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Chileh-Chelh T, López-Ruiz R, García-Cervantes AM, Rodríguez-García I, Rincón-Cervera MA, Ezzaitouni M, Guil-Guerrero JL. Cytotoxicity and Chemotaxonomic Significance of Saponins from Wild and Cultured Asparagus Shoots. Molecules 2024; 29:3367. [PMID: 39064945 PMCID: PMC11279782 DOI: 10.3390/molecules29143367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Revised: 07/14/2024] [Accepted: 07/16/2024] [Indexed: 07/28/2024] Open
Abstract
The shoots of Asparagus L. are consumed worldwide, although most species belonging to this genus have a restricted range, and several taxa remain unstudied. In this work, a total of four taxa from different locations were scrutinized and compared with cultivated A. officinalis. All shoots were screened for saponins via LC-MS, and in vitro antiproliferative activities against the HT-29 colorectal cancer cell line were assessed via the MTT assay. The total saponins (TS) contained in the crude extracts ranged from 710.0 (A. officinalis) to 1258.6 mg/100 g dw (A. acutifolius). The richness of the compounds detected in this work stands out; a total of 47 saponins have been detected and quantified in the edible parts (shoots) of five taxa of Asparagus. The structure of all the saponins found present skeletons of the furostane and spirostane type. In turn, the structures with a furostane skeleton are divided into unsaturated and dioxygenated types, both in the 20-22 position. The sum of dioscin and derivatives varied largely among the studied taxa, reaching the following percentages of TS: 27.11 (A. officinalis), 18.96 (A. aphyllus), 5.37 (A. acutifolius), and 0.59 (A. albus); while in A. horridus, this compound remains undetected. Aspachiosde A, D, and M varied largely among samples, while a total of seven aspaspirostanosides were characterized in the analyzed species. The hierarchical cluster analysis of the saponin profiles clearly separated the various taxa and demonstrated that the taxonomic position is more important than the place from which the samples were acquired. Thus, saponin profiles have chemotaxonomic significance in Asparagus taxa. The MTT assay showed dose- and time-dependent inhibitory effects of all saponins extracts on HT-29 cancer cells, and the strongest cell growth inhibition was exercised by A. albus and A. acutifolius (GI50 of 125 and 175 µg/mL). This work constitutes a whole approach to evaluating the saponins from the shoots of different Asparagus taxa and provides arguments for using them as functional foods.
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Affiliation(s)
- Tarik Chileh-Chelh
- Food Technology Division, University of Almería, 04120 Almería, Spain; (T.C.-C.); (M.A.R.-C.); (M.E.)
| | - Rosalía López-Ruiz
- Department Chemistry-Physics, Analytical Chemistry of Contaminants, University of Almería, 04120 Almería, Spain;
| | - Ana M. García-Cervantes
- Department Chemistry-Physics CIAIMBITAL, University of Almería, 04120 Almería, Spain; (A.M.G.-C.)
| | - Ignacio Rodríguez-García
- Department Chemistry-Physics CIAIMBITAL, University of Almería, 04120 Almería, Spain; (A.M.G.-C.)
| | - Miguel A. Rincón-Cervera
- Food Technology Division, University of Almería, 04120 Almería, Spain; (T.C.-C.); (M.A.R.-C.); (M.E.)
- Institute of Nutrition and Food Technology, University of Chile, Santiago 7830490, Chile
| | - Mohamed Ezzaitouni
- Food Technology Division, University of Almería, 04120 Almería, Spain; (T.C.-C.); (M.A.R.-C.); (M.E.)
| | - José L. Guil-Guerrero
- Food Technology Division, University of Almería, 04120 Almería, Spain; (T.C.-C.); (M.A.R.-C.); (M.E.)
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Goñi I, García-Alonso A, Alba C, Rodríguez JM, Sánchez-Mata MC, Guillén-Bejarano R, Redondo-Cuenca A. Composition and Functional Properties of the Edible Spear and By-Products from Asparagus officinalis L. and Their Potential Prebiotic Effect. Foods 2024; 13:1154. [PMID: 38672827 PMCID: PMC11049112 DOI: 10.3390/foods13081154] [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: 03/18/2024] [Revised: 04/03/2024] [Accepted: 04/05/2024] [Indexed: 04/28/2024] Open
Abstract
Asparagus is a healthy food appreciated for its organoleptic characteristics, nutritional composition and physiological properties. During its industrial processing, a large amount of by-products are generated, since only the apical part of the vegetable is considered edible and a large amount of by-products are generated that could be of nutritional interest. Therefore, the nutritional composition of the edible part and the two by-products of the plant (root and stem) was evaluated, including dietary fiber, inulin, low-molecular-weight carbohydrates, low-molecular-weight polyphenols and macromolecular polyphenols. The hydration properties, oil retention capacity, glucose retardation index and impact on bacterial growth of both probiotic bacteria and pathogenic strains were determined. All samples were high in fiber (>22 g/100 g dw), fructans (>1.5 g/100 g dw) and polyphenolic compounds (>3 g/100 g dw) and had good water-, oil- and glucose-binding capacity. In addition, they promoted the growth of probiotic strains but not pathogenic ones. The effects were more pronounced in the spear by-product samples and appear to be related to the components of dietary fiber. The results indicate that edible spear has potential beneficial effects on host health and microbiota when ingested as part of a healthy diet, while the by-products could be used as supplements and/or as natural ingredients in fiber-enriched foods that require emulsification and are intended to achieve a prebiotic effect.
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Affiliation(s)
- Isabel Goñi
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (I.G.); (C.A.); (J.M.R.); (M.C.S.-M.); (A.R.-C.)
| | - Alejandra García-Alonso
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (I.G.); (C.A.); (J.M.R.); (M.C.S.-M.); (A.R.-C.)
| | - Claudio Alba
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (I.G.); (C.A.); (J.M.R.); (M.C.S.-M.); (A.R.-C.)
| | - Juan Miguel Rodríguez
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (I.G.); (C.A.); (J.M.R.); (M.C.S.-M.); (A.R.-C.)
| | - María Cortes Sánchez-Mata
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (I.G.); (C.A.); (J.M.R.); (M.C.S.-M.); (A.R.-C.)
| | - Rafael Guillén-Bejarano
- Phytochemicals and Food Quality Group, Instituto de la Grasa, Spanish National Research Council (CSIC), 41013 Sevilla, Spain;
| | - Araceli Redondo-Cuenca
- Department of Nutrition and Food Science, Complutense University of Madrid, 28040 Madrid, Spain; (I.G.); (C.A.); (J.M.R.); (M.C.S.-M.); (A.R.-C.)
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Xiao J, He M, Chen P, Li M, Liu J, Li Y, Lu W, Jiang C, Liu D, Quzha K, Zheng Y. Proanthocyanidins delay the senescence of young asparagus stems by regulating antioxidant capacity and synthesis of phytochemicals. Food Chem X 2024; 21:101222. [PMID: 38389577 PMCID: PMC10881539 DOI: 10.1016/j.fochx.2024.101222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/17/2024] [Accepted: 02/09/2024] [Indexed: 02/24/2024] Open
Abstract
Asparagus, characterized by its high metabolic rate, is susceptible to quality degradation. Proanthocyanidins have antioxidant, antibacterial, antiviral, and other biological functions and can inhibit the production of reactive oxygen species in plants. To enhance the shelf life of asparagus, we investigated the impact of various concentrations of proanthocyanidins on its cold storage and preservation. The findings revealed that proanthocyanidins effectively mitigated water loss, delayed chlorophyll degradation, and prevented firmness decline. Furthermore, they enhanced the activity of antioxidant enzymes (superoxide dismutase, catalase, peroxidase, and polyphenol oxidase), bolstered DPPH free radical scavenging ability, and increased the levels of total phenol, total flavone, rutin, oligomeric procyanidins, proline, and soluble protein. Moreover, proanthocyanidins promoted the accumulation of vitamin C, amino acids, total saponins, and lignin in the later storage stage, contributing to increased mechanical tissue thickness. These results suggest that proanthocyanidins play a crucial role in retarding the deterioration of asparagus quality during storage by affecting the antioxidant capacity and phytochemical (polyphenol,amino acid, total saponin, and lignin) synthesis in asparagus.
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Affiliation(s)
- Jiachang Xiao
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Maolin He
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Peiran Chen
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Mengyao Li
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Junting Liu
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Yanwen Li
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Wei Lu
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Chengyao Jiang
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Dingsong Liu
- Education, Technology and Sports Bureau of Enyang District, Bazhong 636063, China
| | - Konggar Quzha
- Jiangzi County Rilang Township Agriculture and Animal Husbandry Comprehensive Service Center, Shigatse 857400, China
| | - Yangxia Zheng
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
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Hamdi A, Jaramillo-Carmona S, Rodríguez-Arcos R, Jiménez-Araujo A, Karray Bouraoui N, Guillén-Bejarano R. Phytochemical Profile and In Vitro Bioactivities of Wild Asparagus stipularis. Molecules 2024; 29:817. [PMID: 38398569 PMCID: PMC10892698 DOI: 10.3390/molecules29040817] [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: 01/15/2024] [Revised: 02/05/2024] [Accepted: 02/07/2024] [Indexed: 02/25/2024] Open
Abstract
In this study, Asparagus stipularis was characterized concerning its phytochemical composition, antioxidant potential, cytotoxicity, and pancreatic lipase inhibitory activities. Twenty-seven compounds were identified and quantified by HPLC-DAD-MS in the leaf, stem, pericarp, and rhizome of ethanolic extracts. Seven steroidal saponins were detected, and the highest content was quantified in rhizome and pericap. A. stipularis also contained significant amounts of flavonoids in the aerial part. Isorhamnetin tetra-glycoside, quercetin-3-glucosyl-rutinoside, and rutin were the main flavonoid derivatives in leaf, stem, and pericarp extracts, respectively. In addition, eleven phenolic acids were also detected; among them, caffeic acid, protocatechuic acid, p-hydroxybenzoic acid, and ferulic acid were the predominant phenolics, with these having the highest amounts quantified in the rhizome extracts. All the tested extracts possessed antioxidant capacities, with pericarp and rhizome extracts exhibiting the highest activity in DPPH, ABTS, and FRAP assays. The extracts from pericarp and rhizome were revealed to also be the strongest inhibitors of pancreatic lipase. The rhizome extracts exhibited potent cytotoxic activity against HCT-116 and HepG2 with IC50 values of 30 and 54 µg/mL after 48 h of treatment. The present study demonstrated that A. stipularis can be used as a new source of natural antioxidants and potential anticancer and antiobesity compounds.
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Affiliation(s)
- Amel Hamdi
- Phytochemicals and Food Quality Group, Instituto de la Grasa (CSIC), 41013 Seville, Spain; (S.J.-C.); (R.R.-A.); (A.J.-A.)
- Unité de Physiologie et de Biochimie de la Réponse des Plantes aux Contraintes Abiotiques, Faculté des Sciences de Tunis, Université Tunis El Manar, Tunis 2092, Tunisia;
| | - Sara Jaramillo-Carmona
- Phytochemicals and Food Quality Group, Instituto de la Grasa (CSIC), 41013 Seville, Spain; (S.J.-C.); (R.R.-A.); (A.J.-A.)
| | - Rocío Rodríguez-Arcos
- Phytochemicals and Food Quality Group, Instituto de la Grasa (CSIC), 41013 Seville, Spain; (S.J.-C.); (R.R.-A.); (A.J.-A.)
| | - Ana Jiménez-Araujo
- Phytochemicals and Food Quality Group, Instituto de la Grasa (CSIC), 41013 Seville, Spain; (S.J.-C.); (R.R.-A.); (A.J.-A.)
| | - Najoua Karray Bouraoui
- Unité de Physiologie et de Biochimie de la Réponse des Plantes aux Contraintes Abiotiques, Faculté des Sciences de Tunis, Université Tunis El Manar, Tunis 2092, Tunisia;
| | - Rafael Guillén-Bejarano
- Phytochemicals and Food Quality Group, Instituto de la Grasa (CSIC), 41013 Seville, Spain; (S.J.-C.); (R.R.-A.); (A.J.-A.)
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Hamdi A, Viera-Alcaide I, Jiménez-Araujo A, Rodríguez-Arcos R, Guillén-Bejarano R. Applications of Saponin Extract from Asparagus Roots as Functional Ingredient. Foods 2024; 13:274. [PMID: 38254575 PMCID: PMC10814866 DOI: 10.3390/foods13020274] [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: 11/28/2023] [Revised: 01/10/2024] [Accepted: 01/12/2024] [Indexed: 01/24/2024] Open
Abstract
When replanting an asparagus field, the roots of the previous crop are crushed and incorporated into the soil, creating problems of autotoxicity and fungal infections. Asparagus roots can be considered as a valuable byproduct, since they are very rich in saponins (3-6%), compounds currently considered as bio-emulsifiers. The objective is to evaluate the emulsifying and foaming capacity of a saponin extract from asparagus roots (ARS) and compare it with other commercial extracts. ARS was obtained using a process patented by our research group. The results have shown that ARS has activity similar to Quillaja extract. Its critical micellar concentration falls between that of Quillaja and Tribulus extracts (0.064, 0.043, and 0.094 g/100 mL, respectively). Both emulsifying and foaming activities are affected by pH, salt, and sucrose to a similar extent as the other extracts. Additionally, it has demonstrated an inhibitory effect on pancreatic lipase, which is even better than the other two studied extracts, as indicated by its IC50 value (0.7887, 1.6366, and 2.0107 mg/mL for asparagus, Quillaja, and Tribulus, respectively). These results suggest that ARS could serve as a natural emulsifying/foaming agent for healthier and safer food products and as a potential aid in treatments for obesity and hyperlipidemia.
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Affiliation(s)
- Amel Hamdi
- Instituto de la Grasa, Consejo Superior de Investigaciones Científicas (CSIC), Pablo de Olavide Universitary Campus, Building 46, Carretera de Utrera Km 1, 41013 Seville, Spain; (A.H.); (I.V.-A.); (R.R.-A.); (R.G.-B.)
- Molecular Biology and Biochemical Engineering Department, Centro Andaluz de Biología del Desarrollo (CABD), University Pablo de Olavide (UPO), CSIC/UPO/JA, Carretera de Utrera Km 1, 41013 Sevilla, Spain
| | - Isabel Viera-Alcaide
- Instituto de la Grasa, Consejo Superior de Investigaciones Científicas (CSIC), Pablo de Olavide Universitary Campus, Building 46, Carretera de Utrera Km 1, 41013 Seville, Spain; (A.H.); (I.V.-A.); (R.R.-A.); (R.G.-B.)
| | - Ana Jiménez-Araujo
- Instituto de la Grasa, Consejo Superior de Investigaciones Científicas (CSIC), Pablo de Olavide Universitary Campus, Building 46, Carretera de Utrera Km 1, 41013 Seville, Spain; (A.H.); (I.V.-A.); (R.R.-A.); (R.G.-B.)
| | - Rocío Rodríguez-Arcos
- Instituto de la Grasa, Consejo Superior de Investigaciones Científicas (CSIC), Pablo de Olavide Universitary Campus, Building 46, Carretera de Utrera Km 1, 41013 Seville, Spain; (A.H.); (I.V.-A.); (R.R.-A.); (R.G.-B.)
| | - Rafael Guillén-Bejarano
- Instituto de la Grasa, Consejo Superior de Investigaciones Científicas (CSIC), Pablo de Olavide Universitary Campus, Building 46, Carretera de Utrera Km 1, 41013 Seville, Spain; (A.H.); (I.V.-A.); (R.R.-A.); (R.G.-B.)
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Hamdi A, Viera-Alcaide I, Costa S, Lino-Neto T, Guillén-Bejarano R, Rodríguez-Arcos R, Jiménez-Araujo A. A Sustainable Approach for the Valorization of Underutilized Date Fruits. Molecules 2023; 28:5807. [PMID: 37570777 PMCID: PMC10420846 DOI: 10.3390/molecules28155807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/24/2023] [Accepted: 07/29/2023] [Indexed: 08/13/2023] Open
Abstract
Secondary varieties of date fruits are often discarded because they do not have commercial value. However, their phytochemicals are very similar to those of the primary ones and therefore, they can be valorized as a source of compounds of interest, mainly phenols and dietary fiber. Their chemical composition changes with ripening, so their characterization throughout this process is of great significance. Date fruit samples were harvested at Khalal, Rutab, and Tamer stages, and a mixture of fruits from ornamental date trees was also analyzed. Aqueous and ethanolic extracts were studied for their phenolic composition. In aqueous extracts, phenols decreased with ripening, while in the ethanolic ones having higher phenolic content. Chelidonic acid, a γ-pyrone, was the major compound found in all extracts, but in the ethanolic ones, flavonoids were also present in similar amounts. After purification by adsorption chromatography, all extracts were assayed for their antimicrobial activity. Those from the Tamer stage showed the highest activity, especially against Gram-positive bacteria. The fibrous residues after aqueous and ethanolic extractions were also characterized. Their chemical composition suggested that they can be considered as a good source of prebiotic arabinoxylans and antioxidant fiber, whose antiradical activity correlated with their phenolic content. Date fruits from secondary varieties are promising as a worthwhile starting point for obtaining new value-added products.
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Affiliation(s)
- Amel Hamdi
- Instituto de la Grasa, Consejo Superior de Investigaciones Científicas (CSIC), Campus Universidad Pablo de Olavide (UPO), Building 46, Carretera de Utrera Km1, 41013 Sevilla, Spain; (A.H.); (I.V.-A.); (R.G.-B.); (R.R.-A.)
- Molecular Biology and Biochemical Engineering Department, Centro Andaluz de Biología del Desarrollo (CABD), University Pablo de Olavide (UPO), CSIC/UPO/Junta de Andalucía, Carretera de Utrera Km 1, 41013 Sevilla, Spain
| | - Isabel Viera-Alcaide
- Instituto de la Grasa, Consejo Superior de Investigaciones Científicas (CSIC), Campus Universidad Pablo de Olavide (UPO), Building 46, Carretera de Utrera Km1, 41013 Sevilla, Spain; (A.H.); (I.V.-A.); (R.G.-B.); (R.R.-A.)
| | - Susana Costa
- Centre of Molecular and Environmental Biology (CBMA), University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; (S.C.); (T.L.-N.)
| | - Teresa Lino-Neto
- Centre of Molecular and Environmental Biology (CBMA), University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; (S.C.); (T.L.-N.)
| | - Rafael Guillén-Bejarano
- Instituto de la Grasa, Consejo Superior de Investigaciones Científicas (CSIC), Campus Universidad Pablo de Olavide (UPO), Building 46, Carretera de Utrera Km1, 41013 Sevilla, Spain; (A.H.); (I.V.-A.); (R.G.-B.); (R.R.-A.)
| | - Rocío Rodríguez-Arcos
- Instituto de la Grasa, Consejo Superior de Investigaciones Científicas (CSIC), Campus Universidad Pablo de Olavide (UPO), Building 46, Carretera de Utrera Km1, 41013 Sevilla, Spain; (A.H.); (I.V.-A.); (R.G.-B.); (R.R.-A.)
| | - Ana Jiménez-Araujo
- Instituto de la Grasa, Consejo Superior de Investigaciones Científicas (CSIC), Campus Universidad Pablo de Olavide (UPO), Building 46, Carretera de Utrera Km1, 41013 Sevilla, Spain; (A.H.); (I.V.-A.); (R.G.-B.); (R.R.-A.)
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Chileh Chelh T, Rincon-Cervera MA, Gomez-Mercado F, Lopez-Ruiz R, Gallon-Bedoya M, Ezzaitouni M, Guil-Guerrero JL. Wild Asparagus Shoots Constitute a Healthy Source of Bioactive Compounds. Molecules 2023; 28:5786. [PMID: 37570757 PMCID: PMC10421306 DOI: 10.3390/molecules28155786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 07/26/2023] [Accepted: 07/29/2023] [Indexed: 08/13/2023] Open
Abstract
Wild Asparagus shoots are consumed worldwide, although most species remain understudied. In this work, a total of four wild Asparagus species were collected from different locations and analyzed compared with farmed A. officinalis. Shoots were screened for (i) phenolic compounds by HPLC-DAD and LC-MS; (ii) total phenolic acids and total flavonoid content by the Folin-Ciocalteu and aluminum chloride methods; (iii) vitamin C by HPLC-DAD; (iv) antioxidant activity by the DPPH and ABTS•+ methods; and (v) the in vitro antiproliferative activities against HT-29 colorectal cancer cells by the MTT assay. Phenolics ranged from 107.5 (A. aphyllus) to 605.4 mg/100 g dry weight (dw) (A. horridus). Vitamin C ranged from 15.8 (A. acutifolius) to 22.7 mg/100 g fresh weight (fw) (A. officinalis). The antioxidant activity was similar in all species, standing out in A. officinalis with 5.94 (DPPH) and 4.64 (ABTS) mmol TE/100 g dw. Among phenolics, rutin reached the highest values (574 mg/100 g dw in A. officinalis), followed by quercetin, nicotiflorin, asterin, and narcissin. The MTT assay revealed the inhibitory effects of ethanol extracts against HT-29 cancer cells, highlighting the cell growth inhibition exercised by A. albus (300 µg/mL after 72 h exposure to cells). This work improves knowledge on the phytochemicals and bioactivities of the shoots of wild Asparagus species and confirms their suitability for use as functional foods.
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Affiliation(s)
- Tarik Chileh Chelh
- Food Technology Division, ceiA3, CIAMBITAL, University of Almeria, 04120 Almeria, Spain; (T.C.C.); (M.A.R.-C.); (M.E.)
| | - Miguel A. Rincon-Cervera
- Food Technology Division, ceiA3, CIAMBITAL, University of Almeria, 04120 Almeria, Spain; (T.C.C.); (M.A.R.-C.); (M.E.)
- Institute of Nutrition and Food Technology, University of Chile, Macul, Santiago 7830490, Chile
| | | | - Rosalia Lopez-Ruiz
- Chemical-Physical Department, Analytical Chemistry of Pollutants, University of Almeria, 04120 Almeria, Spain;
| | - Manuela Gallon-Bedoya
- Faculty of Agricultural Sciences, Department of Agricultural and Food Engineering, Medellín Campus, National University of Colombia, Medellin 050034, Colombia;
| | - Mohamed Ezzaitouni
- Food Technology Division, ceiA3, CIAMBITAL, University of Almeria, 04120 Almeria, Spain; (T.C.C.); (M.A.R.-C.); (M.E.)
| | - Jose L. Guil-Guerrero
- Food Technology Division, ceiA3, CIAMBITAL, University of Almeria, 04120 Almeria, Spain; (T.C.C.); (M.A.R.-C.); (M.E.)
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Alcaide IV, Hamdi A, Guilleín-Bejarano R, Jiménez-Araujo A, Rodríguez-Arcos R. Sustainable valorization of co-products from asparagus cultivation by obtaining bioactive compounds. FRONTIERS IN PLANT SCIENCE 2023; 14:1199436. [PMID: 37521938 PMCID: PMC10373885 DOI: 10.3389/fpls.2023.1199436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 06/28/2023] [Indexed: 08/01/2023]
Abstract
Asparagus cultivation generates every year a significant amount of by-products that consist of root and frond. Leaving these residues on the fields after harvesting negatively affects the following asparagus crops, since they release autotoxic (allelopathic) substances into the soil, whose accumulation causes that asparagus yields gradually decrease over the years, becoming an unprofitable crop in a period of about 10 to 15 years. This phenomenon is known as decay and forces the entire asparagus plantation to be lifted (abandoned). On the other hand, once a certain plantation has been lifted, it is not profitable to immediately re-plant new asparagus plants, since the yields that are achieved are never more than half of normal ones. It is necessary to wait an average of 4 or 5 years before replanting asparagus in these lands. This phenomenon is known as the replanting problem, and causes the need to continually search for new land for growing asparagus. Another added problem for farmers is that the elimination of those plant residues from asparagus cultivation entails significant economic costs. For all these reasons, it is essential to seek alternatives for the management of that waste that improve the sustainability of the crop within the scope of the circular economy. In this context, this work proposes the valorization of asparagus by-products by obtaining bioactive compounds. Main objectives of the present work include: i) phytochemical analyses of asparagus fronds and roots; ii) obtaining bioactive extracts, with distinct technological and nutritional functionalities, by using an environmentally sustainable extraction process, easy to implement in the practice of a food industry and with methods compatible with food use. Characterization of asparagus by-products shown that fronds had an average flavonoid content of 2.637 ± 0.014 g/Kg fresh weight, which is up to 5-6 times higher than that of the spears; and roots contained up to 10 times more saponins (2.25 g/Kg fresh weight), which were accompanied by lower quantities of phenolic acids (368 mg/Kg fresh weight). Statistical analysis revealed that those phytochemical contents were mainly determined by location and phase of the vegetative cycle, whereas genetic factors did not significantly influence them. Based on the results of the present work, the proposal for the recovery and valorization of asparagus by-products is based on obtaining two bioactive extracts, the first being an antioxidant extract enriched in flavonoids, with an average yield of 10.7 g/Kg fresh frond and a flavonoid richness of 17%; and the second, a saponins extract with an average yield of 10.3 g/Kg fresh root and a richness of 51%. These natural extracts have great techno-functional potential in the agri-food industry and some of them are already being tested as additives in the preparation of soups, breads and meat products.
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Dilucia F, Rutigliano M, Libutti A, Quinto M, Spadaccino G, Liberatore MT, Lauriola M, di Luccia A, la Gatta B. Effect of a Novel Pretreatment Before Freeze-Drying Process on the Antioxidant Activity and Polyphenol Content of Malva sylvestris L., Calendula officinalis L., and Asparagus officinalis L. Infusions. FOOD BIOPROCESS TECH 2023. [DOI: 10.1007/s11947-023-03035-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
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10
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Redondo-Cuenca A, García-Alonso A, Rodríguez-Arcos R, Castro I, Alba C, Miguel Rodríguez J, Goñi I. Nutritional composition of green asparagus (Asparagus officinalis L.), edible part and by-products, and assessment of their effect on the growth of human gut-associated bacteria. Food Res Int 2023; 163:112284. [PMID: 36596190 DOI: 10.1016/j.foodres.2022.112284] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 11/28/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022]
Abstract
Asparagus is considered a healthy food with a high content of bioactive compounds. In this study, the proximate and mineral composition, non-digestible carbohydrates and bioactive compounds of edible spear, spear by-product and root have been evaluated. Their activity on the growth of human gut-associated bacteria has been studied. The results support the high nutritional and functional value of the asparagus, including its by-products, highlighting the potential of the non-edible parts to be used as prebiotics. A remarkable content in xylose, inulin, flavonoids and saponins has been found. It has been shown that the spear by-product can be selectively used to promote the growth of commensal or probiotic lactobacilli and bifidobacteria strains. It has been confirmed that any part of the asparagus has a potential future as a healthy food or as health-promoting ingredients, however more work is required to identify the compounds able to modulate the human gut microbiota.
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Affiliation(s)
- Araceli Redondo-Cuenca
- Department of Nutrition and Food Science, Faculty of Pharmacy. Complutense University of Madrid, 28040 Madrid, Spain
| | - Alejandra García-Alonso
- Department of Nutrition and Food Science, Faculty of Pharmacy. Complutense University of Madrid, 28040 Madrid, Spain.
| | - Rocio Rodríguez-Arcos
- Phytochemicals and Food Quality Group, Instituto de la Grasa, Consejo Superior de Investigaciones Científicas (CSIC), Pablo de Olavide Universitary Campus, Building 46, Carretera de Utrera Km 1, 41013 Seville, Spain
| | - Irma Castro
- Department of Nutrition and Food Science, Faculty of Pharmacy. Complutense University of Madrid, 28040 Madrid, Spain
| | - Claudio Alba
- Department of Nutrition and Food Science, Faculty of Pharmacy. Complutense University of Madrid, 28040 Madrid, Spain
| | - Juan Miguel Rodríguez
- Department of Nutrition and Food Science, Faculty of Pharmacy. Complutense University of Madrid, 28040 Madrid, Spain
| | - Isabel Goñi
- Department of Nutrition and Food Science, Faculty of Pharmacy. Complutense University of Madrid, 28040 Madrid, Spain
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11
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Asparagus Fructans as Emerging Prebiotics. Foods 2022; 12:foods12010081. [PMID: 36613297 PMCID: PMC9818401 DOI: 10.3390/foods12010081] [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: 11/18/2022] [Revised: 12/16/2022] [Accepted: 12/20/2022] [Indexed: 12/28/2022] Open
Abstract
Commercial fructans (inulin and oligofructose) are generally obtained from crops such as chicory, Jerusalem artichoke or agave. However, there are agricultural by-products, namely asparagus roots, which could be considered potential sources of fructans. In this work, the fructans extracted from asparagus roots and three commercial ones from chicory and agave were studied in order to compare their composition, physicochemical characteristics, and potential health effects. Asparagus fructans had similar chemical composition to the others, especially in moisture, simple sugars and total fructan contents. However, its contents of ash, protein and phenolic compounds were higher. FTIR analysis confirmed these differences in composition. Orafti®GR showed the highest degree of polymerization (DP) of up to 40, with asparagus fructans (up to 25) falling between Orafti®GR and the others (DP 10-11). Although asparagus fructan powder had a lower fructan content and lower DP than Orafti®GR, its viscosity was higher, probably due to the presence of proteins. The existence of phenolic compounds lent antioxidant activity to asparagus fructans. The prebiotic activity in vitro of the four samples was similar and, in preliminary assays, asparagus fructan extract presented health effects related to infertility and diabetes diseases. All these characteristics confer a great potential for asparagus fructans to be included in the prebiotics market.
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12
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Ben-Abdallah S, Sefi M, Soudani N, Hamdi A, Bejaoui S, Issaoui H, El Cafsi M, Karray-Bouraoui N. Potential antioxidant effects of Narcissus tazetta phenolic compounds against cadmium chloride-induced hepatotoxicity in Swiss albino mice. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:66193-66205. [PMID: 34331222 DOI: 10.1007/s11356-021-15497-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 07/14/2021] [Indexed: 06/13/2023]
Abstract
Narcissus tazetta (Amaryllidaceae) is a medicinal plant widely used for cut flowers and potted ornamental plant in Tunisia flora. The current study evaluated the phenolic composition and antioxidant properties of its flower extracts and investigated its potential protective activity against cadmium chloride (CdCl2)-induced hepatotoxicity in mice. Mice were divided into six groups of six each: group 1, serving as negative controls, received by intraperitoneal way only distilled water; group 2 received by intraperitoneal way CdCl2 (0.16 mg/kg bw); groups 3 and 4 received CdCl2 at the same dose of group 2 and 100 or 200 mg/kg bw of Narcissus tazetta flower extracts via oral route; groups 5 and 6, serving as positive controls, received only Narcissus tazetta flower extracts. Polyphenolic compounds of the extract were analyzed by colorimetric and high-performance liquid chromatography-mass spectrometry (HPLC-MS) methods. Total antioxidant activity and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging potential of the extract were estimated using colorimetric method. Results indicated that ethanolic flower extract contained high levels of total phenolic and flavonoid along with a strong total antioxidant and DPPH free radical scavenging activities. HPLC-MS analysis identified eight phenolic compounds, including rutin, kaempferol glycosides, and chlorogenic acids. The extract also exhibited marked hepatoprotective effects against CdCl2 toxicity by reducing hepatic levels of malondialdehyde, advanced oxidation protein products, hydrogen peroxide, metallothioneins, and DNA degradation. Additionally, co-administration of Narcissus tazetta flower extracts lowered the plasma activities of transaminases, gamma glutamyl transpeptidase, and lactate dehydrogenase and increased hepatic levels of reduced glutathione, nonprotein thiols, vitamin C, and catalase activity. The hepatoprotective effects of the extract were demonstrated by histopathological improvement of liver disorders. The current study provided ethnopharmacological application of Narcissus tazetta flower extracts against CdCl2-induced oxidative stress, suggesting its chemoprevention role of its phenolic compounds as a natural antioxidant.
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Affiliation(s)
- Saoussen Ben-Abdallah
- Laboratory of Plant Productivity and Environmental Constraints, LR18ES04, Department of Biology, Faculty of Sciences of Tunisia, University Tunis El Manar, 2092, Tunis, Tunisia.
| | - Mediha Sefi
- Laboratory of Ecology, Biology and Physiology of Aquatic Organisms, LR18ES41, Department of Biology, Faculty of Sciences of Tunis, University Tunis El Manar, 2092, Tunis, Tunisia
- Animal Physiology Laboratory, Department of Life Sciences, University of Sfax, Sfax, Tunisia
| | - Nejla Soudani
- Laboratory of Ecology, Biology and Physiology of Aquatic Organisms, LR18ES41, Department of Biology, Faculty of Sciences of Tunis, University Tunis El Manar, 2092, Tunis, Tunisia
| | - Amel Hamdi
- Laboratory of Plant Productivity and Environmental Constraints, LR18ES04, Department of Biology, Faculty of Sciences of Tunisia, University Tunis El Manar, 2092, Tunis, Tunisia
- Phytochemicals and Food Quality Group, Instituto de la Grasa (CSIC), 41013, Seville, Spain
| | - Safa Bejaoui
- Laboratory of Ecology, Biology and Physiology of Aquatic Organisms, LR18ES41, Department of Biology, Faculty of Sciences of Tunis, University Tunis El Manar, 2092, Tunis, Tunisia
| | - Hela Issaoui
- Laboratory of Plant Productivity and Environmental Constraints, LR18ES04, Department of Biology, Faculty of Sciences of Tunisia, University Tunis El Manar, 2092, Tunis, Tunisia
| | - Mhamed El Cafsi
- Laboratory of Ecology, Biology and Physiology of Aquatic Organisms, LR18ES41, Department of Biology, Faculty of Sciences of Tunis, University Tunis El Manar, 2092, Tunis, Tunisia
| | - Najoua Karray-Bouraoui
- Laboratory of Plant Productivity and Environmental Constraints, LR18ES04, Department of Biology, Faculty of Sciences of Tunisia, University Tunis El Manar, 2092, Tunis, Tunisia
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13
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Hamdi A, Jaramillo-Carmona S, Rodríguez-Arcos R, Jiménez-Araujo A, Lachaal M, Karray-Bouraoui N, Guillén-Bejarano R. Phytochemical Characterization and Bioactivity of Asparagus acutifolius: A Focus on Antioxidant, Cytotoxic, Lipase Inhibitory and Antimicrobial Activities. Molecules 2021; 26:3328. [PMID: 34206066 PMCID: PMC8198970 DOI: 10.3390/molecules26113328] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 05/19/2021] [Accepted: 05/24/2021] [Indexed: 11/23/2022] Open
Abstract
The phytochemical composition of leaves, stems, pericarps and rhizomes ethanolic extracts of Asparagus acutifolius were characterized by HPLC-DAD-MS. A. acutifolius samples contain at least eleven simple phenolics, one flavonon, two flavonols and six steroidal saponins. The stem extracts showed the highest total phenolic acid and flavonoid contents, where cafeic acid and rutin were the main compounds. No flavonoids were detected in the leaf, pericarp or rhizome while caffeic acid and ferulic acid were the predominant. Steroidal saponins were detected in the different plant parts of A. acutifolius, and the highest contents were found in the rhizome extracts. The stem extracts exhibited the highest antioxidant activity against 2,2-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP) and the highest 2,2-azino-bis (3 ethylbenzothiazoline-6-sulphonic acid) (ABTS) scavenging activity was found in the pericarp extracts. The rhizome and leaf extracts showed a potent cytotoxic activity against HCT-116 and HepG2 cell lines. Moreover, the pericarp and rhizome extracts revealed a moderate lipase inhibitory activity. The leaf and rhizome extracts were screened for their antimicrobial activity against human pathogenic isolates. The leaf extract exhibited a powerful inhibitory activity against all the bacteria and fungi tested.
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Affiliation(s)
- Amel Hamdi
- Phytochemicals and Food Quality Group, Instituto de la Grasa (CSIC), 41013 Seville, Spain; (A.H.); (S.J.-C.); (R.R.-A.); (A.J.-A.)
- Unité de Physiologie et de Biochimie de la Réponse des Plantes aux Contraintes Abiotiques, FST Campus, Université Tunis El Manar, 1068 Tunis, Tunisia; (M.L.); (N.K.-B.)
| | - Sara Jaramillo-Carmona
- Phytochemicals and Food Quality Group, Instituto de la Grasa (CSIC), 41013 Seville, Spain; (A.H.); (S.J.-C.); (R.R.-A.); (A.J.-A.)
| | - Rocío Rodríguez-Arcos
- Phytochemicals and Food Quality Group, Instituto de la Grasa (CSIC), 41013 Seville, Spain; (A.H.); (S.J.-C.); (R.R.-A.); (A.J.-A.)
| | - Ana Jiménez-Araujo
- Phytochemicals and Food Quality Group, Instituto de la Grasa (CSIC), 41013 Seville, Spain; (A.H.); (S.J.-C.); (R.R.-A.); (A.J.-A.)
| | - Mokhtar Lachaal
- Unité de Physiologie et de Biochimie de la Réponse des Plantes aux Contraintes Abiotiques, FST Campus, Université Tunis El Manar, 1068 Tunis, Tunisia; (M.L.); (N.K.-B.)
| | - Najoua Karray-Bouraoui
- Unité de Physiologie et de Biochimie de la Réponse des Plantes aux Contraintes Abiotiques, FST Campus, Université Tunis El Manar, 1068 Tunis, Tunisia; (M.L.); (N.K.-B.)
| | - Rafael Guillén-Bejarano
- Phytochemicals and Food Quality Group, Instituto de la Grasa (CSIC), 41013 Seville, Spain; (A.H.); (S.J.-C.); (R.R.-A.); (A.J.-A.)
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14
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Yu Q, Fan L, Li J. A novel process for asparagus polyphenols utilization by ultrasound assisted adsorption and desorption using resins. ULTRASONICS SONOCHEMISTRY 2020; 63:104920. [PMID: 31945570 DOI: 10.1016/j.ultsonch.2019.104920] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 12/03/2019] [Accepted: 12/06/2019] [Indexed: 06/10/2023]
Abstract
The ultrasound assisted purification of asparagus polyphenols by adsorption and desorption on the macroporous resins was investigated. The ultrasound within the selected intensities (12-120 W) and temperatures (25-35 °C) increased the adsorption and desorption capacities of asparagus polyphenols on D101 resins. Higher ultrasound intensity (120 W) and lower temperature (25 °C) benefited the adsorption process and the adsorption capacity of total polyphenols after ultrasound was 3.95 mg/g, which was 2 times than that obtained after shaking at 120 rpm. Meanwhile, ultrasound can significantly shorten the equilibrium time and the adsorption process of asparagus polyphenols could be well described by Pseudo-second order model and Freundlich model. Stereoscopic microscope was first used to investigate the microstructure characterization of resins, indicating that ultrasound mainly enhanced the surface roughness of resins. Interestingly, rutin possessed the highest adsorption capacities and ferulic acid had the highest the desorption capacities among the studied individual polyphenols. The obtained results evidenced on a progressive insight of application of ultrasound assisted resins for purification of asparagus polyphenols.
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Affiliation(s)
- Qun Yu
- State Key Laboratory of Food Science & Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, China
| | - Liuping Fan
- State Key Laboratory of Food Science & Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, China.
| | - Jinwei Li
- State Key Laboratory of Food Science & Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, China.
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15
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Chambers CS, Viktorová J, Řehořová K, Biedermann D, Turková L, Macek T, Křen V, Valentová K. Defying Multidrug Resistance! Modulation of Related Transporters by Flavonoids and Flavonolignans. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:1763-1779. [PMID: 30907588 DOI: 10.1021/acs.jafc.9b00694] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Multidrug resistance (MDR) is a major challenge for the 21th century in both cancer chemotherapy and antibiotic treatment of bacterial infections. Efflux pumps and transport proteins play an important role in MDR. Compounds displaying inhibitory activity toward these proteins are prospective for adjuvant treatment of such conditions. Natural low-cost and nontoxic flavonoids, thanks to their vast structural diversity, offer a great pool of lead structures with broad possibility of chemical derivatizations. Various flavonoids were found to reverse both antineoplastic and bacterial multidrug resistance by inhibiting Adenosine triphosphate Binding Cassette (ABC)-transporters (human P-glycoprotein, multidrug resistance-associated protein MRP-1, breast cancer resistance protein, and bacterial ABC transporters), as well as other bacterial drug efflux pumps: major facilitator superfamily (MFS), multidrug and toxic compound extrusion (MATE), small multidrug resistance (SMR) and resistance-nodulation-cell-division (RND) transporters, and glucose transporters. Flavonoids and particularly flavonolignans are therefore highly prospective compounds for defying multidrug resistance.
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Affiliation(s)
- Christopher S Chambers
- Laboratory of Biotransformation , Institute of Microbiology, Czech Academy of Sciences , Vídeňská 1083 , CZ 142 20 Prague , Czech Republic
| | - Jitka Viktorová
- Department of Biochemistry and Microbiology , University of Chemistry and Technology, Prague , Technická 5 , CZ 166 28 , Prague , Czech Republic
| | - Kateřina Řehořová
- Department of Biochemistry and Microbiology , University of Chemistry and Technology, Prague , Technická 5 , CZ 166 28 , Prague , Czech Republic
| | - David Biedermann
- Laboratory of Biotransformation , Institute of Microbiology, Czech Academy of Sciences , Vídeňská 1083 , CZ 142 20 Prague , Czech Republic
| | - Lucie Turková
- Laboratory of Biotransformation , Institute of Microbiology, Czech Academy of Sciences , Vídeňská 1083 , CZ 142 20 Prague , Czech Republic
| | - Tomáš Macek
- Department of Biochemistry and Microbiology , University of Chemistry and Technology, Prague , Technická 5 , CZ 166 28 , Prague , Czech Republic
| | - Vladimír Křen
- Laboratory of Biotransformation , Institute of Microbiology, Czech Academy of Sciences , Vídeňská 1083 , CZ 142 20 Prague , Czech Republic
| | - Kateřina Valentová
- Laboratory of Biotransformation , Institute of Microbiology, Czech Academy of Sciences , Vídeňská 1083 , CZ 142 20 Prague , Czech Republic
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16
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Phytochemicals and Gastrointestinal Cancer: Cellular Mechanisms and Effects to Change Cancer Progression. Biomolecules 2020; 10:biom10010105. [PMID: 31936288 PMCID: PMC7022462 DOI: 10.3390/biom10010105] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Revised: 12/21/2019] [Accepted: 12/23/2019] [Indexed: 02/07/2023] Open
Abstract
Gastrointestinal (GI) cancer is a prevailing global health disease with a high incidence rate which varies by region. It is a huge economic burden on health care providers. GI cancer affects different organs in the body such as the gastric organs, colon, esophagus, intestine, and pancreas. Internal and external factors like smoking, obesity, urbanization, genetic mutations, and prevalence of Helicobacter pylori and Hepatitis B and Hepatitis C viral infections could increase the risk of GI cancer. Phytochemicals are non-nutritive bioactive secondary compounds abundantly found in fruits, grains, and vegetables. Consumption of phytochemicals may protect against chronic diseases like cardiovascular disease, neurodegenerative disease, and cancer. Multiple studies have assessed the chemoprotective effect of selected phytochemicals in GI cancer, offering support to their potential towards reducing the pathogenesis of the disease. The aim of this review was to summarize the current knowledge addressing the anti-cancerous effects of selected dietary phytochemicals on GI cancer and their molecular activities on selected mechanisms, i.e., nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), detoxification enzymes, adenosine monophosphate activated protein kinase (AMPK), wingless-related integration site/β-catenin (wingless-related integration site (Wnt) β-catenin, cell apoptosis, phosphoinositide 3-kinases (PI3K)/ protein kinase B AKT/ mammalian target of rapamycin (mTOR), and mitogen-activated protein kinase (MAPK). In this review phytochemicals were classified into four main categories: (i) carotenoids, including lutein, lycopene, and β-carotene; (ii) proanthocyanidins, including quercetin and ellagic acid; (iii) organosulfur compounds, including allicin, allyl propyl disulphide, asparagusic acid, and sulforaphane; and (iv) other phytochemicals including pectin, curcumins, p-coumaric acid and ferulic acid. Overall, phytochemicals improve cancer prognosis through the downregulation of β-catenin phosphorylation, therefore enhancing apoptosis, and upregulation of the AMPK pathway, which supports cellular homeostasis. Nevertheless, more studies are needed to provide a better understanding of the mechanism of cancer treatment using phytochemicals and possible side effects associated with this approach.
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Yu Q, Li J, Fan L. Effect of Drying Methods on the Microstructure, Bioactivity Substances, and Antityrosinase Activity of Asparagus Stems. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:1537-1545. [PMID: 30689370 DOI: 10.1021/acs.jafc.8b05993] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The impacts of vacuum drying (VD), far-infrared drying (FIRD), hot air drying (HAD), and freeze drying (FD), as representative food drying methods, on structural characterization, bioactive substances, and antityrosinase activity of Asparagus have been assessed. The microstructure characterization by scanning electron microscopy indicated that VD treatment led to serious breaking of the vascular bundle and epithelial cells and provided higher free polyphenol (FP) and bound polyphenol (BP) contents. Besides, the smaller individual molecule (weight and hydroxy and phenolic rings) polyphenols bound to cellulose to a lesser extent than larger molecules, i.e., rutin and quercetin. In contrast, FD extracts possessed lower polyphenol contents but higher saponin and chlorophyll contents. The antityrosinase activity inhibition rates of FD and VD extracts were higher than those of FIRD and HAD for both mono- and diphenolase. The FP extract of VD, which possessed more polyphenolic compounds, had greater antityrosinase activity than BP.
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Affiliation(s)
- Qun Yu
- State Key Laboratory of Food Science & Technology, School of Food Science and Technology , Jiangnan University , 1800 Lihu Avenue , Wuxi , Jiangsu 214122 , People's Republic of China
| | - Jinwei Li
- State Key Laboratory of Food Science & Technology, School of Food Science and Technology , Jiangnan University , 1800 Lihu Avenue , Wuxi , Jiangsu 214122 , People's Republic of China
| | - Liuping Fan
- State Key Laboratory of Food Science & Technology, School of Food Science and Technology , Jiangnan University , 1800 Lihu Avenue , Wuxi , Jiangsu 214122 , People's Republic of China
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Tabaszewska M, Gabor A, Jaworska G, Drożdż I. Effect of fermentation and storage on the nutritional value and contents of biologically-active compounds in lacto-fermented white asparagus (Asparagus officinalis L.). Lebensm Wiss Technol 2018. [DOI: 10.1016/j.lwt.2018.02.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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