1
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Wang Y, Adekolurejo OO, Wang B, McDermott K, Do T, Marshall LJ, Boesch C. Bioavailability and excretion profile of betacyanins - Variability and correlations between different excretion routes. Food Chem 2024; 437:137663. [PMID: 37879158 DOI: 10.1016/j.foodchem.2023.137663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 04/02/2023] [Accepted: 10/03/2023] [Indexed: 10/27/2023]
Abstract
The present study addresses the knowledge gap in betalain bioavailability, transformation and excretion. Analysis of renal and fecal excretion profiles in humans after consumption of beetroot revealed very low bioavailability (renal recovery of 0.13 %) and fast elimination of pigments (renal elimination rate constant of 0.16 h-1), while the majority of betalains underwent severe depletion during GI transit, evidenced by decarboxylation, deglucosidation and dehydrogenation. Betacyanin metabolite levels in human urine were positively associated with those in stools (p < 0.05), indicating significant impact of pigment metabolism in the gut on their bioavailability. In addition, the current study revealed large inter-individual and compositional variabilities of pigment after colonic fermentation compared with systemic metabolism, likely attributed to the increasing complexity of intestinal environment with diverse gut microbiota. To conclude, intestinal uptake and systemic metabolism of betacyanins are intimately associated with their intestinal biotransformation, with gut microbiota serving as a crucial factor.
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Affiliation(s)
- Yunqing Wang
- School of Food Science and Nutrition, Faculty of Environment, University of Leeds, LS2 9JT, United Kingdom
| | - Opeyemi O Adekolurejo
- School of Food Science and Nutrition, Faculty of Environment, University of Leeds, LS2 9JT, United Kingdom; School of Biology, Faculty of Biological Sciences, University of Leeds, LS2 9JT, United Kingdom
| | - Binying Wang
- School of Food Science and Nutrition, Faculty of Environment, University of Leeds, LS2 9JT, United Kingdom
| | - Katie McDermott
- School of Biology, Faculty of Biological Sciences, University of Leeds, LS2 9JT, United Kingdom
| | - Thuy Do
- School of Dentistry, Faculty of Medicine and Health, University of Leeds, LS2 9LU, United Kingdom
| | - Lisa J Marshall
- School of Food Science and Nutrition, Faculty of Environment, University of Leeds, LS2 9JT, United Kingdom
| | - Christine Boesch
- School of Food Science and Nutrition, Faculty of Environment, University of Leeds, LS2 9JT, United Kingdom.
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2
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Parralejo-Sanz S, Quereda-Moraleda I, Requena T, Cano MP. Encapsulation of Indicaxanthin-Rich Opuntia Green Extracts by Double Emulsions for Improved Stability and Bioaccessibility. Foods 2024; 13:1003. [PMID: 38611309 PMCID: PMC11012069 DOI: 10.3390/foods13071003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 03/21/2024] [Accepted: 03/21/2024] [Indexed: 04/14/2024] Open
Abstract
Opuntia ficus-indica var. Colorada fruit is an important source of indicaxanthin, a betalain with antioxidant, anti-inflammatory, and neuromodulatory potential, proven in both in vitro and in vivo models. Other betalains and phenolic compounds with bioactive activities have also been identified in Colorada fruit extracts. These compounds may degrade by their exposure to different environmental factors, so in the present research, two double emulsion systems (W1/O/W2) were elaborated using Tween 20 (TW) and sodium caseinate (SC) as surfactants to encapsulate Colorada fruit pulp extracts, with the aim of enhancing their stability during storage. Encapsulation efficiencies of up to 97.3 ± 2.7%, particle sizes between 236 ± 4 and 3373 ± 64 nm, and zeta potential values of up to ∣46.2∣ ± 0.3 mV were obtained. In addition, the evaluation of the in vitro gastro-intestinal stability and bioaccessibility of the main individual bioactives was carried out by standardized INFOGEST© protocol, obtaining the highest values for the encapsulated extract bioactives in comparison with the non-encapsulated extract (control). Especially, TW double emulsion showed bioaccessibility values of up to 82.8 ± 1.5% for the main bioactives (indicaxanthin, piscidic acid, and isorhamnetin glucoxyl-rhamnosyl-pentoside 2 (IG2)), indicating a promising potential for its use as a functional natural colorant ingredient.
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Affiliation(s)
- Sara Parralejo-Sanz
- Laboratory of Phytochemistry and Plant Food Functionality, Biotechnology and Food Microbiology Department, Institute of Food Science Research (CIAL) (CSIC-UAM), Nicolás Cabrera 9, 28049 Madrid, Spain (I.Q.-M.)
| | - Isabel Quereda-Moraleda
- Laboratory of Phytochemistry and Plant Food Functionality, Biotechnology and Food Microbiology Department, Institute of Food Science Research (CIAL) (CSIC-UAM), Nicolás Cabrera 9, 28049 Madrid, Spain (I.Q.-M.)
| | - Teresa Requena
- Laboratory of Functional Biology of Lactic Bacteria, Biotechnology and Food Microbiology Department, Institute of Food Science Research (CIAL) (CSIC-UAM), Nicolás Cabrera 9, 28049 Madrid, Spain;
| | - M. Pilar Cano
- Laboratory of Phytochemistry and Plant Food Functionality, Biotechnology and Food Microbiology Department, Institute of Food Science Research (CIAL) (CSIC-UAM), Nicolás Cabrera 9, 28049 Madrid, Spain (I.Q.-M.)
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3
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Eseberri I, Gómez-Maqueo A, Trepiana J, Gómez-López I, Proença C, Cano MP, Portillo MP. In Vitro Screening and Lipid-Lowering Effect of Prickly Pear (Opuntia Ficus-Indica L. Mill.) Fruit Extracts in 3T3-L1 Pre-Adipocytes and Mature Adipocytes. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2024; 79:143-150. [PMID: 38206481 PMCID: PMC10891207 DOI: 10.1007/s11130-023-01137-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/24/2023] [Indexed: 01/12/2024]
Abstract
Opuntia ficus-indica fruits have been widely used due to their nutritional composition and beneficial effects on health, particularly against chronic diseases such as diabetes, obesity, cardiovascular diseases and cancer, among others. In recent years, prickly pear peel and pulp extracts have been characterised, and a high number of bioactive compounds have been identified. This study aimed to analyse the triglyceride-lowering effect of prickly pear peel and pulp extracts obtained from fruits of three varieties (Pelota, Sanguinos, and Colorada) in 3T3-L1 maturing and mature adipocytes. At a concentration of 50 µg/mL, peel extracts from Colorada reduced triglyceride accumulation in pre-adipocytes and mature adipocytes. Additionally, at 25 µg/mL, Pelota peel extract decreased triglyceride content in mature adipocytes. Moreover, maturing pre-adipocytes treated with 50 and 25 µg/mL of Sanguinos pulp extract showed a reduction of triglyceride accumulation. In addition, the lipid-lowering effect of the main individual betalain and phenolic compounds standards were assayed. Piscidic acid and isorhamnetin glycoside (IG2), found in Colorada peel extract, were identified as the bioactive compounds that could contribute more notably to the triglyceride-lowering effect of the extract. Thus, the betalain and phenolic-rich extracts from Opuntia ficus indica fruits may serve as an effective tool in obesity management.
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Affiliation(s)
- Itziar Eseberri
- Nutrition and Obesity Group, Department of Nutrition and Food Science, University of the Basque Country (UPV/EHU) and Lucio Lascaray Research Institute, Vitoria, Spain.
- Bioaraba Health Research Institute, Vitoria, Spain.
- CIBERobn Physiopathology of Obesity and Nutrition, Institute of Health Carlos III, Madrid, Spain.
| | - Andrea Gómez-Maqueo
- Department of Biotechnology and Microbiology of Food, Institute of Food Science Research (CIAL, CSIC-UAM), Nicolás Cabrera 9, Madrid, 28049, Spain
| | - Jenifer Trepiana
- Nutrition and Obesity Group, Department of Nutrition and Food Science, University of the Basque Country (UPV/EHU) and Lucio Lascaray Research Institute, Vitoria, Spain
- Bioaraba Health Research Institute, Vitoria, Spain
- CIBERobn Physiopathology of Obesity and Nutrition, Institute of Health Carlos III, Madrid, Spain
| | - Iván Gómez-López
- Nutrition and Obesity Group, Department of Nutrition and Food Science, University of the Basque Country (UPV/EHU) and Lucio Lascaray Research Institute, Vitoria, Spain
- CIBERobn Physiopathology of Obesity and Nutrition, Institute of Health Carlos III, Madrid, Spain
- Department of Biotechnology and Microbiology of Food, Institute of Food Science Research (CIAL, CSIC-UAM), Nicolás Cabrera 9, Madrid, 28049, Spain
| | - Carina Proença
- REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, LAQV, University of Porto, Porto, Portugal
| | - M Pilar Cano
- Department of Biotechnology and Microbiology of Food, Institute of Food Science Research (CIAL, CSIC-UAM), Nicolás Cabrera 9, Madrid, 28049, Spain
| | - Maria P Portillo
- Nutrition and Obesity Group, Department of Nutrition and Food Science, University of the Basque Country (UPV/EHU) and Lucio Lascaray Research Institute, Vitoria, Spain
- Bioaraba Health Research Institute, Vitoria, Spain
- CIBERobn Physiopathology of Obesity and Nutrition, Institute of Health Carlos III, Madrid, Spain
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4
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Ragusa MA, Naselli F, Cruciata I, Volpes S, Schimmenti C, Serio G, Mauro M, Librizzi M, Luparello C, Chiarelli R, La Rosa C, Lauria A, Gentile C, Caradonna F. Indicaxanthin Induces Autophagy in Intestinal Epithelial Cancer Cells by Epigenetic Mechanisms Involving DNA Methylation. Nutrients 2023; 15:3495. [PMID: 37571432 PMCID: PMC10420994 DOI: 10.3390/nu15153495] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 08/02/2023] [Accepted: 08/03/2023] [Indexed: 08/13/2023] Open
Abstract
Autophagy is an evolutionarily conserved process critical in maintaining cellular homeostasis. Recently, the anticancer potential of autophagy inducers, including phytochemicals, was suggested. Indicaxanthin is a betalain pigment found in prickly pear fruit with antiproliferative and pro-apoptotic activities in colorectal cancer cells associated with epigenetic changes in selected methylation-silenced oncosuppressor genes. Here, we demonstrate that indicaxanthin induces the up-regulation of the autophagic markers LC3-II and Beclin1, and increases autophagolysosome production in Caco-2 cells. Methylomic studies showed that the indicaxanthin-induced pro-autophagic activity was associated with epigenetic changes. In addition to acting as a hypermethylating agent at the genomic level, indicaxanthin also induced significant differential methylation in 39 out of 47 autophagy-related genes, particularly those involved in the late stages of autophagy. Furthermore, in silico molecular modelling studies suggested a direct interaction of indicaxanthin with Bcl-2, which, in turn, influenced the function of Beclin1, a key autophagy regulator. External effectors, including food components, may modulate the epigenetic signature of cancer cells. This study demonstrates, for the first time, the pro-autophagic potential of indicaxanthin in human colorectal cancer cells associated with epigenetic changes and contributes to outlining its potential healthy effect in the pathophysiology of the gastrointestinal tract.
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Affiliation(s)
- Maria Antonietta Ragusa
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, 90128 Palermo, Italy; (M.A.R.); (F.N.); (I.C.); (S.V.); (C.S.); (G.S.); (M.L.); (C.L.); (R.C.); (A.L.); (F.C.)
| | - Flores Naselli
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, 90128 Palermo, Italy; (M.A.R.); (F.N.); (I.C.); (S.V.); (C.S.); (G.S.); (M.L.); (C.L.); (R.C.); (A.L.); (F.C.)
| | - Ilenia Cruciata
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, 90128 Palermo, Italy; (M.A.R.); (F.N.); (I.C.); (S.V.); (C.S.); (G.S.); (M.L.); (C.L.); (R.C.); (A.L.); (F.C.)
| | - Sara Volpes
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, 90128 Palermo, Italy; (M.A.R.); (F.N.); (I.C.); (S.V.); (C.S.); (G.S.); (M.L.); (C.L.); (R.C.); (A.L.); (F.C.)
| | - Chiara Schimmenti
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, 90128 Palermo, Italy; (M.A.R.); (F.N.); (I.C.); (S.V.); (C.S.); (G.S.); (M.L.); (C.L.); (R.C.); (A.L.); (F.C.)
| | - Graziella Serio
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, 90128 Palermo, Italy; (M.A.R.); (F.N.); (I.C.); (S.V.); (C.S.); (G.S.); (M.L.); (C.L.); (R.C.); (A.L.); (F.C.)
| | - Maurizio Mauro
- Department of Obstetrics & Gynecology and Women’s Health, Michael F. Price Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA;
| | - Mariangela Librizzi
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, 90128 Palermo, Italy; (M.A.R.); (F.N.); (I.C.); (S.V.); (C.S.); (G.S.); (M.L.); (C.L.); (R.C.); (A.L.); (F.C.)
| | - Claudio Luparello
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, 90128 Palermo, Italy; (M.A.R.); (F.N.); (I.C.); (S.V.); (C.S.); (G.S.); (M.L.); (C.L.); (R.C.); (A.L.); (F.C.)
- NBFC—National Biodiversity Future Center, 90133 Palermo, Italy
| | - Roberto Chiarelli
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, 90128 Palermo, Italy; (M.A.R.); (F.N.); (I.C.); (S.V.); (C.S.); (G.S.); (M.L.); (C.L.); (R.C.); (A.L.); (F.C.)
| | - Chiara La Rosa
- Department of Life Sciences and Systems Biology, Neuroscience Institute Cavalieri Ottolenghi, University of Torino, 10124 Turin, Italy;
| | - Antonino Lauria
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, 90128 Palermo, Italy; (M.A.R.); (F.N.); (I.C.); (S.V.); (C.S.); (G.S.); (M.L.); (C.L.); (R.C.); (A.L.); (F.C.)
| | - Carla Gentile
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, 90128 Palermo, Italy; (M.A.R.); (F.N.); (I.C.); (S.V.); (C.S.); (G.S.); (M.L.); (C.L.); (R.C.); (A.L.); (F.C.)
| | - Fabio Caradonna
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, 90128 Palermo, Italy; (M.A.R.); (F.N.); (I.C.); (S.V.); (C.S.); (G.S.); (M.L.); (C.L.); (R.C.); (A.L.); (F.C.)
- NBFC—National Biodiversity Future Center, 90133 Palermo, Italy
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Thong-Asa W, Puenpha K, Lairaksa T, Saengjinda S. Neuroprotective effects of betanin in mice with cerebral ischemia-reperfusion injury. Exp Anim 2023; 72:336-345. [PMID: 36754417 PMCID: PMC10435356 DOI: 10.1538/expanim.22-0176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 01/30/2023] [Indexed: 02/10/2023] Open
Abstract
Cerebral ischemia reperfusion (IR) injury as found in stroke is a complex and heterogeneous disorder and closely related to disability and death. Today, nutraceuticals and protective therapy to increase neuronal integrity and prevent pathological complication are common. We investigated the neuroprotective effect of betanin against cerebral IR injury in mice. Forty male institute of cancer research (ICR) mice were divided into Sham-veh, IR-veh, IR-Bet50 and IR-Bet100 groups. After 2 weeks of oral administration of normal saline (vehicle; veh) or 50 mg/kg or 100 mg/kg of betanin (Bet), mice were subjected to IR induction using 30-min bilateral common carotid artery occlusion, followed by 24 h of reperfusion. Brain infarction, oxidative status, cortical and hippocampal neurons and white matter pathologies were evaluated. Results showed that IR significantly increases brain infarction, Cornus Ammonis 1 (CA1) hippocampal and corpus callosum (CC) and internal capsule (IC) white matter degeneration (P<0.05). Brain oxidative status revealed significant elevation of malondialdehyde (MDA) together with a significant decrease in catalase (CAT) activity, induced by IR (P<0.05). Pretreatment with betanin 100 mg/kg led to a significant reduction in brain infarction and MDA, CA1 hippocampus, CC and IC white matter degeneration. Betanin also led to a significant increase in CAT activity (P<0.05), with enhancing effect on reduced glutathione levels (GSH, P<0.05). The present study revealed the neuroprotective efficacy of betanin against IR injury in mice's brains, including its inhibition of lipid peroxidation, and boosting of GSH and CAT activity.
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Affiliation(s)
- Wachiryah Thong-Asa
- Animal Toxicology and Physiology Specialty Research Unit (ATPSRU), Physiology Division, Department of Zoology, Faculty of Science, Kasetsart University, 50 Ngam Wong Wan Rd, Lat Yao Chatuchak, Bangkok, Thailand 10900, Bangkok, Thailand
| | - Kanthaporn Puenpha
- Animal Toxicology and Physiology Specialty Research Unit (ATPSRU), Physiology Division, Department of Zoology, Faculty of Science, Kasetsart University, 50 Ngam Wong Wan Rd, Lat Yao Chatuchak, Bangkok, Thailand 10900, Bangkok, Thailand
| | - Thannaporn Lairaksa
- Animal Toxicology and Physiology Specialty Research Unit (ATPSRU), Physiology Division, Department of Zoology, Faculty of Science, Kasetsart University, 50 Ngam Wong Wan Rd, Lat Yao Chatuchak, Bangkok, Thailand 10900, Bangkok, Thailand
| | - Siriwipha Saengjinda
- Animal Toxicology and Physiology Specialty Research Unit (ATPSRU), Physiology Division, Department of Zoology, Faculty of Science, Kasetsart University, 50 Ngam Wong Wan Rd, Lat Yao Chatuchak, Bangkok, Thailand 10900, Bangkok, Thailand
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Anti-Inflammatory, Antioxidant, and Other Health Effects of Dragon Fruit and Potential Delivery Systems for Its Bioactive Compounds. Pharmaceutics 2023; 15:pharmaceutics15010159. [PMID: 36678789 PMCID: PMC9861186 DOI: 10.3390/pharmaceutics15010159] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/28/2022] [Accepted: 12/30/2022] [Indexed: 01/05/2023] Open
Abstract
Dragon fruit (Hylocereus genus) has the potential for the prevention of diseases associated with inflammatory and oxidative processes. We aimed to comprehensively review dragon fruit health effects, economic importance, and possible use in delivery systems. Pubmed, Embase, and Google Scholar were searched, and PRISMA (Preferred Reporting Items for a Systematic Review and Meta-Analysis) guidelines were followed. Studies have shown that pitaya can exert several benefits in conditions such as diabetes, dyslipidemia, metabolic syndrome, cardiovascular diseases, and cancer due to the presence of bioactive compounds that may include vitamins, potassium, betacyanin, p-coumaric acid, vanillic acid, and gallic acid. Moreover, pitaya has the potential to be used in food and nutraceutical products as functional ingredients, natural colorants, ecologically correct and active packaging, edible films, preparation of photoprotective products, and additives. Besides the importance of dragon fruit as a source of bioactive compounds, the bioavailability is low. The development of delivery systems such as gold nanoparticles with these compounds can be an alternative to reach target tissues.
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Attanzio A, Restivo I, Tutone M, Tesoriere L, Allegra M, Livrea MA. Redox Properties, Bioactivity and Health Effects of Indicaxanthin, a Bioavailable Phytochemical from Opuntia ficus indica, L.: A Critical Review of Accumulated Evidence and Perspectives. Antioxidants (Basel) 2022; 11:antiox11122364. [PMID: 36552572 PMCID: PMC9774763 DOI: 10.3390/antiox11122364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/16/2022] [Accepted: 11/23/2022] [Indexed: 12/05/2022] Open
Abstract
Phytochemicals from plant foods are considered essential to human health. Known for their role in the adaptation of plants to their environment, these compounds can induce adaptive responses in cells, many of which are directed at maintaining the redox tone. Indicaxanthin is a long-known betalain pigment found in the genus Opuntia of cactus pear and highly concentrated in the edible fruits of O. ficus indica, L. whose bioactivity has been overlooked until recently. This review summarizes studies conducted so far in vitro and in vivo, most of which have been performed in our laboratory. The chemical and physicochemical characteristics of Indicaxanthin are reflected in the molecule's reducing properties and antioxidant effects and help explain its ability to interact with membranes, modulate redox-regulated cellular pathways, and possibly bind to protein molecules. Measurement of bioavailability in volunteers has been key to exploring its bioactivity; amounts consistent with dietary intake, or plasma concentration after dietary consumption of cactus pear fruit, have been used in experimental setups mimicking physiological or pathophysiological conditions, in cells and in animals, finally suggesting pharmacological potential and relevance of Indicaxanthin as a nutraceutical. In reporting experimental results, this review also aimed to raise questions and seek insights for further basic research and health promotion applications.
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Aispuro-Hernández E, Vergara-Jiménez MJ, Cárdenas-Torres FI, Martínez-Téllez MA, Ontiveros N. Cactaceae plants as sources of active bioavailable phytochemicals. Food Funct 2022; 13:9720-9733. [PMID: 36106964 DOI: 10.1039/d2fo01863b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Arid-land plants from the Cactaceae family are endemic to the Americas and cultivated worldwide. Cactaceous plants and their fruits contain phenolic compounds, betalains, vitamins, carotenoids, minerals, and soluble fiber. Edible cactaceous matrices can be considered functional foods since their consumption may confer health benefits. These plants could be a source of novel bioactive compounds relevant to the area of phytomedicine. However, consumption of high concentrations of active molecules is not necessarily correlated to beneficial physiological effects because phytochemicals must be released from the food matrices under physiological conditions, resist digestion-associated chemical transformations, and remain in their active state in systemic circulation until the target tissues are reached. Notably, although digestion may either increase or decrease the bioactive phytochemicals' activity and stability, non-absorbed compounds may also be relevant for human health. Additionally, food matrices' type and composition and their technological processing operations may influence the compounds' release, stability, and accessibility. Thus, this review provides insights on the feasibility of using Cactaceae plants as sources of functional compounds. It is focused on compounds' bioactivity, bioaccessibility, and overall bioavailability after their metabolic transformation. Also, it addresses the influence of food processing on bioactive compounds. Many Cactaceae species are unexplored, and our understanding of how they confer health benefits is limited. To better understand the physiological relevance, nutraceutical potential, and therapeutic feasibility of cactaceous bioactive phytochemicals, future research should focus on the metabolic stability and safety of these compounds, as well as their assimilation mechanisms (absorption, distribution, and metabolic fate).
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Affiliation(s)
- Emmanuel Aispuro-Hernández
- Facultad de Ciencias de la Nutrición y Gastronomía, Universidad Autónoma de Sinaloa, Culiacán, Sinaloa, 80019, Mexico
| | - Marcela J Vergara-Jiménez
- Facultad de Ciencias de la Nutrición y Gastronomía, Universidad Autónoma de Sinaloa, Culiacán, Sinaloa, 80019, Mexico
| | - Feliznando I Cárdenas-Torres
- Facultad de Ciencias de la Nutrición y Gastronomía, Universidad Autónoma de Sinaloa, Culiacán, Sinaloa, 80019, Mexico
| | | | - Noé Ontiveros
- División de Ciencias e Ingeniería, Departamento de Ciencias Químico-Biológicas y Agropecuarias, Laboratorio de Análisis Clínicos e Investigación (LACIUS, URS), Universidad de Sonora, Navojoa, Sonora, 85880, Mexico.
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9
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Wang Y, Fernando GSN, Sergeeva NN, Vagkidis N, Chechik V, Do T, Marshall LJ, Boesch C. Uptake and Immunomodulatory Properties of Betanin, Vulgaxanthin I and Indicaxanthin towards Caco-2 Intestinal Cells. Antioxidants (Basel) 2022; 11:antiox11081627. [PMID: 36009345 PMCID: PMC9405451 DOI: 10.3390/antiox11081627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 08/14/2022] [Accepted: 08/17/2022] [Indexed: 11/30/2022] Open
Abstract
The present study aimed to compare the absorption and transport patterns of three main betalains, betanin, vulgaxanthin I and indicaxanthin, into intestinal epithelial cells and to assess their distinct molecular effects on inflammatory and redox-related cell signalling in association with their radial scavenging potencies. All three betalains showed anti-inflammatory effects (5–80 μM), reflected by attenuated transcription of pro-inflammatory mediators such as cyclooxygenase-2 and inducible NO-synthase. Concomitant increases in antioxidant enzymes such as heme oxygenase-1 were only observed for betanin. Moreover, betanin uniquely demonstrated a potent dose-dependent radical scavenging activity in EPR and cell-based assays. Results also indicated overall low permeability for the three betalains with Papp of 4.2–8.9 × 10−7 cm s−1. Higher absorption intensities of vulgaxanthin and indicaxanthin may be attributed to smaller molecular sizes and greater lipophilicity. In conclusion, betanin, vulgaxanthin I and indicaxanthin have differentially contributed to lowering inflammatory markers and mitigating oxidative stress, implying the potential to ameliorate inflammatory intestinal disease. Compared with two betaxanthins, the greater efficacy of betanin in scavenging radical and promoting antioxidant response might, to some extent, compensate for its poorer absorption efficiency, as demonstrated by the Caco-2 cell model.
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Affiliation(s)
- Yunqing Wang
- School of Food Science and Nutrition, Faculty of Environment, University of Leeds, Leeds LS2 9JT, UK
| | - Ganwarige Sumali N. Fernando
- School of Food Science and Nutrition, Faculty of Environment, University of Leeds, Leeds LS2 9JT, UK
- School of Chemistry, Faculty of Engineering and Physical Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - Natalia N. Sergeeva
- School of Chemistry, Faculty of Engineering and Physical Sciences, University of Leeds, Leeds LS2 9JT, UK
- School of Design, Faculty of Art, Humanities and Cultures, University of Leeds, Leeds LS2 9JT, UK
| | | | - Victor Chechik
- Department of Chemistry, University of York, York YO10 5DD, UK
| | - Thuy Do
- School of Dentistry, Faculty of Medicine and Health, University of Leeds, Leeds LS2 9LU, UK
| | - Lisa J. Marshall
- School of Food Science and Nutrition, Faculty of Environment, University of Leeds, Leeds LS2 9JT, UK
| | - Christine Boesch
- School of Food Science and Nutrition, Faculty of Environment, University of Leeds, Leeds LS2 9JT, UK
- Correspondence: ; Tel.: +44-1133430268
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Calvi P, Terzo S, Amato A. Betalains: colours for human health. Nat Prod Res 2022; 37:1746-1765. [PMID: 35921318 DOI: 10.1080/14786419.2022.2106481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
In the last years, the use of natural phytochemical compounds as protective agents in the prevention and treatment of obesity and the related-metabolic syndrome has gained much attention worldwide. Different studies have shown health benefits for many vegetables such Opuntia ficus-indica and Beta vulgaris and their pigments collectively referred as betalains. Betalains exert antioxidative, anti-inflammation, lipid lowering, antidiabetic and anti-obesity effects. This review summarizes findings in the literature and highlights the therapeutic potential of betalains and their natural source as valid alternative for supplementation in obesity-related disorders treatment. Further research is needed to establish the mechanisms through which these natural pigments exert their beneficial effects and to translate the promising findings from animal models to humans.
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Affiliation(s)
- Pasquale Calvi
- Department of Biological- Chemical- Pharmaceutical Science and Technology (STEBICEF), University of Palermo- Viale delle Scienze, Palermo, Italy.,Dipartment of Biomedicine, Neuroscience and Advanced Diagnostic (Bi.N.D.), University of Palermo, Palermo, Italy
| | - Simona Terzo
- Department of Biological- Chemical- Pharmaceutical Science and Technology (STEBICEF), University of Palermo- Viale delle Scienze, Palermo, Italy
| | - Antonella Amato
- Department of Biological- Chemical- Pharmaceutical Science and Technology (STEBICEF), University of Palermo- Viale delle Scienze, Palermo, Italy
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11
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Akter S, Addepalli R, Netzel M, Tinggi U, Fletcher M, Sultanbawa Y, Osborne S. In vitro Bioaccessibility and Intestinal Absorption of Selected Bioactive Compounds in Terminalia ferdinandiana. Front Nutr 2022; 8:818195. [PMID: 35155530 PMCID: PMC8828953 DOI: 10.3389/fnut.2021.818195] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 12/16/2021] [Indexed: 12/29/2022] Open
Abstract
Terminalia ferdinandiana (or Kakadu plum), a native Australian fruit with potential health benefits, contains bioactive compounds such as ellagic acid (EA), ascorbic acid (AA) and calcium, and antinutrients such as oxalic acid (OA). However, few is known about the biological fate of these compounds following ingestion; therefore, the aim of this study was to evaluate in vitro bioaccessibility and intestinal absorption of T. ferdinandiana compounds using the INFOGEST static digestion model and Caco-2-HT29-MTX-E12 intestinal absorption model. No significant changes (p > 0.05) were observed in total AA content throughout in vitro digestion, whereas bioaccessibility of EA, OA, and calcium increased significantly from 33, 72, and 67% in the gastric phase to 48, 98, and 90% in the intestinal phase, respectively. The intestinal absorption study revealed variable rates of movement across the cell barrier. Findings reveal novel and important insights for the prediction of in vivo bioavailability of selected T. ferdinandiana compounds.
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Affiliation(s)
- Saleha Akter
- ARC Industrial Transformation Training Centre for Uniquely Australian Foods, Center for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, Indooroopilly, QLD, Australia
| | - Rama Addepalli
- Commonwealth Scientific and Industrial Research Organization, Agriculture and Food, St Lucia, QLD, Australia
| | - Michael Netzel
- Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, Health and Food Sciences Precinct, Coopers Plains, QLD, Australia
| | - Ujang Tinggi
- Queensland Health Forensic and Scientific Services, Coopers Plains, QLD, Australia
| | - Mary Fletcher
- Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, Health and Food Sciences Precinct, Coopers Plains, QLD, Australia
| | - Yasmina Sultanbawa
- ARC Industrial Transformation Training Centre for Uniquely Australian Foods, Center for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, Indooroopilly, QLD, Australia
| | - Simone Osborne
- Commonwealth Scientific and Industrial Research Organization, Agriculture and Food, St Lucia, QLD, Australia
- *Correspondence: Simone Osborne
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12
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R R, Shafreen M, Kumar N. Inhibition of Proliferation in Ovarian Cancer Cell Line (PA-1) by the Action of Green Compound "Betanin". Appl Biochem Biotechnol 2021; 194:71-83. [PMID: 34762269 DOI: 10.1007/s12010-021-03744-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 10/21/2021] [Indexed: 11/26/2022]
Abstract
Ovarian carcinoma has a cure rate of 30% which makes it deadlier than any other disease. There are a number of genetic and epigenetic changes that lead to ovarian carcinoma cell transformation. Chemoprevention of cancer through application of natural compounds is the need of present generation as other methods are rigorous and have many side effects. Betanin, a compound from Beta vulgaris extract is used in present study to check its potential for inhibition of (PA-1) cancer cell proliferation. Determination of IC50 values through MTT assay was carried out, in addition measurement of mitochondrial membrane potential (MMP), effect of reactive oxygen species (ROS) generation, and induction of apoptosis in ovarian cancer cells through betanin was also observed. Results have shown betanin as a potential candidate for inhibition of ovarian cancer cell proliferation and it can be taken up as a serious compound for further studies for its application in cancer cure.
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Affiliation(s)
- Rakshanaa R
- Department of Biotechnology, Periyar Maniammai Institute of Science and Technology, Vallam, Thanjavur, 613403, Tamil Nadu, India
| | - Mohiraa Shafreen
- Department of Biotechnology, Periyar Maniammai Institute of Science and Technology, Vallam, Thanjavur, 613403, Tamil Nadu, India
| | - Nitin Kumar
- Department of Biotechnology, Periyar Maniammai Institute of Science and Technology, Vallam, Thanjavur, 613403, Tamil Nadu, India.
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Smeriglio A, De Francesco C, Denaro M, Trombetta D. Prickly Pear Betalain-Rich Extracts as New Promising Strategy for Intestinal Inflammation: Plant Complex vs. Main Isolated Bioactive Compounds. Front Pharmacol 2021; 12:722398. [PMID: 34594220 PMCID: PMC8476807 DOI: 10.3389/fphar.2021.722398] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 07/30/2021] [Indexed: 12/31/2022] Open
Abstract
Recently, many studies have highlighted the health effects of betalains beyond their use as food dyes. The present study investigated betalain-rich extracts with different colors and their main bioactive compounds in order to provide first evidence as a new promising strategy for intestinal inflammation management. Prickly pear betalain–rich extracts, obtained by a QuEChERS method, have been characterized by LC-DAD-ESI-MS/MS analysis. The potential role of betanin, indicaxanthin, and prickly pear extracts in counteracting the antioxidant and anti-inflammatory events was evaluated by several in vitro cell-free and cell-based assays. Indicaxanthin and betanin represent the most abundant compounds (≥22.27 ± 4.50 and 1.16 ± 0.17 g/100 g dry extract, respectively). Prickly pear extracts showed the strongest antioxidant and anti-inflammatory activities with respect to the pure betalains both on in vitro cell-free and cell-based assays, demonstrating the occurrence of synergistic activity, without any cytotoxicity or alteration of the barrier systems. The release of reactive oxygen species (ROS) and key inflammatory markers (IL-6, IL-8, and NO) was strongly inhibited by both betalains and even more by prickly pear extracts, which showed a similar and sometimes better profile than the reference compounds trolox and dexamethasone in counteracting the IL-1β–induced intestinal inflammation.
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Affiliation(s)
- A Smeriglio
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - C De Francesco
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy.,Foundation Prof. Antonio Imbesi, University of Messina, Messina, Italy
| | - M Denaro
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - D Trombetta
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
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Characterization, Stability, and Bioaccessibility of Betalain and Phenolic Compounds from Opuntia stricta var. Dillenii Fruits and Products of Their Industrialization. Foods 2021; 10:foods10071593. [PMID: 34359463 PMCID: PMC8307708 DOI: 10.3390/foods10071593] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 06/29/2021] [Indexed: 11/17/2022] Open
Abstract
The aim of the present study was the full characterization, quantification, and determination of the digestive stability and bioaccessibility of individual betalain and phenolic compounds of Opuntia stricta, var. Dillenii fresh fruits (peel, pulp, and whole fruit) and of the products of the industrialization to obtain jam (raw pressed juice (product used for jam formulation), by-product (bagasse), and frozen whole fruit (starting material for jam production)). Opuntia stricta var. Dillenii fruits and products profile showed 60 betalain and phenolic compounds that were identified and quantified by HPLC-DAD-ESI/MS and HPLC-DAD-MS/QTOF, being 25 phenolic acids (including isomers and derivatives), 12 flavonoids (including glycosides), 3 ellagic acids (including glycosides and derivative), and 20 betanins (including degradation compounds). In vitro gastrointestinal digestion was performed by INFOGEST® protocol. Fruit pulp showed the greater content of total betalains (444.77 mg/100 g f.w.), and jam only showed very low amounts of two betanin degradation compounds, Cyclo-dopa-5-O-β-glucoside (and its isomer) (0.63 mg/100 f.w.), and two Phyllocactin derivatives (1.04 mg/100 g f.w.). Meanwhile, fruit peel was the richer tissue in total phenolic acids (273.42 mg/100 g f.w.), mainly in piscidic acid content and total flavonoids (7.39 mg/100 g f.w.), isorhamnetin glucoxyl-rhamnosyl-pentoside (IG2) being the most abundant of these compounds. The stability of betalains and phenolic compounds during in vitro gastrointestinal digestion is reported in the present study. In Opuntia stricta var. Dillenii pulp (the edible fraction of the fresh fruit), the betanin bioaccessibility was only 22.9%, and the flavonoid bioaccessibility ranged from 53.7% to 30.6%, depending on the compound. In non-edible samples, such as peel sample (PE), the betanin bioaccessibility was 42.5% and the greater bioaccessibility in flavonoids was observed for quercetin glycoside (QG1) 53.7%, the fruit peel being the most interesting material to obtain antioxidant extracts, attending to its composition on antioxidant compounds and their bioaccessibilities.
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Gao Y, Liang X, Tian Z, Ma Y, Sun C. Betalain exerts cardioprotective and anti-inflammatory effects against the experimental model of heart failure. Hum Exp Toxicol 2021; 40:S16-S28. [PMID: 34189972 DOI: 10.1177/09603271211027933] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Betalain is a natural plant pigment known to elicit various biological activities. However, studies on the protective effect of betalain against heart failure have not reported yet. The experimental model of heart failure was created in Wistar rats using isoproterenol (ISO). The animals were randomly assigned into four groups such as sham-control, ISO-induced heart failure, betalain pretreated before ISO induction (50 mg/kg/day), and betalain drug control group were maintained for 6 weeks. At the end of the experimental period, anti-oxidant enzymes, inflammatory markers, matrix proteins, cardiac-specific markers, and micro RNAs were elucidated using RT-PCR, and ELISA analysis. The results demonstrated that the rats induced with ISO displayed an abnormality in cardiac functions, increased oxidative stress markers (p < 0.01), inflammatory cytokines (p < 0.01) while abrogated the expression of miR-18a, and increased miR-199a. While betalain pre-treated rats prevented the cardiac failure significantly (p < 0.01) with improved anti-oxidant enzymes, abrogated the inflammatory signals with restored matrix proteins, cardiac biomarker genes, and attenuated miR-423 and miR-27 compared to heart failure rats. The results of the study suggest that the betalain treatment protected the hearts from failing via microRNA mediated activation the anti-inflammatory signaling and restoring the matrix protein modulation.
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Affiliation(s)
- Y Gao
- Department of Cardiovascular Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - X Liang
- Department of Cardiovascular Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Z Tian
- Frontier Institute of Science and Technology (FIST), Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Y Ma
- Frontier Institute of Science and Technology (FIST), Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - C Sun
- Department of Cardiovascular Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
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Milton-Laskibar I, Martínez JA, Portillo MP. Current Knowledge on Beetroot Bioactive Compounds: Role of Nitrate and Betalains in Health and Disease. Foods 2021; 10:foods10061314. [PMID: 34200431 PMCID: PMC8229785 DOI: 10.3390/foods10061314] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/04/2021] [Accepted: 06/05/2021] [Indexed: 12/22/2022] Open
Abstract
An increase in the prevalence of noncommunicable chronic diseases has been occurring in recent decades. Among the deaths resulting from these conditions, cardiovascular diseases (CVD) stand out as the main contributors. In this regard, dietary patterns featuring a high content of vegetables and fruits, such as the Mediterranean and the DASH diets, are considered beneficial, and thus have been extensively studied. This has resulted in growing interest in vegetable-derived ingredients and food-supplements that may have potential therapeutic properties. Among these supplements, beetroot juice, which is obtained from the root vegetable Beta vulgaris, has gained much attention. Although a significant part of the interest in beetroot juice is due to its nitrate (NO3-) content, which has demonstrated bioactivity in the cardiovascular system, other ingredients with potential beneficial properties such as polyphenols, pigments and organic acids are also present. In this context, the aim of this review article is to analyze the current knowledge regarding the benefits related to the consumption of beetroot and derived food-supplements. Therefore, this article focuses on nitrate and betalains, which are considered to be the major bioactive compounds present in beetroot, and thus in the derived dietary supplements.
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Affiliation(s)
- Iñaki Milton-Laskibar
- Precision Nutrition and Cardiometabolic Health Program, IMDEA—Food Institute (Madrid Institute for Advanced Studies), Campus of International Excellence (CEI) UAM + CSIC, Spanish National Research Council, 28049 Madrid, Spain;
- CIBERobn Physiopathology of Obesity and Nutrition, Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain;
- Correspondence: ; Tel.: +34-917278100
| | - J. Alfredo Martínez
- Precision Nutrition and Cardiometabolic Health Program, IMDEA—Food Institute (Madrid Institute for Advanced Studies), Campus of International Excellence (CEI) UAM + CSIC, Spanish National Research Council, 28049 Madrid, Spain;
- CIBERobn Physiopathology of Obesity and Nutrition, Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain;
| | - María P. Portillo
- CIBERobn Physiopathology of Obesity and Nutrition, Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain;
- Nutrition and Obesity Group, Department of Nutrition and Food Science, Faculty of Pharmacy and Lucio Lascaray Research Centre, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain
- BIOARABA Health Research Institute, 01006 Vitoria-Gasteiz, Spain
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17
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Sadowska-Bartosz I, Bartosz G. Biological Properties and Applications of Betalains. Molecules 2021; 26:2520. [PMID: 33925891 PMCID: PMC8123435 DOI: 10.3390/molecules26092520] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 04/20/2021] [Accepted: 04/22/2021] [Indexed: 11/16/2022] Open
Abstract
Betalains are water-soluble pigments present in vacuoles of plants of the order Caryophyllales and in mushrooms of the genera Amanita, Hygrocybe and Hygrophorus. Betalamic acid is a constituent of all betalains. The type of betalamic acid substituent determines the class of betalains. The betacyanins (reddish to violet) contain a cyclo-3,4-dihydroxyphenylalanine (cyclo-DOPA) residue while the betaxanthins (yellow to orange) contain different amino acid or amine residues. The most common betacyanin is betanin (Beetroot Red), present in red beets Beta vulgaris, which is a glucoside of betanidin. The structure of this comprehensive review is as follows: Occurrence of Betalains; Structure of Betalains; Spectroscopic and Fluorescent Properties; Stability; Antioxidant Activity; Bioavailability, Health Benefits; Betalains as Food Colorants; Food Safety of Betalains; Other Applications of Betalains; and Environmental Role and Fate of Betalains.
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Affiliation(s)
- Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 4 Zelwerowicza Street, 35-601 Rzeszów, Poland
| | - Grzegorz Bartosz
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 4 Zelwerowicza Street, 35-601 Rzeszów, Poland;
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18
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de Haan P, Santbergen MJC, van der Zande M, Bouwmeester H, Nielen MWF, Verpoorte E. A versatile, compartmentalised gut-on-a-chip system for pharmacological and toxicological analyses. Sci Rep 2021; 11:4920. [PMID: 33649376 PMCID: PMC7921645 DOI: 10.1038/s41598-021-84187-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 02/05/2021] [Indexed: 02/08/2023] Open
Abstract
A novel, integrated, in vitro gastrointestinal (GI) system is presented to study oral bioavailability parameters of small molecules. Three compartments were combined into one hyphenated, flow-through set-up. In the first compartment, a compound was exposed dynamically to enzymatic digestion in three consecutive microreactors, mimicking the processes of the mouth, stomach, and intestine. The resulting solution (chyme) continued to the second compartment, a flow-through barrier model of the intestinal epithelium allowing absorption of the compound and metabolites thereof. The composition of the effluents from the barrier model were analysed either offline by electrospray-ionisation-mass spectrometry (ESI-MS), or online in the final compartment using chip-based ESI-MS. Two model drugs, omeprazole and verapamil, were used to test the integrated model. Omeprazole was shown to be broken down upon treatment with gastric acid, but reached the cell barrier unharmed when introduced to the system in a manner emulating an enteric-coated formulation. In contrast, verapamil was unaffected by digestion. Finally, a reduced uptake of verapamil was observed when verapamil was introduced to the system dissolved in apple juice, a simple food matrix. It is envisaged that this integrated, compartmentalised GI system has potential for enabling future research in the fields of pharmacology, toxicology, and nutrition.
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Affiliation(s)
- Pim de Haan
- Pharmaceutical Analysis, Groningen Research Institute of Pharmacy, University of Groningen, P.O. Box 196, XB20, 9700 AD, Groningen, The Netherlands
- TI-COAST, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Milou J C Santbergen
- TI-COAST, Science Park 904, 1098 XH, Amsterdam, The Netherlands
- Laboratory of Organic Chemistry, Wageningen University, Stippeneng 4, 6708 WE, Wageningen, The Netherlands
| | - Meike van der Zande
- Wageningen Food Safety Research, Wageningen University & Research, P.O. Box 230, 6700 AE, Wageningen, The Netherlands
| | - Hans Bouwmeester
- Division of Toxicology, Wageningen University, Stippeneng 4, 6708 WE, Wageningen, The Netherlands
| | - Michel W F Nielen
- Laboratory of Organic Chemistry, Wageningen University, Stippeneng 4, 6708 WE, Wageningen, The Netherlands
- Wageningen Food Safety Research, Wageningen University & Research, P.O. Box 230, 6700 AE, Wageningen, The Netherlands
| | - Elisabeth Verpoorte
- Pharmaceutical Analysis, Groningen Research Institute of Pharmacy, University of Groningen, P.O. Box 196, XB20, 9700 AD, Groningen, The Netherlands.
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Tang XY, Wang ZM, Meng HC, Lin JW, Guo XM, Zhang T, Chen HL, Lei CY, Yu SJ. Robust W/O/W Emulsion Stabilized by Genipin-Cross-Linked Sugar Beet Pectin-Bovine Serum Albumin Nanoparticles: Co-encapsulation of Betanin and Curcumin. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:1318-1328. [PMID: 33480679 DOI: 10.1021/acs.jafc.0c05212] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Betanin and curcumin hold promise as natural colorants and antioxidants for food purposes due to their anti-hypertensive, anti-inflammation, and anti-tumor effects. However, the thermal stability and bioavailability of betanin and curcumin still need improvement. Here, we fabricated sugar beet pectin-bovine serum albumin nanoparticles (SBNPs) with a mean particle size of 180 ± 5.2 nm through a genipin cross-linking strategy to stabilize a type of Pickering water-in-oil-in-water (W/O/W) emulsion and co-encapsulated betanin and curcumin. First, the W1/O emulsion was homogenized with gelatin (the gelling agent) in the water phase and polyglycerol polyricinoleate (a lipophilic surfactant) in the oil phase. Later, W1/O was homogenized with another water phase containing SBNPs. The microstructure of the emulsion was regulated by the particle concentration (c) and W1/O volume fraction (Φ), especially the gel-like high internal phase emulsions were formed at the Φ up to 70%. In this case, betanin was encapsulated in the internal water phase (encapsulation efficiency = 65.3%), whereas curcumin was in the medium-chain triglyceride (encapsulation efficiency = 84.1%). Meanwhile, the shelf stability of betanin and curcumin was improved. Furthermore, the stability of bioactive compounds was potentiated by an emulsion gel in simulated gastrointestinal digestion, resulting in higher bioaccessibility. The aforementioned results suggest that SBNP-stabilized Pickering W/O/W emulsions could be a potential alternative to co-encapsulate betanin and curcumin with enhancement of shelf stability and bioaccessibility.
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Affiliation(s)
- Xiang-Yi Tang
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Zhi-Ming Wang
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
- Sericultural & Agri-Food Research Institute Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs/Guangdong Key Laboratory of Agricultural Products Processing, Guangzhou 510610, China
| | - He-Cheng Meng
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou 510640, China
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety Guangzhou, Guangzhou 510640, China
| | - Jia-Wei Lin
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Xiao-Ming Guo
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Tao Zhang
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Hua-Lei Chen
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Cai-Yu Lei
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Shu-Juan Yu
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou 510640, China
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety Guangzhou, Guangzhou 510640, China
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Food (Matrix) Effects on Bioaccessibility and Intestinal Permeability of Major Olive Antioxidants. Foods 2020; 9:foods9121831. [PMID: 33317079 PMCID: PMC7764665 DOI: 10.3390/foods9121831] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 12/04/2020] [Accepted: 12/08/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND olive pomace extract (OPE) is a rich source of health promoting polyphenols (hydroxytyrosol (HTS) and tyrosol (TS)) and can be used as a nutraceutical ingredient of dietary supplements and functional foods. Its adequate bioavailability is a prerequisite for excreting biological activity and can be significantly and specifically affected by different food matrices. METHODS in order to investigate food effects on polyphenol bioaccessibility, OPE was co-digested with different foods according to internationally harmonized in vitro digestibility method. Impact of particular nutrients on HTS and TS permeability was assessed on Caco-2 cell monolayer. RESULTS HTS and TS bioaccessibility and transepithelial permeability can be significantly affected by foods (nutrients), especially by casein and certain types of dietary fiber. Those effects are polyphenol-and nutrient-specific and are achieved either through complexation in gastrointestinal lumen and/or through direct effects of nutrients on intestinal monolayer. CONCLUSIONS obtained results emphasize the significance and complexity of polyphenol interactions within the food matrix and the necessity of individual investigational approaches with respect to particular food/nutrient and interacting phenolic compounds.
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Fu Y, Shi J, Xie SY, Zhang TY, Soladoye OP, Aluko RE. Red Beetroot Betalains: Perspectives on Extraction, Processing, and Potential Health Benefits. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:11595-11611. [PMID: 33040529 DOI: 10.1021/acs.jafc.0c04241] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
In recent years, red beetroot has received a growing interest due to its abundant source of bioactive compounds, particularly betalains. Red beetroot betalains have great potential as a functional food ingredient employed in the food and medical industry due to their diverse health-promoting effects. Betalains from red beetroot are natural pigments, which mainly include either yellow-orange betaxanthins or red-violet betacyanins. However, betalains are quite sensitive toward heat, pH, light, and oxygen, which leads to the poor stability during processing and storage. Therefore, it is necessary to comprehend the impacts of the processing approaches on betalains. In this review, the effective extraction and processing methods of betalains from red beetroot were emphatically reviewed. Furthermore, a variety of recently reported bioactivities of beetroot betalains were also summarized. The present work can provide a comprehensive review on both conventional and innovative extraction techniques, processing methods, and the stability of betalains.
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Affiliation(s)
- Yu Fu
- College of Food Science, Southwest University, Chongqing 400715, China
- China-Canada Joint Lab of Food Nutrition and Health, Beijing Technology & Business University, Beijing 100048, China
| | - Jia Shi
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Si-Yi Xie
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Ting-Yi Zhang
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Olugbenga P Soladoye
- Food Processing Development Centre, Ministry of Agriculture and Forestry, Government of Alberta, Leduc, Alberta T9E 7C5, Canada
| | - Rotimi E Aluko
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada
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dos S. Baião D, da Silva DVT, Paschoalin VMF. Beetroot, a Remarkable Vegetable: Its Nitrate and Phytochemical Contents Can be Adjusted in Novel Formulations to Benefit Health and Support Cardiovascular Disease Therapies. Antioxidants (Basel) 2020; 9:antiox9100960. [PMID: 33049969 PMCID: PMC7600128 DOI: 10.3390/antiox9100960] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 10/01/2020] [Accepted: 10/02/2020] [Indexed: 02/06/2023] Open
Abstract
The cardioprotective effects of dietary nitrate from beetroot in healthy and hypertensive individuals are undeniable and irrefutable. Nitrate and nitrate-derived nitrite are precursors for nitric oxide synthesis exhibiting an effect on cardiomyocytes and myocardial ischemia/reperfusion, improving endothelial function, reducing arterial stiffness and stimulating smooth muscle relaxation, decreasing systolic and diastolic blood pressures. Beetroot phytochemicals like betanin, saponins, polyphenols, and organic acids can resist simulated gastrointestinal digestion, raising the hypothesis that the cardioprotective effects of beetroots result from the combination of nitrate/nitrite and bioactive compounds that limit the generation of reactive oxygen species and modulate gene expression. Nitrate and phytochemical concentrations can be adjusted in beet formulations to fulfill requirements for acute or long-term supplementations, enhancing patient adherence to beet intervention. Based on in vitro, in vivo, and clinical trials, beet nitrate and its bioactive phytochemicals are promising as a novel supportive therapy to ameliorate cardiovascular diseases.
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Silva DVTD, Baião DDS, Ferreira VF, Paschoalin VMF. Betanin as a multipath oxidative stress and inflammation modulator: a beetroot pigment with protective effects on cardiovascular disease pathogenesis. Crit Rev Food Sci Nutr 2020; 62:539-554. [PMID: 32997545 DOI: 10.1080/10408398.2020.1822277] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Oxidative stress is a common physiopathological condition enrolled in risk factors for cardiovascular diseases. Individuals in such a redox imbalance status present endothelial dysfunctions and inflammation, reaching the onset of heart disease. Phytochemicals are able to attenuate the main mechanisms of oxidative stress and inflammation and should be considered as supportive therapies to manage risk factors for cardiovascular diseases. Beetroot (Beta vulgaris L.) is a rich source of bioactive compounds, including betanin (betanidin-5-O-β-glucoside), a pigment displaying the potential to alleviate oxidative stress and inflammantion, as previously demonstrated in preclinical trials. Betanin resists gastrointestinal digestion, is absorbed by the epithelial cells of intestinal mucosa and reaches the plasma in its active form. Betanin displays free-radical scavenger ability through hydrogen or electron donation, preserving lipid structures and LDL particles while inducing the transcription of antioxidant genes through the nuclear factor erythroid-2-related factor 2 and, simultaneously, suppressing the pro-inflammatory nuclear factor kappa-B pathways. This review discusses the anti-radical and gene regulatory cardioprotective activities of betanin in the pathophysiology of endothelial damage and atherogenesis, the main conditions for cardiovascular disease. In addition, betanin influences on these multipath cellular signals and aiding in reducing cardiovascular disorders is proposed.
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Affiliation(s)
| | - Diego Dos Santos Baião
- Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
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Madadi E, Mazloum-Ravasan S, Yu JS, Ha JW, Hamishehkar H, Kim KH. Therapeutic Application of Betalains: A Review. PLANTS 2020; 9:plants9091219. [PMID: 32957510 PMCID: PMC7569795 DOI: 10.3390/plants9091219] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/08/2020] [Accepted: 09/11/2020] [Indexed: 12/15/2022]
Abstract
Anthocyanins, betalains, riboflavin, carotenoids, chlorophylls and caramel are the basic natural food colorants used in modern food manufacture. Betalains, which are composed of red–violet betacyanin and yellow betaxanthins, are water-soluble pigments that color flowers and fruits. Betalains are pigments primarily produced by plants of the order Caryophyllales. Because of their anti-inflammatory, cognitive impairment, anticancer and anti-hepatitis properties, betalains are useful as pharmaceutical agents and dietary supplements. Betalains also exhibit antimicrobial and antimalarial effects, and as an example, betalain-rich Amaranthus spinosus displays prominent antimalarial activity. Studies also confirmed the antidiabetic effect of betalains, which reduced glycemia by 40% without causing weight loss or liver impairment. These findings show that betalain colorants may be a promising alternative to the synthetic dyes currently used as food additives.
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Affiliation(s)
- Elaheh Madadi
- Biotechnology Research Center and Student’s Research Committee, Tabriz University of Medical Sciences, Tabriz 51368, Iran;
| | - Sahand Mazloum-Ravasan
- Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz 51368, Iran;
| | - Jae Sik Yu
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea; (J.S.Y.); (J.W.H.)
| | - Ji Won Ha
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea; (J.S.Y.); (J.W.H.)
| | - Hamed Hamishehkar
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz 51368, Iran
- Correspondence: (H.H.); (K.H.K.); Tel.: +98-41-3336-3277 (H.H.); +82-31-290-7700 (K.H.K.)
| | - Ki Hyun Kim
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea; (J.S.Y.); (J.W.H.)
- Correspondence: (H.H.); (K.H.K.); Tel.: +98-41-3336-3277 (H.H.); +82-31-290-7700 (K.H.K.)
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Iftikhar M, Iftikhar A, Zhang H, Gong L, Wang J. Transport, metabolism and remedial potential of functional food extracts (FFEs) in Caco-2 cells monolayer: A review. Food Res Int 2020; 136:109240. [PMID: 32846508 DOI: 10.1016/j.foodres.2020.109240] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 03/28/2020] [Accepted: 04/11/2020] [Indexed: 02/07/2023]
Abstract
Caco-2, a human intestinal carcinoma cell line, has been used to test the absorption and transport mechanism of functional foods and drugs across the intestinal epithelium in order to study their antioxidant, anticancer and anti-inflammatory activities. Caco-2 cells represent the morphological and functional characteristics of small intestinal cells and capable of expressing brush borders, tight junctions, intestinal efflux and uptake transporters which regulate permeation of drugs and functional food extracts from intestinal lumen to systemic circulation. The integrity of the Caco-2 monolayer is controlled by establishing the TEER between 200 and 1000 O per cm2. FFEs affect intestinal permeability by adjusting the tight junction proteins between the cells in order to maintain the epithelial barrier function. Because of the side effects of medicines, there is an increased interest in functional food extracts (FFEs) as drug substitutes. Functional foods undergo intricate transport processes and biotransformation after oral administration. Metabolism and transport studies of FFEs in Caco-2 cells are very important for determining their bioavailability. Functional foods and their constituents produce anti-proliferative and anti-cancer effects through apoptosis, cell cycle arrest and inhibition of various signal transduction pathways across Caco-2 cell lines. The current review has summarized the anti-inflammation, anticancer, antioxidant and cholesterol lowering potential of FFEs using Caco-2 cells through reducing local inflammatory signals, production of ROS and lipid accumulation. The transport, bioavailability, metabolism, mechanisms of actions, cellular pathways adopted by FFEs across Caco-2 cell lines are predominantly affected by their molecular weight, structures and physicochemical properties. These studies are beneficial for investigating the different mechanisms of action of FFEs in the human body.
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Affiliation(s)
- Maryam Iftikhar
- Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, China-Canada Joint Lab of Food Nutrition and Health, Beijing Technology & Business University, Beijing 100048, China
| | - Asra Iftikhar
- Department of Pharmacy, Faculty of Pharmaceutical Sciences, The University of Faisalabad (TUF), Faisalabad 38000, Pakistan
| | - Huijuan Zhang
- Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, China-Canada Joint Lab of Food Nutrition and Health, Beijing Technology & Business University, Beijing 100048, China.
| | - Lingxiao Gong
- Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, China-Canada Joint Lab of Food Nutrition and Health, Beijing Technology & Business University, Beijing 100048, China
| | - Jing Wang
- Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, China-Canada Joint Lab of Food Nutrition and Health, Beijing Technology & Business University, Beijing 100048, China.
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26
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Gómez-Maqueo A, Antunes-Ricardo M, Welti-Chanes J, Cano MP. Digestive Stability and Bioaccessibility of Antioxidants in Prickly Pear Fruits from the Canary Islands: Healthy Foods and Ingredients. Antioxidants (Basel) 2020; 9:E164. [PMID: 32079367 PMCID: PMC7070381 DOI: 10.3390/antiox9020164] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 02/07/2020] [Accepted: 02/10/2020] [Indexed: 12/18/2022] Open
Abstract
Although prickly pear fruits have become an important part of the Canary diet, their native varieties are yet to be characterized in terms of betalains and phenolic compounds. To exert potential health benefits, these antioxidants must be released from the food matrix and be stable in the gastrointestinal tract. Our aim was to characterize the betalain and phenolic profile of four prickly pear varieties from the Canary Islands (Spain) and determine their digestive stability and bioaccessibility via in vitro gastrointestinal digestion. Digestive studies were performed considering the (i) importance of the edible fraction (pulps) and (ii) potential of fruit peels as by-products to obtain healthy ingredients. Betalains and phenolic profiles were analyzed by HPLC-DAD-ESI/MS and HPLC-DAD-MS/QTOF. Pulps in Colorada and Fresa varieties presented high indicaxanthin and betanin content, respectively. Despite low pH in the gastric phase, betalains were stable to reach the intestinal phase, although indicaxanthin presented a higher bioaccessibility. Blanco Buenavista peels contained a distinct flavonoid profile including a new isorhamnetin-hexosyl-rhamnoside. Phenolic compounds were abundant and highly bioaccessible in fruit peels. These findings suggest that prickly pear pulps are rich in bioaccessible betalains; and that their peels could be proposed as potential by-products to obtain sustainable healthy ingredients.
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Affiliation(s)
- Andrea Gómez-Maqueo
- Laboratory of Phytochemistry and Plant Food Functionality, Biotechnology and Food Microbiology Department, Institute of Food Science Research (CIAL) (CSIC-UAM), Nicolás Cabrera 9, 28049 Madrid, Spain;
- Tecnologico de Monterrey, Centro de Biotecnología FEMSA, Escuela de Ingeniería y Ciencias, Eugenio Garza Sada 2501, 64700 Monterrey NL, Mexico; (M.A.-R.); (J.W.-C.)
| | - Marilena Antunes-Ricardo
- Tecnologico de Monterrey, Centro de Biotecnología FEMSA, Escuela de Ingeniería y Ciencias, Eugenio Garza Sada 2501, 64700 Monterrey NL, Mexico; (M.A.-R.); (J.W.-C.)
| | - Jorge Welti-Chanes
- Tecnologico de Monterrey, Centro de Biotecnología FEMSA, Escuela de Ingeniería y Ciencias, Eugenio Garza Sada 2501, 64700 Monterrey NL, Mexico; (M.A.-R.); (J.W.-C.)
| | - M. Pilar Cano
- Laboratory of Phytochemistry and Plant Food Functionality, Biotechnology and Food Microbiology Department, Institute of Food Science Research (CIAL) (CSIC-UAM), Nicolás Cabrera 9, 28049 Madrid, Spain;
- Tecnologico de Monterrey, Centro de Biotecnología FEMSA, Escuela de Ingeniería y Ciencias, Eugenio Garza Sada 2501, 64700 Monterrey NL, Mexico; (M.A.-R.); (J.W.-C.)
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27
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Sawicki T, Topolska J, Bączek N, Szawara-Nowak D, Juśkiewicz J, Wiczkowski W. Characterization of the profile and concentration of betacyanin in the gastric content, blood and urine of rats after an intragastric administration of fermented red beet juice. Food Chem 2020; 313:126169. [PMID: 31945698 DOI: 10.1016/j.foodchem.2020.126169] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 12/30/2019] [Accepted: 01/05/2020] [Indexed: 01/25/2023]
Abstract
The aim of the study was to evaluate the profile and level of betacyanins in the gastric content, blood (portal and main veins) and urine of rats after an intragastric administration of fermented red beet juice with various betacyanin doses. Samples were collected within 2 h after juice administration into the stomachs, separated from the digestive tract of a living rat. In the gastric content, betacyanins administered underwent intensive degradation and changes in their profile, as a result of the conditions prevailing in the stomach and the intensity of the absorption process. Detection of 19 betacyanins (8 native compounds and 11 metabolites) in rats' physiological fluids with the HPLC-MS/MS method proves betacyanin absorption from the stomach. In addition, the study results suggest that betacyanin dose affects the rate and extent of betacyanin degradation in the gastric content, as well as the intensity of absorption, metabolism and excretion of these pigments.
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Affiliation(s)
- Tomasz Sawicki
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences in Olsztyn, Tuwima 10 Str., Olsztyn 10-748, Poland.
| | - Joanna Topolska
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences in Olsztyn, Tuwima 10 Str., Olsztyn 10-748, Poland.
| | - Natalia Bączek
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences in Olsztyn, Tuwima 10 Str., Olsztyn 10-748, Poland.
| | - Dorota Szawara-Nowak
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences in Olsztyn, Tuwima 10 Str., Olsztyn 10-748, Poland.
| | - Jerzy Juśkiewicz
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences in Olsztyn, Tuwima 10 Str., Olsztyn 10-748, Poland.
| | - Wieslaw Wiczkowski
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences in Olsztyn, Tuwima 10 Str., Olsztyn 10-748, Poland.
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28
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Mannino G, Caradonna F, Cruciata I, Lauria A, Perrone A, Gentile C. Melatonin reduces inflammatory response in human intestinal epithelial cells stimulated by interleukin-1β. J Pineal Res 2019; 67:e12598. [PMID: 31349378 DOI: 10.1111/jpi.12598] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 06/24/2019] [Accepted: 07/16/2019] [Indexed: 12/21/2022]
Abstract
Melatonin is the main secretory product of the pineal gland, and it is involved in the regulation of periodic events. A melatonin production independent of the photoperiod is typical of the gut. However, the local physiological role of melatonin at the intestinal tract is poorly characterized. In this study, we evaluated the anti-inflammatory activities of melatonin in an in vitro model of inflamed intestinal epithelium. To this purpose, we assessed different parameters usually associated with intestinal inflammation using IL-1β-stimulated Caco-2 cells. Differentiated monolayers of Caco-2 cells were preincubated with melatonin (1 nmol/L-50 μmol/L) and then exposed to IL-1β. After each treatment, different inflammatory mediators, DNA-breakage, and global DNA methylation status were assayed. To evaluate the involvement of melatonin membrane receptors, we also exposed differentiated monolayers to melatonin in the presence of luzindole, a MT1 and MT2 antagonist. Our results showed that melatonin, at concentrations similar to those obtained in the lumen gut after ingestion of dietary supplements for the treatment of sleep disorders, was able to attenuate the inflammatory response induced by IL-1β. Anti-inflammatory effects were expressed as both a decrease of the levels of inflammatory mediators, including IL-6, IL-8, COX-2, and NO, and a reduced increase in paracellular permeability. Moreover, the protection was associated with a reduced NF-κB activation and a prevention of DNA demethylation. Conversely, luzindole did not reverse the melatonin inhibition of stimulated-IL-6 release. In conclusion, our findings suggest that melatonin, through a local action, can modulate inflammatory processes at the intestinal level, offering new opportunities for a multimodal management of IBD.
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Affiliation(s)
- Giuseppe Mannino
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Palermo, Italy
| | - Fabio Caradonna
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Palermo, Italy
| | - Ilenia Cruciata
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Palermo, Italy
| | - Antonino Lauria
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Palermo, Italy
| | - Anna Perrone
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Palermo, Italy
| | - Carla Gentile
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Palermo, Italy
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29
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Choo KY, Ong YY, Lim RLH, Tan CP, Ho CW. Study on bioaccessibility of betacyanins from red dragon fruit ( Hylocereus polyrhizus). Food Sci Biotechnol 2019; 28:1163-1169. [PMID: 31275716 PMCID: PMC6595088 DOI: 10.1007/s10068-018-00550-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 12/20/2018] [Accepted: 12/28/2018] [Indexed: 11/25/2022] Open
Abstract
Betacyanins are bioactive dietary phytochemicals which can be found in red dragon fruit (RDF). Therefore, the bioaccessibility of betacyanins that present in fermented red dragon fruit drink (RDFD) and pressed red dragon fruit juice (RDFJ) was accessed in simulated gastric and intestinal digestion. Results disclosed that betacyanins from RDFD and RDFJ suffered minor loss (< 25%) at gastric-like environment but greater loss was observed during the intestinal phase digestion. After subjected to intestinal digestion, RDFD retained 46.42% of betanin while RDFJ retained 43.76%, with betanin concentration of 17.12 mM and 12.37 mM, respectively. Findings also revealed that RDFD exhibited higher antioxidant capacity compared to RDFJ after subjected to intestinal digestion, with values of 0.88 mM Trolox equivalent antioxidant capacity (TEAC) and 0.85 mM TEAC, respectively. The data suggests that betacyanins that present in RDF are bioaccessible while fermentation able to enhance the bioavailability with more betacyanins retained after intestinal digestion.
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Affiliation(s)
- Kah Yee Choo
- Department of Food Science and Nutrition, Faculty of Applied Sciences, UCSI University, No. 1, Jalan Menara Gading, UCSI Heights, 56000 Cheras, Kuala Lumpur, Malaysia
| | - Yien Yien Ong
- Department of Bioscience and Sport Science, Faculty of Applied Sciences and Computing, University College Tunku Abdul Rahman, Jalan Genting Kelang, 53300 Setapak, Kuala Lumpur, Malaysia
| | - Renee Lay Hong Lim
- Department of Food Science and Nutrition, Faculty of Applied Sciences, UCSI University, No. 1, Jalan Menara Gading, UCSI Heights, 56000 Cheras, Kuala Lumpur, Malaysia
| | - Chin Ping Tan
- Department of Food Technology, Faculty of Food Science Technology, Universiti Putra Malaysia (UPM), 43400 Serdang, Selangor Malaysia
| | - Chun Wai Ho
- Department of Food Science and Nutrition, Faculty of Applied Sciences, UCSI University, No. 1, Jalan Menara Gading, UCSI Heights, 56000 Cheras, Kuala Lumpur, Malaysia
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Indicaxanthin, a multi-target natural compound from Opuntia ficus-indica fruit: From its poly-pharmacological effects to biochemical mechanisms and molecular modelling studies. Eur J Med Chem 2019; 179:753-764. [PMID: 31284085 DOI: 10.1016/j.ejmech.2019.07.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 07/01/2019] [Accepted: 07/02/2019] [Indexed: 12/14/2022]
Abstract
Over the latest years phytochemical consumption has been associated to a decreased risk of both the onset and the development of a number of pathological conditions. In this context indicaxanthin, a betalain pigment from Opuntia ficus-indica fruit, has been the object of sound research. Explored, at first, for its mere antioxidant potential, Indicaxanthin is now regarded as a redox-active compound able to exert significant poly-pharmacological effects against several targets in a number of experimental conditions both in vivo and in vitro. This paper aims to provide an overview on the therapeutical effects of indicaxanthin, ranging from the anti-inflammatory to the neuro-modulatory and anti-tumoral ones and favored by its high bioavailability. Moreover, biochemical and molecular modelling investigations are aimed to identify the pharmacological targets the compound is able to interact with and to address the challenging development in the future research.
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31
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Indicaxanthin from Opuntia ficus indica (L. Mill) Inhibits Oxidized LDL-Mediated Human Endothelial Cell Dysfunction through Inhibition of NF- κB Activation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:3457846. [PMID: 30911345 PMCID: PMC6398026 DOI: 10.1155/2019/3457846] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 12/12/2018] [Indexed: 01/20/2023]
Abstract
Oxidized low-density lipoproteins (oxLDL) play a pivotal role in the etiopathogenesis of atherosclerosis through the activation of inflammatory signaling events eventually leading to endothelial dysfunction and senescence. In the present work, we investigated the effects of indicaxanthin, a bioavailable, redox-modulating phytochemical from Opuntia ficus indica fruits, with anti-inflammatory activity, against oxLDL-induced endothelial dysfunction. Human umbilical vein cord cells (HUVEC) were stimulated with human oxLDL, and the effects of indicaxanthin were evaluated in a range between 5 and 20 μM, consistent with its plasma level after a fruit meal (7 μM). Pretreatment with indicaxanthin significantly and concentration-dependently inhibited oxLDL-induced cytotoxicity; ICAM-1, VCAM-1, and ELAM-1 increase; and ABC-A1 decrease of both protein and mRNA levels. From a mechanistic perspective, we also provided evidence that the protective effects of indicaxanthin were redox-dependent and related to the pigment efficacy to inhibit NF-κB transcriptional activity. In conclusion, here we demonstrate indicaxanthin as a novel, dietary phytochemical, able to exert significant protective vascular effects in vitro, at nutritionally relevant concentrations.
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Cocovi-Solberg DJ, Rosende M, Michalec M, Miró M. 3D Printing: The Second Dawn of Lab-On-Valve Fluidic Platforms for Automatic (Bio)Chemical Assays. Anal Chem 2018; 91:1140-1149. [DOI: 10.1021/acs.analchem.8b04900] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- David J. Cocovi-Solberg
- FI-TRACE group, Department of Chemistry, University of the Balearic Islands, E-07122 Palma de Mallorca, Illes Balears Spain
| | - María Rosende
- FI-TRACE group, Department of Chemistry, University of the Balearic Islands, E-07122 Palma de Mallorca, Illes Balears Spain
| | - Michał Michalec
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
- MISMaP College, University of Warsaw, Banacha 2C, 02-097 Warsaw, Poland
| | - Manuel Miró
- FI-TRACE group, Department of Chemistry, University of the Balearic Islands, E-07122 Palma de Mallorca, Illes Balears Spain
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33
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Rahimi P, Abedimanesh S, Mesbah-Namin SA, Ostadrahimi A. Betalains, the nature-inspired pigments, in health and diseases. Crit Rev Food Sci Nutr 2018; 59:2949-2978. [DOI: 10.1080/10408398.2018.1479830] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Parisa Rahimi
- Clinical Biochemistry Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Saeed Abedimanesh
- Clinical Biochemistry Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | | | - Alireza Ostadrahimi
- Nutrition Research Center, Nutritional Science Department, Faculty of Health and Nutrition, Tabriz University of Medical Science, Tabriz, Iran
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34
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Allegra M, De Cicco P, Ercolano G, Attanzio A, Busà R, Cirino G, Tesoriere L, Livrea MA, Ianaro A. Indicaxanthin from Opuntia Ficus Indica (L. Mill) impairs melanoma cell proliferation, invasiveness, and tumor progression. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2018; 50:19-24. [PMID: 30466978 DOI: 10.1016/j.phymed.2018.09.171] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 07/13/2018] [Accepted: 09/17/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND A strong, reciprocal crosstalk between inflammation and melanoma has rigorously been demonstrated in recent years, showing how crucial is a pro-inflammatory microenvironment to drive therapy resistance and metastasis. PURPOSE We investigated on the effects of Indicaxanthin, a novel, anti-inflammatory and bioavailable phytochemical from Opuntia Ficus Indica fruits, against human melanoma both in vitro and in vivo. STUDY DESIGN AND METHODS The effects of indicaxanthin were evaluated against the proliferation of A375 human melanoma cell line and in a mice model of cutaneous melanoma. Cell proliferation was assessed by MTT assay, apoptosis by Annexin V-Fluorescein Isothiocyanate/Propidium Iodide staining, protein expression by western blotting, melanoma lesions were subcutaneously injected in mice with B16/F10 cells, chemokine release was quantified by ELISA. RESULTS Data herein presented demonstrate that indicaxanthin effectively inhibits the proliferation of the highly metastatic and invasive A375 cells as shown by growth inhibition, apoptosis induction and cell invasiveness reduction. More interestingly, in vitro data were paralleled by those in vivo showing that indicaxanthin significantly reduced tumor development when orally administered to mice. The results of our study also clarify the molecular mechanisms underlying the antiproliferative effect of indicaxanthin, individuating the inhibition of NF-κB pathway as predominant. CONCLUSION In conclusion, we demonstrated that indicaxanthin represents a novel phytochemical able to significantly inhibit human melanoma cell proliferation in vitro and to impair tumor progression in vivo. When considering the resistance of melanoma to the current therapeutical approach and the very limited number of phytochemicals able to partially counteract it, our findings may be of interest to explore indicaxanthin potential in further and more complex melanoma studies in combo therapy, i.e. where different check points of melanoma development are targeted.
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Key Words
- Apoptosis
- Bcl-2, B cell lymphoma gene-2 (Bcl-2)
- CXCL1, chemokine (C-X-C motif) ligand 1
- Indicaxanthin
- Inflammation
- List of Abbrevations: AxV-FITC, annexin V-fluorescein isothiocyanate
- MTT, 3-[4,5-dimethyltiazol-2-yl]-2,5-diphenyl tetrazolium bromide
- Melanoma
- NF-κB, nuclear factor kappa B
- NHEM, normal human epidermal melanocytes
- Opuntia Ficus Indica (L.Mill)
- PI, propidium iodide PI
- PhC, phytochemicals
- Phytochemical
- c-FLIP, FLICE-inhibitory protein
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Affiliation(s)
- Mario Allegra
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, Università di Palermo, Via Archirafi 28, 90123 Palermo, Italy
| | - Paola De Cicco
- Dipartimento di Farmacia, Scuola di Medicina, Università di Napoli Federico II, Via Montesano 49, 80131 Napoli, Italy
| | - Giuseppe Ercolano
- Dipartimento di Farmacia, Scuola di Medicina, Università di Napoli Federico II, Via Montesano 49, 80131 Napoli, Italy
| | - Alessandro Attanzio
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, Università di Palermo, Via Archirafi 28, 90123 Palermo, Italy
| | - Rosalia Busà
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, Università di Palermo, Via Archirafi 28, 90123 Palermo, Italy
| | - Giuseppe Cirino
- Dipartimento di Farmacia, Scuola di Medicina, Università di Napoli Federico II, Via Montesano 49, 80131 Napoli, Italy
| | - Luisa Tesoriere
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, Università di Palermo, Via Archirafi 28, 90123 Palermo, Italy
| | - Maria A Livrea
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, Università di Palermo, Via Archirafi 28, 90123 Palermo, Italy
| | - Angela Ianaro
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, Università di Palermo, Via Archirafi 28, 90123 Palermo, Italy.
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Tutone M, Virzì A, Almerico AM. Reverse screening on indicaxanthin from Opuntia ficus-indica as natural chemoactive and chemopreventive agent. J Theor Biol 2018; 455:147-160. [DOI: 10.1016/j.jtbi.2018.07.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 05/28/2018] [Accepted: 07/16/2018] [Indexed: 11/16/2022]
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Mumford PW, Kephart WC, Romero MA, Haun CT, Mobley CB, Osburn SC, Healy JC, Moore AN, Pascoe DD, Ruffin WC, Beck DT, Martin JS, Roberts MD, Young KC. Effect of 1-week betalain-rich beetroot concentrate supplementation on cycling performance and select physiological parameters. Eur J Appl Physiol 2018; 118:2465-2476. [DOI: 10.1007/s00421-018-3973-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Accepted: 08/24/2018] [Indexed: 12/16/2022]
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Attanzio A, Tesoriere L, Vasto S, Pintaudi AM, Livrea MA, Allegra M. Short-term cactus pear [ Opuntia ficus-indica (L.) Mill] fruit supplementation ameliorates the inflammatory profile and is associated with improved antioxidant status among healthy humans. Food Nutr Res 2018; 62:1262. [PMID: 30150921 PMCID: PMC6104507 DOI: 10.29219/fnr.v62.1262] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 06/27/2018] [Accepted: 06/28/2018] [Indexed: 12/13/2022] Open
Abstract
Background Dietary ingredients and food components are major modifiable factors protecting immune system and preventing the progression of a low-grade chronic inflammation responsible for age-related diseases. Objective Our study explored whether cactus pear (Opuntia ficus-indica, Surfarina cultivar) fruit supplementation modulates plasma inflammatory biomarkers in healthy adults. Correlations between inflammatory parameters and antioxidant status were also assessed in parallel. Design In a randomised, 2-period (2 weeks/period), crossover, controlled-feeding study, conducted in 28 healthy volunteers [mean age 39.96 (±9.15) years, BMI 23.1 (±1.5) kg/m2], the effects of a diet supplemented with cactus pear fruit pulp (200 g, twice a day) were compared with those of an equivalent diet with isocaloric fresh fruit substitution. Results With respect to control, cactus pear diet decreased ( p < 0.05) the pro-inflammatory markers such as tumour necrosis factor-α (TNF-α), interleukin (IL)-1β, interferon-γ (INF)-γ, IL-8, C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR), whereas it increased ( p < 0.05) the anti-inflammatory marker IL-10. Moreover, the diet decreased ratios between pro-inflammatory biomarkers (CRP, IL-6, IL-8, TNF-α) and anti-inflammatory biomarker (IL-10) ( p < 0.05). Cactus pear supplementation caused an increase ( p < 0.05) in dermal carotenoids (skin carotenoid score, SCS), a biomarker of the body antioxidant status, with correlations between SCS and CRP (r = −0.905, p < 0.0001), IL-8 (r = −0.835, p < 0.0001) and IL-10 (r = 0.889, p < 0.0001). Conclusions The presently observed modulation of both inflammatory markers and antioxidant balance suggests cactus pear fruit as a novel and beneficial component to be incorporated into current healthy dietary habits.
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Affiliation(s)
- Alessandro Attanzio
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, Università degli Studi di Palermo, Palermo, Italy
| | - Luisa Tesoriere
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, Università degli Studi di Palermo, Palermo, Italy
| | - Sonya Vasto
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, Università degli Studi di Palermo, Palermo, Italy
| | - Anna Maria Pintaudi
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, Università degli Studi di Palermo, Palermo, Italy
| | - Maria A Livrea
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, Università degli Studi di Palermo, Palermo, Italy
| | - Mario Allegra
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, Università degli Studi di Palermo, Palermo, Italy
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Scarpa ES, Emanuelli M, Frati A, Pozzi V, Antonini E, Diamantini G, Di Ruscio G, Sartini D, Armeni T, Palma F, Ninfali P. Betacyanins enhance vitexin-2-O-xyloside mediated inhibition of proliferation of T24 bladder cancer cells. Food Funct 2018; 7:4772-4780. [PMID: 27812566 DOI: 10.1039/c6fo01130f] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Betacyanins (BC) were purified from beetroot (Beta vulgaris var. rubra L.) and tested, alone or in combination with vitexin-2-O-xyloside (XVX) from Beta vulgaris var. cicla L., for their ability to reduce the proliferation rate in T24 bladder cancer cells. Combination of BC and XVX exhibited a synergistic effect concerning the inhibition of proliferation in T24 cancer cells at 24 and 48 h but not after 72 h of incubation. The induction of apoptosis was evidenced by means of fluorescence activated cell sorting (FACS) analysis, as well as through the increase in caspase 3 and 8 activities. Using RTqPCR experiments, it was shown that the combination of XVX + BC was able to enhance the expression levels of pro-apoptotic BAX and downregulate anti-apoptotic BIRC5 (survivin), as well as pro-survival CTNNB1 (β-catenin). The most evident effect of BC was the increase of the activity of caspase 8, leading to induction of extrinsic apoptosis. Moreover, XVX, BC and their combination showed no cytotoxic effect on normal human skin NCTC 2544 keratinocytes. These results demonstrated the efficacy and the mechanisms of the action of BC and XVX, extracted from edible plants, and suggested that a diet or a nutrition supplement, enriched with these bioactive molecules, could be used in the prevention of human bladder cancer.
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Affiliation(s)
- E S Scarpa
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy.
| | - M Emanuelli
- Department of Clinical Sciences, Polytechnic University of Marche, Ancona, Italy and New York-Marche Structural Biology Center (NY-MaSBiC), Polytechnic University of Marche, Ancona, Italy
| | - A Frati
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy.
| | - V Pozzi
- Department of Clinical Sciences, Polytechnic University of Marche, Ancona, Italy and New York-Marche Structural Biology Center (NY-MaSBiC), Polytechnic University of Marche, Ancona, Italy
| | - E Antonini
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy.
| | - G Diamantini
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy.
| | - G Di Ruscio
- Department of Clinical Sciences, Polytechnic University of Marche, Ancona, Italy
| | - D Sartini
- Department of Clinical Sciences, Polytechnic University of Marche, Ancona, Italy
| | - T Armeni
- Department of Clinical Sciences, Polytechnic University of Marche, Ancona, Italy
| | - F Palma
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy.
| | - P Ninfali
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy.
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Verón HE, Di Risio HD, Isla MI, Torres S. Isolation and selection of potential probiotic lactic acid bacteria from Opuntia ficus-indica fruits that grow in Northwest Argentina. Lebensm Wiss Technol 2017. [DOI: 10.1016/j.lwt.2017.05.058] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Ninfali P, Antonini E, Frati A, Scarpa ES. C-Glycosyl Flavonoids from Beta vulgaris Cicla and Betalains from Beta vulgaris rubra: Antioxidant, Anticancer and Antiinflammatory Activities-A Review. Phytother Res 2017; 31:871-884. [PMID: 28464411 DOI: 10.1002/ptr.5819] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 03/28/2017] [Accepted: 03/29/2017] [Indexed: 11/07/2022]
Abstract
The green beet (Beta vulgaris var. cicla L.) and red beetroot (B. vulgaris var. rubra L.) contain phytochemicals that have beneficial effects on human health. Specifically, the green beet contains apigenin, vitexin, vitexin-2-O-xyloside and vitexin-2-O-rhamnoside, while the red beetroot is a source of betaxanthins and betacyanins. These phytochemicals show considerable antioxidant activity, as well as antiinflammatory and antiproliferative activities. Vitexin-2-O-xyloside, in combination with betaxanthins and betacyanins, exerts antiproliferative activity in breast, liver, colon and bladder cancer cell lines, through the induction of both intrinsic and extrinsic apoptotic pathways. A significant body of evidence also points to the role of these phytochemicals in the downregulation of the pro-survival genes, baculoviral inhibitor of apoptosis repeat-containing 5 and catenin beta-1, as well as the genes controlling angiogenesis, hypoxia inducible factor 1A and vascular endothelial growth factor A. The multi-target action of these phytochemicals enhances their anticancer activity. Vitexin-2-O-xyloside, betaxanthins and betacyanins can be used in combination with conventional anticancer drugs to reduce their toxicity and overcome the multidrug resistance of cancer cells. In this review, we describe the molecular mechanisms that enable these dietary phytochemicals to block the proliferation of tumor cells and inhibit their pro-survival pathways. Copyright © 2017 John Wiley & Sons, Ltd.
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Affiliation(s)
- Paolino Ninfali
- Department of Biomolecular Sciences, University of Urbino 'Carlo Bo', via Saffi, 2, 61029, Urbino, PU, Italy
| | - Elena Antonini
- Department of Biomolecular Sciences, University of Urbino 'Carlo Bo', via Saffi, 2, 61029, Urbino, PU, Italy
| | - Alessandra Frati
- Department of Biomolecular Sciences, University of Urbino 'Carlo Bo', via Saffi, 2, 61029, Urbino, PU, Italy
| | - Emanuele-Salvatore Scarpa
- Department of Biomolecular Sciences, University of Urbino 'Carlo Bo', via Saffi, 2, 61029, Urbino, PU, Italy
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Farabegoli F, Scarpa E, Frati A, Serafini G, Papi A, Spisni E, Antonini E, Benedetti S, Ninfali P. Betalains increase vitexin-2-O-xyloside cytotoxicity in CaCo-2 cancer cells. Food Chem 2017; 218:356-364. [DOI: 10.1016/j.foodchem.2016.09.112] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2015] [Revised: 03/16/2016] [Accepted: 09/16/2016] [Indexed: 01/30/2023]
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Takahashi A, Okumura J, Morita Y, Chiji H. Intestinal Absorption and Antioxidant Activity of Betalain: A Nitrogen-containing Pigment from Table Beets and Cactus Pear Fruit Juice. J JPN SOC FOOD SCI 2017. [DOI: 10.3136/nskkk.64.51] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Azusa Takahashi
- Department of Health and Nutrition Faculty of Human Life Studies, University of Niigata prefecture
| | - Junko Okumura
- Japan Frozen Foods Inspection Corporation Sapporo Office
| | | | - Hideyuki Chiji
- Sapporo Anti-Aging Laboratory Co., Ltd
- Fuji Women’s University QOL Institute
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Nestora S, Merlier F, Prost E, Haupt K, Rossi C, Tse Sum Bui B. Solid-phase extraction of betanin and isobetanin from beetroot extracts using a dipicolinic acid molecularly imprinted polymer. J Chromatogr A 2016; 1465:47-54. [DOI: 10.1016/j.chroma.2016.08.069] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2016] [Revised: 08/27/2016] [Accepted: 08/29/2016] [Indexed: 12/18/2022]
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Celli GB, Brooks MSL. Impact of extraction and processing conditions on betalains and comparison of properties with anthocyanins - A current review. Food Res Int 2016; 100:501-509. [PMID: 28964374 DOI: 10.1016/j.foodres.2016.08.034] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 08/23/2016] [Accepted: 08/25/2016] [Indexed: 12/27/2022]
Abstract
The search for natural pigments has been driven by growing evidence indicating that synthetic colorants can cause deleterious health effects. Betalains, in addition to anthocyanins, have been proposed as an alternative to address this need. However, the incorporation of natural pigments poses some challenges to the food industry, such as reduced stability in comparison to their synthetic counterparts. Moreover, betalains are not well studied in comparison to anthocyanins and information about the effects of processing on their physicochemical properties and stability is scattered. Thus, this review will provide an overview of the recent research on the extraction and processing of betalains from natural sources, and comparison of their colorant and physicochemical properties with anthocyanins.
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Affiliation(s)
- Giovana Bonat Celli
- Department of Process Engineering and Applied Science, Dalhousie University, PO Box 15000, Halifax, NS B3H 4R2, Canada
| | - Marianne Su-Ling Brooks
- Department of Process Engineering and Applied Science, Dalhousie University, PO Box 15000, Halifax, NS B3H 4R2, Canada.
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The plasma bioavailability of nitrate and betanin from Beta vulgaris rubra in humans. Eur J Nutr 2016; 56:1245-1254. [PMID: 26873098 PMCID: PMC5346430 DOI: 10.1007/s00394-016-1173-5] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Accepted: 02/02/2016] [Indexed: 02/05/2023]
Abstract
Purpose To evaluate the plasma bioavailability of betanin and nitric oxide (NOx) after consuming beetroot juice (BTJ) and whole beetroot (BF). BTJ and BF were also analysed for antioxidant capacity, polyphenol content (TPC) and betalain content. Methods Ten healthy males consumed either 250 ml of BTJ, 300 g of BF or a placebo drink, in a randomised, crossover design. Venous plasma samples were collected pre (baseline), 1, 2, 3, 5 and 8 h post-ingestion. Betanin content in BTJ, BF and plasma was analysed with reverse-phase high-performance liquid chromatography (HPLC) and mass spectrometry detection (LCMS). Antioxidant capacity was estimated using the Trolox equivalent antioxidant capacity (TEAC) and polyphenol content using Folin–Ciocalteu colorimetric methods [gallic acid equivalents (GAE)] and betalain content spectrophotometrically. Results TEAC was 11.4 ± 0.2 mmol/L for BTJ and 3.4 ± 0.4 μmol/g for BF. Both BTJ and BF contained a number of polyphenols (1606.9 ± 151 mg/GAE/L and 1.67 ± 0.1 mg/GAE/g, respectively), betacyanins (68.2 ± 0.4 mg/betanin equivalents/L and 19.6 ± 0.6 mg/betanin equivalents/100 g, respectively) and betaxanthins (41.7 ± 0.7 mg/indicaxanthin equivalents/L and 7.5 ± 0.2 mg/indicaxanthin equivalents/100 g, respectively). Despite high betanin contents in both BTJ (~194 mg) and BF (~66 mg), betanin could not be detected in the plasma at any time point post-ingestion. Plasma NOx was elevated above baseline for 8 h after consuming BTJ and 5 h after BF (P < 0.05). Conclusions These data reveal that BTJ and BF are rich in phytonutrients and may provide a useful means of increasing plasma NOx bioavailability. However, betanin, the major betalain in beetroot, showed poor bioavailability in plasma.
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Khan MI. Plant Betalains: Safety, Antioxidant Activity, Clinical Efficacy, and Bioavailability. Compr Rev Food Sci Food Saf 2015; 15:316-330. [PMID: 33371594 DOI: 10.1111/1541-4337.12185] [Citation(s) in RCA: 119] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Revised: 11/23/2015] [Accepted: 11/25/2015] [Indexed: 12/25/2022]
Abstract
Betalains are accepted food additives derived from vacuoles of plants belonging to about 17 families in the order Caryophyllales. These pigments are composed of a nitrogenous core structure, betalamic acid [4-(2-oxoethylidene)-1,2,3,4-tetrahydropyridine-2,6-dicarboxylic acid]. Betalamic acid condenses with imino compounds (cyclo-DOPA and/or its glucosyl derivatives) or amines and/or their derivatives to form violet betacyanins (for example, betanin) and yellow betaxanthins (for example, indicaxanthin), respectively. Till date, structures of 75 betalains have been elucidated from plants under the order Caryophyllales. The extracted betalains are safe to consume and they act as micronutrients in the body. In vitro studies to highlight radical-scavenging activity, cell culture studies to assess cytotoxicity and absorption of betalains, and proven clinical efficacies are compiled in this review. The literature on biological activity has not been analyzed for a synthesis of safety, clinical efficacy, and bioavailability to arrive at the concentrations required for the purported health benefits. Most betalains are under-utilized in pharmaceutical and cosmetic preparations due to poor stability and lack of scientific reports highlighting their superior tinctorial strength including flourescence, water solubility, and functional value alongside their bioavailability. This is the first comprehensive review on the dietary safety, biological activity and bioavailability of betalains. Based on this review, for future debate and input from health professionals, a human daily intake of betanin and indicaxanthin can be proposed at 100 and 50 mg, respectively.
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Nowacki L, Vigneron P, Rotellini L, Cazzola H, Merlier F, Prost E, Ralanairina R, Gadonna JP, Rossi C, Vayssade M. Betanin-Enriched Red Beetroot (Beta vulgaris L.) Extract Induces Apoptosis and Autophagic Cell Death in MCF-7 Cells. Phytother Res 2015; 29:1964-73. [PMID: 26463240 DOI: 10.1002/ptr.5491] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Revised: 07/27/2015] [Accepted: 09/21/2015] [Indexed: 01/01/2023]
Abstract
Recent studies have pointed out the preventive role of beetroot extracts against cancers and their cytotoxic activity on cancer cells. Among many different natural compounds, these extracts contained betanin and its stereoisomer isobetanin, which belongs to the betalain group of highly bioavailable antioxidants. However, a precise identification of the molecules responsible for this tumor-inhibitory effect was still required. We isolated a betanin/isobetanin concentrate from fresh beetroots, corresponding to the highest purified betanin extract used for studying anticancer activities of these molecules. The cytotoxicity of this betanin-enriched extract was then characterized on cancer and normal cells and we highlighted the death signalling pathways involved. Betanin/isobetanin concentrate significantly decreased cancer cell proliferation and viability. Particularly in MCF-7-treated cells, the expressions of apoptosis-related proteins (Bad, TRAILR4, FAS, p53) were strongly increased and the mitochondrial membrane potential was altered, demonstrating the involvement of both intrinsic and extrinsic apoptotic pathways. Autophagosome vesicles in MCF-7-treated cells were observed, also suggesting autophagic cell death upon betanin/isobetanin treatment. Importantly, the betanin-enriched extract had no obvious effect towards normal cell lines. Our data bring new insight to consider the betanin/isobetanin mix as therapeutic anticancer compound, alone or in combination with classical chemotherapeutic drugs, especially in functional p53 tumors.
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Affiliation(s)
- Laëtitia Nowacki
- Sorbonne Universités, Université de Technologie de Compiègne, CNRS, Unité Génie Enzymatique et Cellulaire, Centre de Recherche Royallieu, CS 60319, Compiègne cedex, 60203, France.,Sorbonne Universités, Université de Technologie de Compiègne, CNRS, UMR 7338 Biomécanique et Bioingénierie, Centre de Recherche Royallieu, CS 60319, Compiègne cedex, 60203, France
| | - Pascale Vigneron
- Sorbonne Universités, Université de Technologie de Compiègne, CNRS, UMR 7338 Biomécanique et Bioingénierie, Centre de Recherche Royallieu, CS 60319, Compiègne cedex, 60203, France
| | - Laura Rotellini
- Sorbonne Universités, Université de Technologie de Compiègne, CNRS, UMR 7338 Biomécanique et Bioingénierie, Centre de Recherche Royallieu, CS 60319, Compiègne cedex, 60203, France
| | - Hélène Cazzola
- Sorbonne Universités, Université de Technologie de Compiègne, CNRS, Unité Génie Enzymatique et Cellulaire, Centre de Recherche Royallieu, CS 60319, Compiègne cedex, 60203, France
| | - Franck Merlier
- Sorbonne Universités, Université de Technologie de Compiègne, CNRS, Unité Génie Enzymatique et Cellulaire, Centre de Recherche Royallieu, CS 60319, Compiègne cedex, 60203, France
| | - Elise Prost
- Sorbonne Universités, Université de Technologie de Compiègne, CNRS, Unité Génie Enzymatique et Cellulaire, Centre de Recherche Royallieu, CS 60319, Compiègne cedex, 60203, France
| | - Robert Ralanairina
- Institut Polytechnique LaSalle Beauvais, Département STAI, rue Pierre Waguet, BP 30313, Beauvais, 60026, France
| | - Jean-Pierre Gadonna
- Institut Polytechnique LaSalle Beauvais, Département STAI, rue Pierre Waguet, BP 30313, Beauvais, 60026, France
| | - Claire Rossi
- Sorbonne Universités, Université de Technologie de Compiègne, CNRS, Unité Génie Enzymatique et Cellulaire, Centre de Recherche Royallieu, CS 60319, Compiègne cedex, 60203, France
| | - Muriel Vayssade
- Sorbonne Universités, Université de Technologie de Compiègne, CNRS, UMR 7338 Biomécanique et Bioingénierie, Centre de Recherche Royallieu, CS 60319, Compiègne cedex, 60203, France
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Allegra M, Carletti F, Gambino G, Tutone M, Attanzio A, Tesoriere L, Ferraro G, Sardo P, Almerico AM, Livrea MA. Indicaxanthin from Opuntia ficus-indica Crosses the Blood-Brain Barrier and Modulates Neuronal Bioelectric Activity in Rat Hippocampus at Dietary-Consistent Amounts. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:7353-7360. [PMID: 26227670 DOI: 10.1021/acs.jafc.5b02612] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Indicaxanthin is a bioactive and bioavailable betalain pigment from the Opuntia ficus-indica fruits. In this in vivo study, kinetic measurements showed that indicaxanthin is revealed in the rat brain within 1 h from oral administration of 2 μmol/kg, an amount compatible with a dietary consumption of cactus pear fruits in humans. A peak (20 ± 2.4 ng of indicaxanthin per whole brain) was measured after 2.5 h; thereafter the molecule disappeared with first order kinetics within 4 h. The potential of indicaxanthin to affect neural activities was in vivo investigated by a microiontophoretic approach. Indicaxanthin, administered in a range between 0.085 ng and 0.34 ng per neuron, dose-dependently modulated the rate of discharge of spontaneously active neurons of the hippocampus, with reduction of the discharge and related changes of latency and duration of the effect. Indicaxanthin (0.34 ng/neuron) showed inhibitory effects on glutamate-induced excitation, indicating activity at the level of glutamatergic synapses. A molecular target of indicaxanthin is suggested by in silico molecular modeling of indicaxanthin with N-methyl-D-aspartate receptor (NMDAR), the most represented of the glutamate receptor family in hippocampus. Therefore, at nutritionally compatible amounts indicaxanthin (i) crosses the rat BBB and accumulates in brain; (ii) can affect the bioelectric activity of hippocampal neurons locally treated with amounts comparable with those measured in the brain; and (iii) modulates glutamate-induced neuronal excitation. The potential of dietary indicaxanthin as a natural neuromodulatory agent deserves further mechanistic and neurophysiologic investigation.
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Affiliation(s)
- Mario Allegra
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, University of Palermo , Via M. Cipolla 74, 90121 Palermo, Italy
| | - Fabio Carletti
- Dipartimento di Biomedicina Sperimentale e Neuroscienze Cliniche, Sezione di Fisiologia Umana "G. Pagano", University of Palermo , Corso Tukory 129, 90134 Palermo, Italy
| | - Giuditta Gambino
- Dipartimento di Biomedicina Sperimentale e Neuroscienze Cliniche, Sezione di Fisiologia Umana "G. Pagano", University of Palermo , Corso Tukory 129, 90134 Palermo, Italy
| | - Marco Tutone
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, University of Palermo , Via M. Cipolla 74, 90121 Palermo, Italy
| | - Alessandro Attanzio
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, University of Palermo , Via M. Cipolla 74, 90121 Palermo, Italy
| | - Luisa Tesoriere
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, University of Palermo , Via M. Cipolla 74, 90121 Palermo, Italy
| | - Giuseppe Ferraro
- Dipartimento di Biomedicina Sperimentale e Neuroscienze Cliniche, Sezione di Fisiologia Umana "G. Pagano", University of Palermo , Corso Tukory 129, 90134 Palermo, Italy
| | - Pierangelo Sardo
- Dipartimento di Biomedicina Sperimentale e Neuroscienze Cliniche, Sezione di Fisiologia Umana "G. Pagano", University of Palermo , Corso Tukory 129, 90134 Palermo, Italy
| | - Anna Maria Almerico
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, University of Palermo , Via M. Cipolla 74, 90121 Palermo, Italy
| | - Maria Antonia Livrea
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche, University of Palermo , Via M. Cipolla 74, 90121 Palermo, Italy
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Theoretical Determination of the pK
a Values of Betalamic Acid Related to the Free Radical Scavenger Capacity: Comparison Between Empirical and Quantum Chemical Methods. Interdiscip Sci 2015; 8:177-185. [DOI: 10.1007/s12539-015-0101-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Revised: 04/28/2015] [Accepted: 04/29/2015] [Indexed: 10/23/2022]
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Dietary indicaxanthin from cactus pear (Opuntia ficus-indicaL. Mill) fruit prevents eryptosis induced by oxysterols in a hypercholesterolaemia-relevant proportion and adhesion of human erythrocytes to endothelial cell layers. Br J Nutr 2015; 114:368-75. [DOI: 10.1017/s0007114515002111] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Toxic oxysterols in a hypercholesterolaemia-relevant proportion cause suicidal death of human erythrocytes or eryptosis. This process proceeds through early production of reactive oxygen species (ROS), release of prostaglandin (PGE2) and opening of PGE2-dependent Ca channels, membrane phosphatidylserine (PS) externalisation, and cell shrinkage. The present study was the first to reveal that a bioavailable phytochemical, indicaxanthin (Ind) from cactus pear fruit, in a concentration range (1·0–5·0 μM) consistent with its plasma level after a fruit meal, prevents PS externalisation and cell shrinkage in a dose-dependent manner when incubated with isolated healthy human erythrocytes exposed to an oxysterol mixture for 48 h. Dietary Ind inhibited ROS production, glutathione (GSH) depletion, PGE2 release and Ca2+entry. Ind alone did not modify the erythrocyte redox environment or affect other parameters.Ex vivospiking of normal human blood with the oxysterol mixture for 48 h induced eryptosis, resulting in the production of ROS and decreased levels of GSH, which was prevented by concurrent exposure to 5 μm-Ind. The adherence of eryptotic erythrocytes to the endothelium causes vascular tissue injury. Erythrocytes isolated from blood incubated with the oxysterol mixture plus 5 μm-Ind did not adhere to endothelial cell monolayers. Eryptotic erythrocytes may contribute to thrombotic complications in hypercholesterolaemia. Our findings suggest the positive effects of diets containing Ind on erythrocytes in hypercholesterolaemic subjects.
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