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Chemical Profile and Hematoprotective Activity of Artisanal Jabuticaba (Plinia jabuticaba) Wine and Derived Extracts. FERMENTATION 2023. [DOI: 10.3390/fermentation9020157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
The alcoholic fermentation of jabuticaba berries (Plinia spp.) originates from a beverage with an intense taste and aroma, popularly known as jabuticaba wine (JW). In addition, polyphenols transferred from fruit peels to the final product turn this beverage into a promising source of bioactive agents. Here, the chemical profile and antioxidant potential of artisanal JW and derivative extracts were determined. Volatile organic compounds were determined by HS-SPME/GC-MS analysis. The wine was dried by lyophilization and subjected to liquid-liquid partitioning (water: ethyl acetate), resulting in three fractions (JWF1-3). ABTS•+ and DPPH•+ scavenging assays were performed to evaluate the antioxidant capacity. In addition, the extracts’ hematoprotective activity was evaluated against oxidative stress. Finally, the extracts were analyzed by LC-HRMS/MS. HS-SPME/GC-MS analysis highlighted 1,8-cineole as the main compound that contributes to the camphor/mint flavor. JWF2 and JWF3 displayed the highest antioxidant capacity. JWF2 stood out for preventing oxidative damage in red blood cells at 7.8 µg·mL−1 The maximal protection of ascorbic acid occurred at 8.8 µg·mL−1. The LC-HRMS/MS analysis allowed the annotation of seventeen compounds, most of them with recognized antioxidant activity such as anthocyanins, catechins, flavanols, and phenolic acids. The results presented herein reinforce JW as a pleasant beverage with bioactive potential.
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Buljeta I, Pichler A, Šimunović J, Kopjar M. Beneficial Effects of Red Wine Polyphenols on Human Health: Comprehensive Review. Curr Issues Mol Biol 2023; 45:782-798. [PMID: 36825997 PMCID: PMC9955827 DOI: 10.3390/cimb45020052] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/12/2023] [Accepted: 01/15/2023] [Indexed: 01/18/2023] Open
Abstract
Polyphenols are secondary plant metabolites synthesized during the development of the grape berry as a response to stress conditions. They are important constituents in red wines that contribute to the sensory properties and antioxidant activity of wines. Due to the development of highly sophisticated analytical devices, it is now possible to characterize the structure of highly polymerized polyphenols and obtain a full polyphenol profile of red wines. Red wine polyphenols include the ones present in grapes as well as new polyphenol products formed during the winemaking process. Among them, the most important groups and their representatives are flavanols (catechin), stilbenes (trans-resveratrol), flavonols (quercetin) and hydroxybenzoic acids (gallic acid). It is known that polyphenols exhibit beneficial effects on human health, such as anti-inflammatory, anticarcinogenic and cardio-protective effects. Many studies have been conducted on the health effects of red wine polyphenols in cancer chemopreventive activities, neuroprotective effects and impact on cardiovascular diseases, gut microbiota in humans, etc. This review will provide major scientific findings on the impact of red wine polyphenols on human health as well as a review of polyphenols present in red wines and their main features.
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Affiliation(s)
- Ivana Buljeta
- Faculty of Food Technology, Josip Juraj Strossmayer University, F. Kuhača 18, 31000 Osijek, Croatia
| | - Anita Pichler
- Faculty of Food Technology, Josip Juraj Strossmayer University, F. Kuhača 18, 31000 Osijek, Croatia
| | - Josip Šimunović
- Department of Food, Bioprocessing and Nutrition Sciences, North Carolina State University, Raleigh, NC 27695, USA
| | - Mirela Kopjar
- Faculty of Food Technology, Josip Juraj Strossmayer University, F. Kuhača 18, 31000 Osijek, Croatia
- Correspondence:
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Espíndola KMM, Varela ELP, de Albuquerque RDFV, Figueiredo RA, dos Santos SM, Malcher NS, da S. Seabra PS, Fonseca ADN, de Azevedo Sousa KM, de Oliveira SBB, Carneiro ADS, Coleman MD, Monteiro MC. Alpha-Lipoic Acid and Its Enantiomers Prevent Methemoglobin Formation and DNA Damage Induced by Dapsone Hydroxylamine: Molecular Mechanism and Antioxidant Action. Int J Mol Sci 2022; 24:ijms24010057. [PMID: 36613503 PMCID: PMC9820452 DOI: 10.3390/ijms24010057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/14/2022] [Accepted: 10/23/2022] [Indexed: 12/24/2022] Open
Abstract
Dapsone (DDS) therapy can frequently lead to hematological side effects, such as methemoglobinemia and DNA damage. In this study, we aim to evaluate the protective effect of racemic alpha lipoic acid (ALA) and its enantiomers on methemoglobin induction. The pre- and post-treatment of erythrocytes with ALA, ALA isomers, or MB (methylene blue), and treatment with DDS-NOH (apsone hydroxylamine) was performed to assess the protective and inhibiting effect on methemoglobin (MetHb) formation. Methemoglobin percentage and DNA damage caused by dapsone and its metabolites were also determined by the comet assay. We also evaluated oxidative parameters such as SOD, GSH, TEAC (Trolox equivalent antioxidant capacity) and MDA (malondialdehyde). In pretreatment, ALA showed the best protector effect in 2.5 µg/mL of DDS-NOH. ALA (1000 µM) was able to inhibit the induced MetHb formation even at the highest concentrations of DDS-NOH. All ALA tested concentrations (100 and 1000 µM) were able to inhibit ROS and CAT activity, and induced increases in GSH production. ALA also showed an effect on DNA damage induced by DDS-NOH (2.5 µg/mL). Both isomers were able to inhibit MetHb formation and the S-ALA was able to elevate GSH levels by stimulating the production of this antioxidant. In post-treatment with the R-ALA, this enantiomer inhibited MetHb formation and increased GSH levels. The pretreatment with R-ALA or S-ALA prevented the increase in SOD and decrease in TEAC, while R-ALA decreased the levels of MDA; and this pretreatment with R-ALA or S-ALA showed the effect of ALA enantiomers on DNA damage. These data show that ALA can be used in future therapies in patients who use dapsone chronically, including leprosy patients.
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Affiliation(s)
- Kaio Murilo Monteiro Espíndola
- Postgraduate Program in Pharmacology and Biochemistry, Faculty of Pharmacy, Federal University of Pará/UFPA, Belém 66075-110, PA, Brazil
| | - Everton Luiz Pompeu Varela
- Postgraduate Program in Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Pará/UFPA, Belém 66075-110, PA, Brazil
| | | | - Rosiane Araújo Figueiredo
- Postgraduate Program in Pharmacology and Biochemistry, Faculty of Pharmacy, Federal University of Pará/UFPA, Belém 66075-110, PA, Brazil
| | - Sávio Monteiro dos Santos
- Postgraduate Program in Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Pará/UFPA, Belém 66075-110, PA, Brazil
| | - Nívea Silva Malcher
- Laboratory Immunology, Microbiology and In Vitro Assays (LABEIM), Faculty of Pharmacy, Federal University of Pará/UFPA, Belém 66075-110, PA, Brazil
| | - Pamela Suelen da S. Seabra
- Laboratory Immunology, Microbiology and In Vitro Assays (LABEIM), Faculty of Pharmacy, Federal University of Pará/UFPA, Belém 66075-110, PA, Brazil
| | - Andréia do Nascimento Fonseca
- Laboratory Immunology, Microbiology and In Vitro Assays (LABEIM), Faculty of Pharmacy, Federal University of Pará/UFPA, Belém 66075-110, PA, Brazil
| | - Karla Marcely de Azevedo Sousa
- Laboratory Immunology, Microbiology and In Vitro Assays (LABEIM), Faculty of Pharmacy, Federal University of Pará/UFPA, Belém 66075-110, PA, Brazil
| | - Susan Beatriz Batista de Oliveira
- Central Laboratory of the State of Pará-CLSP, Belém 66823-010, PA, Brazil
- Postgraduate Program in Neuroscience and Cell Biology, Faculty of Pharmacy, Federal University of Pará/UFPA, Belém 66075-110, PA, Brazil
| | - Agnaldo da Silva Carneiro
- Postgraduate Program in Medicinal Chemistry and Molecular Modeling, Faculty of Pharmacy, Federal University of Pará/UFPA, Belém 66075-110, PA, Brazil
| | - Michael D. Coleman
- College of Health and Life Sciences, Aston University, Aston Triangle, Birmingham B4 7ET, UK
| | - Marta Chagas Monteiro
- Postgraduate Program in Pharmacology and Biochemistry, Faculty of Pharmacy, Federal University of Pará/UFPA, Belém 66075-110, PA, Brazil
- Postgraduate Program in Pharmaceutical Sciences, Faculty of Pharmacy, Federal University of Pará/UFPA, Belém 66075-110, PA, Brazil
- Laboratory Immunology, Microbiology and In Vitro Assays (LABEIM), Faculty of Pharmacy, Federal University of Pará/UFPA, Belém 66075-110, PA, Brazil
- Correspondence:
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O’Farrell F, Jiang X, Aljifri S, Pazoki R. Molecular Alterations Caused by Alcohol Consumption in the UK Biobank: A Mendelian Randomisation Study. Nutrients 2022; 14:2943. [PMID: 35889900 PMCID: PMC9317105 DOI: 10.3390/nu14142943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/28/2022] [Accepted: 07/14/2022] [Indexed: 02/01/2023] Open
Abstract
Alcohol consumption is associated with the development of cardiovascular diseases, cancer, and liver disease. The biological mechanisms are still largely unclear. Here, we aimed to use an agnostic approach to identify phenotypes mediating the effect of alcohol on various diseases. METHODS We performed an agnostic association analysis between alcohol consumption (red and white wine, beer/cider, fortified wine, and spirits) with over 7800 phenotypes from the UK biobank comprising 223,728 participants. We performed Mendelian randomisation analysis to infer causality. We additionally performed a Phenome-wide association analysis and a mediation analysis between alcohol consumption as exposure, phenotypes in a causal relationship with alcohol consumption as mediators, and various diseases as the outcome. RESULTS Of 45 phenotypes in association with alcohol consumption, 20 were in a causal relationship with alcohol consumption. Gamma glutamyltransferase (GGT; β = 9.44; 95% CI = 5.94, 12.93; Pfdr = 9.04 × 10-7), mean sphered cell volume (β = 0.189; 95% CI = 0.11, 0.27; Pfdr = 1.00 × 10-4), mean corpuscular volume (β = 0.271; 95% CI = 0.19, 0.35; Pfdr = 7.09 × 10-10) and mean corpuscular haemoglobin (β = 0.278; 95% CI = 0.19, 0.36; Pfdr = 1.60 × 10-6) demonstrated the strongest causal relationships. We also identified GGT and physical inactivity as mediators in the pathway between alcohol consumption, liver cirrhosis and alcohol dependence. CONCLUSION Our study provides evidence of causality between alcohol consumption and 20 phenotypes and a mediation effect for physical activity on health consequences of alcohol consumption.
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Affiliation(s)
- Felix O’Farrell
- Division of Biomedical Sciences, Department of Life Sciences, College of Health and Life Sciences, Brunel University London, Uxbridge UB8 3PH, UK; (F.O.); (X.J.); (S.A.)
| | - Xiyun Jiang
- Division of Biomedical Sciences, Department of Life Sciences, College of Health and Life Sciences, Brunel University London, Uxbridge UB8 3PH, UK; (F.O.); (X.J.); (S.A.)
| | - Shahad Aljifri
- Division of Biomedical Sciences, Department of Life Sciences, College of Health and Life Sciences, Brunel University London, Uxbridge UB8 3PH, UK; (F.O.); (X.J.); (S.A.)
| | - Raha Pazoki
- Division of Biomedical Sciences, Department of Life Sciences, College of Health and Life Sciences, Brunel University London, Uxbridge UB8 3PH, UK; (F.O.); (X.J.); (S.A.)
- Department of Epidemiology and Biostatistics, School of Public Health, St Mary’s Campus, Norfolk Place, London W2 1PG, UK
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Cairns P, Hamilton L, Racine K, Phetxumphou K, Ma S, Lahne J, Gallagher D, Huang H, Moore AN, Stewart AC. Effects of Hydroxycinnamates and Exogenous Yeast Assimilable Nitrogen on Cider Aroma and Fermentation Performance. JOURNAL OF THE AMERICAN SOCIETY OF BREWING CHEMISTS 2021. [DOI: 10.1080/03610470.2021.1968171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Paulette Cairns
- Department of Food Science and Technology, Virginia Polytechnic Institute and State University, Blacksburg, VA, U.S.A
| | - Leah Hamilton
- Department of Food Science and Technology, Virginia Polytechnic Institute and State University, Blacksburg, VA, U.S.A
| | - Kathryn Racine
- Department of Food Science and Technology, Virginia Polytechnic Institute and State University, Blacksburg, VA, U.S.A
| | - Katherine Phetxumphou
- Department of Food Science and Technology, Virginia Polytechnic Institute and State University, Blacksburg, VA, U.S.A
| | - Sihui Ma
- Department of Food Science and Technology, Virginia Polytechnic Institute and State University, Blacksburg, VA, U.S.A
| | - Jacob Lahne
- Department of Food Science and Technology, Virginia Polytechnic Institute and State University, Blacksburg, VA, U.S.A
| | - Daniel Gallagher
- The Charles E. Via, Jr. Department of Civil & Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA, U.S.A
| | - Haibo Huang
- Department of Food Science and Technology, Virginia Polytechnic Institute and State University, Blacksburg, VA, U.S.A
| | - Amy N. Moore
- Department of Food Science and Technology, Virginia Polytechnic Institute and State University, Blacksburg, VA, U.S.A
| | - Amanda C. Stewart
- Department of Food Science and Technology, Virginia Polytechnic Institute and State University, Blacksburg, VA, U.S.A
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6
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Augusti PR, Conterato GMM, Denardin CC, Prazeres ID, Serra AT, Bronze MR, Emanuelli T. Bioactivity, bioavailability, and gut microbiota transformations of dietary phenolic compounds: implications for COVID-19. J Nutr Biochem 2021; 97:108787. [PMID: 34089819 PMCID: PMC8169570 DOI: 10.1016/j.jnutbio.2021.108787] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 04/28/2021] [Accepted: 05/17/2021] [Indexed: 12/15/2022]
Abstract
The outbreak of mysterious pneumonia at the end of 2019 is associated with widespread research interest worldwide. The coronavirus disease-19 (COVID-19) targets multiple organs through inflammatory, immune, and redox mechanisms, and no effective drug for its prophylaxis or treatment has been identified until now. The use of dietary bioactive compounds, such as phenolic compounds (PC), has emerged as a putative nutritional or therapeutic adjunct approach for COVID-19. In the present study, scientific data on the mechanisms underlying the bioactivity of PC and their usefulness in COVID-19 mitigation are reviewed. In addition, antioxidant, antiviral, anti-inflammatory, and immunomodulatory effects of dietary PC are studied. Moreover, the implications of digestion on the putative benefits of dietary PC against COVID-19 are presented by addressing the bioavailability and biotransformation of PC by the gut microbiota. Lastly, safety issues and possible drug interactions of PC and their implications in COVID-19 therapeutics are discussed.
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Affiliation(s)
- Paula R Augusti
- Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
| | - Greicy M M Conterato
- Laboratório de Fisiologia da Reprodução Animal, Departamento de Agricultura, Biodiversidade e Floresta, Centro de Ciências Rurais, Universidade Federal de Santa Catarina, Campus de Curitibanos, Curitibanos, SC, Brazil
| | | | - Inês D Prazeres
- iBET, Instituto de Biologia Experimental e Tecnológica, Oeiras, Portugal; Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal
| | - Ana Teresa Serra
- iBET, Instituto de Biologia Experimental e Tecnológica, Oeiras, Portugal; Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal
| | - Maria R Bronze
- iBET, Instituto de Biologia Experimental e Tecnológica, Oeiras, Portugal; Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal; iMED, Faculdade de Farmácia da Universidade de Lisboa, Lisboa, Portugal
| | - Tatiana Emanuelli
- Núcleo Integrado de Desenvolvimento em Análises Laboratoriais (NIDAL), Departamento de Tecnologia e Ciência dos Alimentos, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
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7
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Bardyn M, Allard J, Crettaz D, Rappaz B, Turcatti G, Tissot JD, Prudent M. Image- and Fluorescence-Based Test Shows Oxidant-Dependent Damages in Red Blood Cells and Enables Screening of Potential Protective Molecules. Int J Mol Sci 2021; 22:ijms22084293. [PMID: 33924276 PMCID: PMC8074894 DOI: 10.3390/ijms22084293] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 04/09/2021] [Accepted: 04/15/2021] [Indexed: 12/23/2022] Open
Abstract
An increase of oxygen saturation within blood bags and metabolic dysregulation occur during storage of red blood cells (RBCs). It leads to the gradual exhaustion of RBC antioxidant protective system and, consequently, to a deleterious state of oxidative stress that plays a major role in the apparition of the so-called storage lesions. The present study describes the use of a test (called TSOX) based on fluorescence and label-free morphology readouts to simply and quickly evaluate the oxidant and antioxidant properties of various compounds in controlled conditions. Here, TSOX was applied to RBCs treated with four antioxidants (ascorbic acid, uric acid, trolox and resveratrol) and three oxidants (AAPH, diamide and H2O2) at different concentrations. Two complementary readouts were chosen: first, where ROS generation was quantified using DCFH-DA fluorescent probe, and second, based on digital holographic microscopy that measures morphology alterations. All oxidants produced an increase of fluorescence, whereas H2O2 did not visibly impact the RBC morphology. Significant protection was observed in three out of four of the added molecules. Of note, resveratrol induced diamond-shape “Tirocytes”. The assay design was selected to be flexible, as well as compatible with high-throughput screening. In future experiments, the TSOX will serve to screen chemical libraries and probe molecules that could be added to the additive solution for RBCs storage.
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Affiliation(s)
- Manon Bardyn
- Laboratoire de Recherche sur les Produits Sanguins, Transfusion Interrégionale CRS, CH-1066 Epalinges, Switzerland
| | - Jérôme Allard
- Laboratoire de Recherche sur les Produits Sanguins, Transfusion Interrégionale CRS, CH-1066 Epalinges, Switzerland
- Département de Génie Chimique, École Polytechnique de Montréal, Montréal, QC H3C 3A7, Canada
| | - David Crettaz
- Laboratoire de Recherche sur les Produits Sanguins, Transfusion Interrégionale CRS, CH-1066 Epalinges, Switzerland
| | - Benjamin Rappaz
- Biomolecular Screening Facility (BSF), Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Gerardo Turcatti
- Biomolecular Screening Facility (BSF), Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Jean-Daniel Tissot
- Faculté de Biologie et de Médecine, Université de Lausanne, CH-1011 Lausanne, Switzerland
| | - Michel Prudent
- Laboratoire de Recherche sur les Produits Sanguins, Transfusion Interrégionale CRS, CH-1066 Epalinges, Switzerland
- Faculté de Biologie et de Médecine, Université de Lausanne, CH-1011 Lausanne, Switzerland
- Center for Research and Innovation in Clinical Pharmaceutical Sciences, Institute of Pharmaceutical Sciences of Western Switzerland, University of Lausanne, CH-1011 Lausanne, Switzerland
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Koonyosying P, Flemming B, Kusirisin W, Lerttrakarnnon P, Utama‐ang N, Fucharoen S, Srichairatanakool S. Production, iron analysis and consumer perception of functional Thai Sinlek iron rice (
Oryza sativa
) drink. Int J Food Sci Technol 2021. [DOI: 10.1111/ijfs.14828] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Pimpisid Koonyosying
- Oxidative Stress Cluster Department of Biochemistry Faculty of Medicine Chiang Mai University Chiang Mai50200Thailand
| | - Ben Flemming
- Oxidative Stress Cluster Department of Biochemistry Faculty of Medicine Chiang Mai University Chiang Mai50200Thailand
- Department of Earth and Environment Faculty of Science and Engineering School of Natural Sciences University of Manchester ManchesterM13 9PTUK
| | - Winthana Kusirisin
- Department of Family Medicine Faculty of Medicine Chiang Mai University Chiang Mai50200Thailand
| | - Peerasak Lerttrakarnnon
- Department of Family Medicine Faculty of Medicine Chiang Mai University Chiang Mai50200Thailand
| | - Niramon Utama‐ang
- Cluster of High‐Value Products from Thai Rice for Health Faculty of Agro‐Industry Chiang Mai University Chiang Mai50100Thailand
- Division of Product Development Technology Faculty of Agro‐Industry Chiang Mai University Chiang Mai50100Thailand
| | - Suthat Fucharoen
- Thalassemia Research Center Institute of Molecular Biosciences Mahidol University Salaya Campus Nakornpathom70130Thailand
| | - Somdet Srichairatanakool
- Oxidative Stress Cluster Department of Biochemistry Faculty of Medicine Chiang Mai University Chiang Mai50200Thailand
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Makarova K, Sajkowska-Kozielewicz JJ, Zawada K, Olchowik-Grabarek E, Ciach MA, Gogolewski K, Dobros N, Ciechowicz P, Freichels H, Gambin A. Harvest time affects antioxidant capacity, total polyphenol and flavonoid content of Polish St John's wort's (Hypericum perforatum L.) flowers. Sci Rep 2021; 11:3989. [PMID: 33597594 PMCID: PMC7889936 DOI: 10.1038/s41598-021-83409-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 02/02/2021] [Indexed: 11/08/2022] Open
Abstract
The polyphenol content and antioxidant capacity of hyperforin and hypericin-standardized H. perforatum L. extracts may vary due to the harvest time. In this work, ethanol and ethanol-water extracts of air-dried and lyophilized flowers of H. perforatum L., collected throughout a vegetation season in central Poland, were studied. Air-dried flowers extracts had higher polyphenol (371 mg GAE/g) and flavonoid (160 mg CAE/g) content, DPPH radical scavenging (1672 mg DPPH/g), ORAC (5214 µmol TE/g) and FRAP (2.54 mmol Fe2+/g) than lyophilized flowers extracts (238 mg GAE/g, 107 mg CAE/g, 1287 mg DPPH/g, 3313 µmol TE/g and 0.31 mmol Fe2+/g, respectively). Principal component analysis showed that the collection date influenced the flavonoid and polyphenol contents and FRAP of ethanol extracts, and DPPH and ORAC values of ethanol-water extracts. The ethanol extracts with the highest polyphenol and flavonoid content protected human erythrocytes against bisphenol A-induced damage. Both high field and benchtop NMR spectra of selected extracts, revealed differences in composition caused by extraction solvent and raw material collection date. Moreover, we have shown that benchtop NMR can be used to detect the compositional variation of extracts if the assignment of signals is done previously.
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Affiliation(s)
- Katerina Makarova
- Department of Physical Chemistry, Chair of Physical Pharmacy and Bioanalysis, Faculty of Pharmacy With Laboratory Medicine Division, Medical University of Warsaw, Banacha 1, 02-097, Warsaw, Poland.
| | - Joanna J Sajkowska-Kozielewicz
- Department of Physical Chemistry, Chair of Physical Pharmacy and Bioanalysis, Faculty of Pharmacy With Laboratory Medicine Division, Medical University of Warsaw, Banacha 1, 02-097, Warsaw, Poland
| | - Katarzyna Zawada
- Department of Physical Chemistry, Chair of Physical Pharmacy and Bioanalysis, Faculty of Pharmacy With Laboratory Medicine Division, Medical University of Warsaw, Banacha 1, 02-097, Warsaw, Poland
| | - Ewa Olchowik-Grabarek
- Laboratory of Molecular Biophysics, Department of Microbiology and Biotechnology, Faculty of Biology, University of Bialystok, Ciolkowskiego 1J, 15-245, Bialystok, Poland
| | - Michał Aleksander Ciach
- Faculty of Mathematics, Informatics and Mechanics, University of Warsaw, Stefana Banacha 2, 02-097, Warszawa, Poland
- Centre for Statistics, Hasselt University, Diepenbeek, 3590, Limburg, Belgium
| | - Krzysztof Gogolewski
- Faculty of Mathematics, Informatics and Mechanics, University of Warsaw, Stefana Banacha 2, 02-097, Warszawa, Poland
| | - Natalia Dobros
- Department of Physical Chemistry, Chair of Physical Pharmacy and Bioanalysis, Faculty of Pharmacy With Laboratory Medicine Division, Medical University of Warsaw, Banacha 1, 02-097, Warsaw, Poland
| | - Paulina Ciechowicz
- Department of Physical Chemistry, Chair of Physical Pharmacy and Bioanalysis, Faculty of Pharmacy With Laboratory Medicine Division, Medical University of Warsaw, Banacha 1, 02-097, Warsaw, Poland
| | | | - Anna Gambin
- Faculty of Mathematics, Informatics and Mechanics, University of Warsaw, Stefana Banacha 2, 02-097, Warszawa, Poland
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10
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Lee JH, Kim HJ, Jee Y, Jeon YJ, Kim HJ. Antioxidant potential of Sargassum horneri extract against urban particulate matter-induced oxidation. Food Sci Biotechnol 2020; 29:855-865. [PMID: 32523795 DOI: 10.1007/s10068-019-00729-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 11/15/2019] [Accepted: 12/16/2019] [Indexed: 12/18/2022] Open
Abstract
Particulate matter is a major contribution of air pollution and detrimental to human health. The in vitro antioxidant activities of a brown seaweed, Sargassum horneri ethanol extract (SHE) against particulate matter-induced oxidative stress were investigated by measuring 1,1-diphenyl-2-picrylhydrazyl (DPPH) free-radical scavenging activity, hydrogen peroxide (H2O2) scavenging activity, superoxide anion (O2 ·-) inhibition, hydroxyl radical ( · OH) scavenging activity, reducing power, and the metal ion-chelating effect. All in vitro antioxidant activities were increased as the concentration of SHE increased (0-1000 μg/mL). When treated with particulate matter at 0-1000 μg/mL, the DPPH free radical, and H2O2 scavenging activities, reducing power, and metal ion-chelating abilities of SHE were significantly decreased (p < 0.05). These results indicate that Sargassum horneri, which is a rich source of bioactive compounds, can be used as a natural source of antioxidants in the food industries.
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Affiliation(s)
- Ju Hee Lee
- Department of Food Bioengineering, Jeju National University, 102 Jejudaehakno, Jeju, 63243 Republic of Korea
| | - Hyo Jin Kim
- Department of Food Bioengineering, Jeju National University, 102 Jejudaehakno, Jeju, 63243 Republic of Korea
| | - Youngheun Jee
- College of Veterinary Medicine, Jeju National University, Jeju, 63243 Republic of Korea.,Interdisciplinary Graduate Program in Advanced Convergence Technology and Science, Jeju National University, Jeju, Republic of Korea
| | - You-Jin Jeon
- Department of Marine Life Sciences, Jeju National University, Jeju, 63243 Republic of Korea
| | - Hyun Jung Kim
- Department of Food Bioengineering, Jeju National University, 102 Jejudaehakno, Jeju, 63243 Republic of Korea
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11
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Gene expression signature induced by grape intake in healthy subjects reveals wide-spread beneficial effects on peripheral blood mononuclear cells. J Funct Foods 2020. [DOI: 10.1016/j.jff.2019.103705] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
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Gelabert-Rebato M, Martin-Rincon M, Galvan-Alvarez V, Gallego-Selles A, Martinez-Canton M, Vega-Morales T, Wiebe JC, Fernandez-Del Castillo C, Castilla-Hernandez E, Diaz-Tiberio O, Calbet JAL. A Single Dose of The Mango Leaf Extract Zynamite ® in Combination with Quercetin Enhances Peak Power Output During Repeated Sprint Exercise in Men and Women. Nutrients 2019; 11:E2592. [PMID: 31661850 PMCID: PMC6893764 DOI: 10.3390/nu11112592] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 10/21/2019] [Accepted: 10/22/2019] [Indexed: 02/06/2023] Open
Abstract
The mango leaf extract rich in mangiferin Zynamite® improves exercise performance when combined with luteolin or quercetin ingested at least 48 h prior to exercise. To determine whether a single dose of Zynamite® administered 1 h before exercise increases repeated-sprint performance, 20 men and 20 women who were physically active were randomly assigned to three treatments following a double-blind cross-over counterbalanced design. Treatment A, 140 mg of Zynamite®, 140 mg of quercetin, 147.7 mg of maltodextrin, and 420 mg of sunflower lecithin; Treatment B, 140 mg of Zynamite®, 140 mg of quercetin, and 2126 mg of maltodextrin and Treatment C, 2548 mg of maltodextrin (placebo). Subjects performed three Wingate tests interspaced by 4 min and a final 15 s sprint after ischemia. Treatments A and B improved peak power output during the first three Wingates by 2.8% and 3.8%, respectively (treatment x sprint interaction, p = 0.01). Vastus Lateralis oxygenation (NIRS) was reduced, indicating higher O2 extraction (treatment × sprint interaction, p = 0.01). Improved O2 extraction was observed in the sprints after ischemia (p = 0.008; placebo vs. mean of treatments A and B). Blood lactate concentration was 5.9% lower after the ingestion of Zynamite® with quercetin in men (treatment by sex interaction, p = 0.049). There was a higher Vastus Lateralis O2 extraction during 60 s ischemia with polyphenols (treatment effect, p = 0.03), due to the greater muscle VO2 in men (p = 0.001). In conclusion, a single dose of Zynamite® combined with quercetin one hour before exercise improves repeated-sprint performance and muscle O2 extraction and mitochondrial O2. consumption during ischemia. No advantage was obtained from the addition of phospholipids.
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Affiliation(s)
- Miriam Gelabert-Rebato
- Department of Physical Education and Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, 35017 Las Palmas de Gran Canaria, Spain.
- Nektium Pharma, Agüimes, 35118 Las Palmas de Gran Canaria, Spain.
| | - Marcos Martin-Rincon
- Department of Physical Education and Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, 35017 Las Palmas de Gran Canaria, Spain.
| | - Victor Galvan-Alvarez
- Department of Physical Education and Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, 35017 Las Palmas de Gran Canaria, Spain.
| | - Angel Gallego-Selles
- Department of Physical Education and Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, 35017 Las Palmas de Gran Canaria, Spain.
| | - Miriam Martinez-Canton
- Department of Physical Education and Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, 35017 Las Palmas de Gran Canaria, Spain.
| | | | - Julia C Wiebe
- Nektium Pharma, Agüimes, 35118 Las Palmas de Gran Canaria, Spain.
| | - Constanza Fernandez-Del Castillo
- Department of Physical Education and Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, 35017 Las Palmas de Gran Canaria, Spain.
| | - Elizabeth Castilla-Hernandez
- Department of Physical Education and Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, 35017 Las Palmas de Gran Canaria, Spain.
| | - Oriana Diaz-Tiberio
- Department of Physical Education and Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, 35017 Las Palmas de Gran Canaria, Spain.
| | - Jose A L Calbet
- Department of Physical Education and Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Campus Universitario de Tafira s/n, 35017 Las Palmas de Gran Canaria, Spain.
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Marshall AC, Cooper N, Rosu L, Kennett S. Stress-related deficits of older adults' spatial working memory: an EEG investigation of occipital alpha and frontal-midline theta activities. Neurobiol Aging 2018; 69:239-248. [PMID: 29909181 PMCID: PMC6689422 DOI: 10.1016/j.neurobiolaging.2018.05.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 05/14/2018] [Accepted: 05/21/2018] [Indexed: 12/09/2022]
Abstract
Studies highlight cumulative life stress as a significant predictor of accelerated cognitive aging. This study paired electrophysiological with behavioral measures to explore how cumulative stress affects attentional and maintenance processes underpinning working memory retention. We collected electroencephalographic recordings from 60 individuals (30 older, 30 younger) reporting high or low levels of cumulative stress during the performance of a spatial Sternberg task. We measured mid-occipital alpha (8-12 Hz) and frontal-midline theta (4-6 Hz) as indicators of attentional and maintenance processes. Older, high-stress participants' behavioral performance lay significantly below than that of younger adults and low-stress older individuals. Impaired task performance coincided with reduced event-related synchronization in alpha and theta frequency ranges during memory maintenance. Electrophysiological findings suggest that older adults' reduced performance results from a stress-related impact on their ability to retain a stimulus in working memory and inhibit extraneous information from interfering with maintenance. Our results demonstrate the wide-ranging impact of cumulative stress on cognitive health and provide insight into the functional mechanisms disrupted by its influence.
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Affiliation(s)
- Amanda C Marshall
- Department of Psychology, General and Experimental Psychology unit, Ludwig-Maximilians University, Munich, Germany.
| | - Nicholas Cooper
- Centre for Brain Science, University of Essex, Colchester, UK
| | - Livia Rosu
- Centre for Brain Science, University of Essex, Colchester, UK
| | - Steffan Kennett
- Centre for Brain Science, University of Essex, Colchester, UK
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Kim JS. Evaluation of In Vitro Antioxidant Activity of the Water Extract Obtained from Dried Pine Needle ( Pinus densiflora). Prev Nutr Food Sci 2018; 23:134-143. [PMID: 30018892 PMCID: PMC6047870 DOI: 10.3746/pnf.2018.23.2.134] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 03/12/2018] [Indexed: 01/21/2023] Open
Abstract
Antioxidant activities of water extracts obtained from dried pine needle (Pinus densiflora) were measured at 0, 4, 20, 100, 500, 1,000, and 1,200 ppm and compared with those of phenolic compounds of butylated hydroxyanisole, butylated hydroxytoluene, tert-butylhydroquinone, ferulic acid, and α-tocopherol. The activity was determined as the ability to scavenge 1,1-diphenyl-2-picrylhydrazyl radical and hydrogen peroxide, reductive power, and inhibition of lipid peroxidation in a linoleic acid system using the ferric thiocyanate method and thiobarbituric acid method, respectively. Pine needle water extract (PNWE) exhibited antioxidant activity in a concentration-dependent mode at the same parameters mentioned above, and a significant difference (P<0.05) was observed at 1,000 ppm. The protective activity of PNWE as a potent antioxidant in a non-cellular system was compared with that of phenolics at 150.67 μg/mL in the two assays using biological cellular systems, namely 2,2′-azobis(2-amidinopropane) dihydrochloride-initiated hemolysis and Fe2+-induced lipid peroxidation, using rat red blood cells and rat brain homogenate, respectively. The PNWE showed a strong power comparable to those of commercial phenolic compounds in biological systems. These results indicated that the protective activity of PNWE could be due to the presence of naturally-occurring phenolic compounds, which act as potent in vitro antioxidants in both non-cellular and cellular systems.
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Affiliation(s)
- Joo-Shin Kim
- Food & Nutrition Program, Division of Food Science and Culinary Arts, College of Natural Science, Shinhan University, Gyeonggi 11644, Korea
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Morais L, Bosco A, Baptisttiolli L, Torrecilha R, Valadares T, Hoffmann D, Ciarlini P. Hemólise interfere na mensuração dos biomarcadores plasmáticos de estresse oxidativo em cães. ARQ BRAS MED VET ZOO 2018. [DOI: 10.1590/1678-4162-9398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
RESUMO Considerando que, entre todas as fontes de erro analítico, a hemólise é a mais importante na rotina laboratorial, o presente estudo teve como objetivo investigar o efeito da hemólise in vitro sobre os principais biomarcadores plasmáticos de estresse oxidativo mensurados (BPEO) de cães. Para tal, amostras de sangue total de 19 cães clinicamente saudáveis foram hemolisadas em diferentes graus por ação mecânica. Amostras controle contendo baixa concentração de hemoglobina (Hb) no plasma foram comparadas com quatro graus de hemólise (<0,36; 0,36-0,60; 0,61-1,0; 1,1-4g/L Hb). Imediatamente após a hemólise, foram mensuradas as concentrações plasmáticas de ácido úrico (AU), albumina, bilirrubina, gamaglutamiltransferase (GGT), capacidade antioxidante total (TAC) e concentração de oxidante total (TOC). Os erros relativos causados pelos diferentes graus de hemólises foram calculados e confrontados com o erro total aceitável (ETA) e com o limite de erro permitido (LEP) empregados nos programas de controle de qualidade de exames laboratoriais. Foi observado que mesmo pequeno grau de hemólise gera algum erro analítico não aceitável (ETA e/ou LEP) nos BPEO mensurados, exceto na bilirrubina. Foi possível concluir que a hemólise é um fator limitante para avaliação do estresse oxidativo sistêmico mensurado no plasma, podendo causar erros que potencialmente comprometem o diagnóstico clínico.
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Affiliation(s)
- L. Morais
- Universidade Estadual Júlio de Mesquita Filho, Brazil
| | - A.M. Bosco
- Universidade Estadual Júlio de Mesquita Filho, Brazil
| | | | | | | | - D.J. Hoffmann
- Universidade Estadual Júlio de Mesquita Filho, Brazil
| | - P.C. Ciarlini
- Universidade Estadual Júlio de Mesquita Filho, Brazil
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Chiochetta M, Ferreira EJ, Moreira ITDS, Avila RCSD, Oliveira AAD, Busnello FM, Braganhol E, Barschak AG. Green Juice in Human Metabolism: A Randomized Trial. J Am Coll Nutr 2018; 37:1-7. [PMID: 29702027 DOI: 10.1080/07315724.2018.1457458] [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: 01/14/2018] [Accepted: 03/20/2018] [Indexed: 10/17/2022]
Abstract
OBJECTIVE Fruits and vegetables contain many compounds presenting potential antioxidant activity. The objective of this study was to evaluate the effect of a green juice recipe in adult metabolism in order to identify new preventive dietary sources. METHOD This was a single-blind randomized controlled clinical trial. Recruitment and data were, respectively, made and collected at the Universidade Federal de Ciências da Saúde de Porto Alegre. Individuals who met all the inclusion criteria during the period of recruitment were included. Green juice (experimental group) or placebo (control group) were consumed from Monday to Friday between 8 and 9 am, in the amount of 300 mL for 60 days (except Saturdays and Sundays). To verify the effect of green juice on metabolism, the following were evaluated: (a) glycemia, plasma lipid profile, renal and liver functions, redox profile, and antioxidant enzymes; (b) anthropometry; and (c) well-being and anxiety. RESULTS This study included 14 participants in the test group (juice group) and 13 controls (placebo group), with mean ages of 31.07 and 30.15 years, respectively. We did not observe a significant difference between the treatments. Dietary properties of vegetable and fruit juices are an area of significant interest. CONCLUSIONS Together with an analysis of previous works, we suggest that green juice did not cause an improvement in metabolic function and there is a need for further research on this issue, mainly through different interventions and other samples.
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Affiliation(s)
- Marina Chiochetta
- a Departamento de Ciências Básicas da Saúde, Programa de Pós-Graduação em Patologia , Universidade Federal de Ciências da Saúde de Porto Alegre , Porto Alegre , Rio Grande do Sul , Brazil
| | - Eduarda Jardim Ferreira
- b Universidade Federal de Ciências da Saúde de Porto Alegre , Porto Alegre , Rio Grande do Sul , Brazil
| | | | | | - Alcyr Alves de Oliveira
- c Programa de Pós-Graduação em Psicologia, Universidade Federal de Ciências da Saúde de Porto Alegre , Porto Alegre , Rio Grande do Sul , Brazil
| | - Fernanda Michielin Busnello
- d Programa de Pós-Graduação em Ciências da Nutrição, Universidade Federal de Ciências da Saúde de Porto Alegre , Porto Alegre , Rio Grande do Sul , Brazil
| | - Elizandra Braganhol
- e Programa de Pós-Graduação em Biociências, Universidade Federal de Ciências da Saúde de Porto Alegre , Porto Alegre , Rio Grande do Sul , Brazil
| | - Alethéa Gatto Barschak
- a Departamento de Ciências Básicas da Saúde, Programa de Pós-Graduação em Patologia , Universidade Federal de Ciências da Saúde de Porto Alegre , Porto Alegre , Rio Grande do Sul , Brazil
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Extraction, preliminary characterization and antioxidant properties of polysaccharides from the testa of Salicornia herbacea. Carbohydr Polym 2017; 176:99-106. [DOI: 10.1016/j.carbpol.2017.07.047] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2017] [Revised: 06/16/2017] [Accepted: 07/16/2017] [Indexed: 12/11/2022]
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Grape intake reduces thrombin generation and enhances plasma fibrinolysis. Potential role of circulating procoagulant microparticles. J Nutr Biochem 2017; 50:66-73. [PMID: 29040837 DOI: 10.1016/j.jnutbio.2017.08.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Revised: 07/17/2017] [Accepted: 08/28/2017] [Indexed: 12/23/2022]
Abstract
Phytochemicals contained in grapes down-regulate several prothrombotic pathways in vitro. We evaluated the effect of grape consumption on coagulation and fibrinolysis in healthy volunteers. Thirty subjects were enrolled: 20 were given grape (5 g/kg body weight/day for 3 weeks), while 10 served as controls. Blood samples were taken at baseline (T0), at the end of the grape diet (T1) and after 4-week wash-out (T2). Grape intake caused a significant decrease of the procoagulant and inflammatory responses of whole blood and/or mononuclear cells to bacterial lipopolysaccharide at both T1 and T2. At plasma level, grape diet decreased thrombin generation at T1 and T2, largely through a reduction in the number and/or activity of procoagulant microparticles. This anticoagulant effect resulted in the formation of clots that were more susceptible to fibrinolysis, mainly because of a lesser activation of thrombin activatable fibrinolysis inhibitor. No difference in any variables was detected in controls at the time points considered. In conclusion, chronic grape consumption induces sustained anticoagulant and profibrinolytic effects with potential benefits for human health.
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Adekanye B, Arinkoola O, Abioye A, Ade-Omowaye B. Optimization of important production factors of a non-alcoholic beverage from roselle calyx, sorghum stem sheath and local spices. FOOD RESEARCH 2017. [DOI: 10.26656/fr.2017.2(1).218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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20
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Kumar RS, Narasingappa RB, Joshi CG, Girish TK, Danagoudar A. Caesalpinia Crista Linn. Induces Protection against DNA and Membrane Damage. Pharmacogn Mag 2017; 13:S250-S257. [PMID: 28808388 PMCID: PMC5538162 DOI: 10.4103/pm.pm_557_16] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 01/11/2017] [Indexed: 11/16/2022] Open
Abstract
Background: Caesalpinia crista is a medicinal herb used to cure various ailments in subtropical and tropical regions of Southeast Asia. Objective: The objective of this evaluation of C. crista against free radical induced DNA and erythrocyte damage. Materials and Methods: The profiles of polyphenol and flavonoid were quantified through reversed-phase high-performance liquid chromatography. Free radical induced DNA and membrane damage were performed using H2O2 as oxidative agent. Results: The total polyphenol content of C. crista leaf ethyl acetate extract (CcEA) was 94.5 ± 3.8 mg/gGAE, CcME (C. crista leaf methanol extract) was 52.7 ± 2.8 mg/gGAE, and CcWE (C. crista leaf Water extract) was 31.84 ± 1.8 mg/gGAE. Total flavonoid content of CcEA was 60.46 ± 2.3 mg/gQE, CcME was 46.26 ± 1.8 mg/gQE, and CcWE was 20.47 ± 1.1 mg/gQE. The extracts also exhibited good antioxidant activity as confirmed by 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2’-azino-bis (3-ethylbenzthiazoline-6-sulfonic acid), hydroxyl scavenging, reducing power, and total antioxidant assays. Among the three extracts, CcEA and CcME showed better protection against red blood cell (RBC) hemolysis and DNA damage as confirmed by electrophoretic study. Further, Scanning electron micrograph data showed that CcEA revealed the free radical induced structural alterations in RBC. Conclusion: These findings suggest that C. crista contains bioactive molecules and can inhibit oxidative stress and can be source of further study to use this in herbal medicine. SUMMARY ROS are generated under normal biological systems. These ROS generated can be scavenged by endogenous and exogenous cellular mechanisms. Environmental stress, radiation, smoke etc. elevates ROS dramatically. This leads to significant damage to cellular biomolecules like DNA and cell structures. Plants as a large reservoir of drugs for protecting DNA and cell structures from oxidative stress. Polyphenols present in the C. crista extracts acts through several mechanisms to quench free radicals. Extracts exhibited potent antioxidant properties and also protected DNA and cell membrane from oxidative damage. Hence this can be used in herbal medicine for treating oxidative stress mediated diseases.
Abbreviations used: ABTS: 2,2’-azino-bis (3-ethylbenzthiazoline-6-sulfonic acid); CcEA: C. crista leaf ethyl acetate extract; CcME: C. crista leaf methanol extract; CcWE: C. crista leaf Water extract; DPPH: 2,2-diphenyl-1-picrylhydrazyl; GAE: Gallic acid Equivalent; H2O2: Hydrogen Peroxide; QE: Quercetin Equivalent; RNS: Reactive Nitrogen Spevcies; ROS: Reactive Oxygen Species; SEM: Scanning Electron Microscope.
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Affiliation(s)
- R Sunil Kumar
- Department of Biotechnology, College of Agriculture, University of Agriculture Sciences, Bangalore, Hassan, India
| | | | - Chandrashekhar G Joshi
- Department of Studies and Research in Biochemistry, P.G Centre, Mangalore University, Chikka Aluvara, Kodagu, India
| | - Talakatta K Girish
- Department of Biochemistry and Nutrition, Central Food Technological Research Institute, Mysore, Karnataka, India
| | - Ananda Danagoudar
- Department of Studies and Research in Biochemistry, P.G Centre, Mangalore University, Chikka Aluvara, Kodagu, India
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Intracellular antioxidant activities of selected cereal phenolic extracts and mechanisms underlying the protective effects of adlay phenolic extracts on H 2 O 2 -induced oxidative stress in human erythrocytes. J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.01.046] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Arabi M, Ghaedi M, Ostovan A. Synthesis and application of in-situ molecularly imprinted silica monolithic in pipette-tip solid-phase microextraction for the separation and determination of gallic acid in orange juice samples. J Chromatogr B Analyt Technol Biomed Life Sci 2017; 1048:102-110. [DOI: 10.1016/j.jchromb.2017.02.016] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 02/07/2017] [Accepted: 02/12/2017] [Indexed: 11/16/2022]
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Kumar RS, Narasingappa RB, Joshi CG, Girish TK, Prasada Rao UJ, Danagoudar A. Evaluation of Cassia tora Linn. against Oxidative Stress-induced DNA and Cell Membrane Damage. J Pharm Bioallied Sci 2017; 9:33-43. [PMID: 28584491 PMCID: PMC5450468 DOI: 10.4103/0975-7406.206215] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Objective: The present study aims to evaluate antioxidants and protective role of Cassia tora Linn. against oxidative stress-induced DNA and cell membrane damage. Materials and Methods: The total and profiles of flavonoids were identified and quantified through reversed-phase high-performance liquid chromatography. In vitro antioxidant activity was determined using standard antioxidant assays. The protective role of C. tora extracts against oxidative stress-induced DNA and cell membrane damage was examined by electrophoretic and scanning electron microscopic studies, respectively. Results: The total flavonoid content of CtEA was 106.8 ± 2.8 mg/g d.w.QE, CtME was 72.4 ± 1.12 mg/g d.w.QE, and CtWE was 30.4 ± 0.8 mg/g d.w.QE. The concentration of flavonoids present in CtEA in decreasing order: quercetin >kaempferol >epicatechin; in CtME: quercetin >rutin >kaempferol; whereas, in CtWE: quercetin >rutin >kaempferol. The CtEA inhibited free radical-induced red blood cell hemolysis and cell membrane morphology better than CtME as confirmed by a scanning electron micrograph. CtEA also showed better protection than CtME and CtWE against free radical-induced DNA damage as confirmed by electrophoresis. Conclusion: C. tora contains flavonoids and inhibits oxidative stress and can be used for many health benefits and pharmacotherapy.
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Affiliation(s)
- R Sunil Kumar
- Department of Biotechnology, College of Agriculture, University of Agricultural Sciences, Hassan, Bengaluru, Karnataka, India
| | - Ramesh Balenahalli Narasingappa
- Department of Biotechnology, College of Agriculture, University of Agricultural Sciences, Hassan, Bengaluru, Karnataka, India
| | - Chandrashekar G Joshi
- Department of Studies and Research in Biochemistry, P.G Centre, Mangalore University, Chikka Aluvara, Kodagu, Karnataka, India
| | - Talakatta K Girish
- Department of Biochemistry and Nutrition, Central Food Technological Research Institute, Mysore, Karnataka, India
| | - Ummiti Js Prasada Rao
- Department of Biochemistry and Nutrition, Central Food Technological Research Institute, Mysore, Karnataka, India
| | - Ananda Danagoudar
- Department of Studies and Research in Biochemistry, P.G Centre, Mangalore University, Chikka Aluvara, Kodagu, Karnataka, India
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Oleuropein Ameliorates Cisplatin-induced Hematological Damages Via Restraining Oxidative Stress and DNA Injury. Indian J Hematol Blood Transfus 2016; 33:348-354. [PMID: 28824236 DOI: 10.1007/s12288-016-0718-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 08/10/2016] [Indexed: 12/31/2022] Open
Abstract
The prevalence of cancer, in the world is increasing steadily. Despite intense research efforts, no approved therapy is yet available. Cisplatin is a chemotherapeutic drug but induces acute tissue injury. Oleuropein (OLE) is a major phenolic compound and used as a possible natural antioxidant, antimicrobial, and anticancer agent. We hypothesized that antioxidant activity of OLE may decrease cisplatin-induced oxidative stress and prevent to the development of chemotherapeutic complications including abnormality in hematological condition. Male Sprague Dawley rats were used in the experiments. Rats were randomly assigned to one of eight groups: control group; group treated with i.p. injection in a single dose of 7 mg/kg/day cisplatin; groups treated with 50, 100 and 200 mg/kg/day OLE (i.p.); and groups treated with OLE for 3 days starting at 24 h following cisplatin injection. First, hematological assessment was appreciated between control and experimental groups. Second, total oxidative stress (TOS) and total antioxidant capacity (TAC) levels of blood were measured by biochemical studies. In addition to this, oxidative DNA damage was determined by measuring as increases in 8-hydroxy-deoxyguanosine (8-OH-dG) adducts. The treatment with cisplatin elevated the TOS and 8-OH-dG levels that were then reversed by OLE. Reductions in antioxidant capacity with respect to corresponding controls were also restored by OLE treatment. These findings suggest that the OLE treatment against cisplatin-induced toxicity improves the function of blood cells and helps them to survive in the belligerent environment created by free radicals.
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de Athayde Moncorvo Collado A, Dupuy FG, Morero RD, Minahk C. Cholesterol induces surface localization of polyphenols in model membranes thus enhancing vesicle stability against lysozyme, but reduces protection of distant double bonds from reactive-oxygen species. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2016; 1858:1479-87. [DOI: 10.1016/j.bbamem.2016.04.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Revised: 04/01/2016] [Accepted: 04/05/2016] [Indexed: 12/24/2022]
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Rocha-Parra DF, Lanari MC, Zamora MC, Chirife J. “Influence of storage conditions on phenolic compounds stability, antioxidant capacity and colour of freeze-dried encapsulated red wine”. Lebensm Wiss Technol 2016. [DOI: 10.1016/j.lwt.2016.02.038] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Tzounakas VL, Kriebardis AG, Papassideri IS, Antonelou MH. Donor-variation effect on red blood cell storage lesion: A close relationship emerges. Proteomics Clin Appl 2016; 10:791-804. [PMID: 27095294 DOI: 10.1002/prca.201500128] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Revised: 03/24/2016] [Accepted: 04/11/2016] [Indexed: 12/20/2022]
Abstract
Although the molecular pathways leading to the progressive deterioration of stored red blood cells (RBC storage lesion) and the clinical relevance of storage-induced changes remain uncertain, substantial donor-specific variability in RBC performance during storage, and posttransfusion has been established ("donor-variation effect"). In-bag hemolysis and numerous properties of the RBC units that may affect transfusion efficacy have proved to be strongly donor-specific. Donor-variation effect may lead to the production of highly unequal blood labile products even when similar storage strategy and duration are applied. Genetic, undiagnosed/subclinical medical conditions and lifestyle factors that affect RBC characteristics at baseline, including RBC lifespan, energy metabolism, and sensitivity to oxidative stress, are all likely to influence the storage capacity of individual donors' cells, although not evident by the donor's health or hematological status at blood donation. Consequently, baseline characteristics of the donors, such as membrane peroxiredoxin-2 and serum uric acid concentration, have been proposed as candidate biomarkers of storage quality. This review article focuses on specific factors that might contribute to the donor-variation effect and emphasizes the emerging need for using omics-based technologies in association with in vitro and in vivo transfusion models and clinical trials to discover biomarkers of storage quality and posttransfusion recovery in donor blood.
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Affiliation(s)
- Vassilis L Tzounakas
- Department of Cell Biology and Biophysics, Faculty of Biology, NKUA, Athens, Greece
| | - Anastasios G Kriebardis
- Department of Medical Laboratories, Faculty of Health and Caring Professions, Technological and Educational Institute of Athens, Greece
| | | | - Marianna H Antonelou
- Department of Cell Biology and Biophysics, Faculty of Biology, NKUA, Athens, Greece
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Tedesco I, Moccia S, Volpe S, Alfieri G, Strollo D, Bilotto S, Spagnuolo C, Di Renzo M, Aquino RP, Russo GL. Red wine activates plasma membrane redox system in human erythrocytes. Free Radic Res 2016; 50:557-69. [PMID: 26866566 DOI: 10.3109/10715762.2016.1152629] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
In the present study, we report that polyphenols present in red wine obtained by a controlled microvinification process are able to protect human erythrocytes from oxidative stress and to activate Plasma Membrane Redox System (PMRS). Human plasma obtained from healthy subjects was incubated in the presence of whole red wine at a concentration corresponding to 9.13-73 μg/ml gallic acid equivalents to verify the capacity to protect against hypochlorous acid (HOCl)-induced plasma oxidation and to minimize chloramine formation. Red wine reduced hemolysis and chloramine formation induced by HOCl of 40 and 35%, respectively. PMRS present on human erythrocytes transfers electrons from intracellular molecules to extracellular electron acceptors. We demonstrated that whole red wine activated PMRS activity in human erythrocytes isolated from donors in a dose-dependent manner with a maximum at about 70-100 μg/ml gallic acid equivalents. We also showed that red wine increased glutathione (GSH) levels and erythrocytic antioxidant capacity, measured by 2,2-diphenyl-1-picrylhydrazyl (DPPH) quenching assay. Furthermore, we reported that GSH played a crucial role in regulating PMRS activity in erythrocytes. In fact, the effect of iodoacetamide, an alkylating agent that induces depletion of intracellular GSH, was completely counteracted by red wine. Bioactive compounds present in red wine, such as gallic acid, resveratrol, catechin, and quercetin were unable to activate PMRS when tested at the concentrations normally present in aged red wines. On the contrary, the increase of PMRS activity was associated with the anthocyanin fraction, suggesting the capacity of this class of compounds to positively modulate PMRS enzymatic activity.
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Affiliation(s)
- Idolo Tedesco
- a Institute of Food Sciences, National Research Council , Avellino , Italy
| | - Stefania Moccia
- a Institute of Food Sciences, National Research Council , Avellino , Italy
| | - Silvestro Volpe
- b Division of Onco-Hematology , S.G. Moscati Hospital , Avellino , Italy
| | - Giovanna Alfieri
- b Division of Onco-Hematology , S.G. Moscati Hospital , Avellino , Italy
| | | | - Stefania Bilotto
- a Institute of Food Sciences, National Research Council , Avellino , Italy
| | - Carmela Spagnuolo
- a Institute of Food Sciences, National Research Council , Avellino , Italy
| | | | - Rita P Aquino
- d Department of Pharmacy , University of Salerno , Fisciano (SA) , Italy
| | - Gian Luigi Russo
- a Institute of Food Sciences, National Research Council , Avellino , Italy
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Protocols for In Vitro Mass Multiplication and Analysis of Medicinally Important Phenolics of a Salep Orchid, Satyrium nepalense D.Don ("Salam Mishri"). Methods Mol Biol 2016; 1391:1-11. [PMID: 27108306 DOI: 10.1007/978-1-4939-3332-7_1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Satyrium nepalense is a rare and threatened medicinal orchid, populations of which in its native habitats are dwindling because of indiscriminate collections and habitat destruction, thus necessitating the development of methods for its in situ and ex situ conservation. Because of non-endospermous nature of the seeds and the immature embryos at seed dispersal stage, orchids cannot be seed-propagated as other plants. Micropropagation, using plant tissue culture techniques, offers an effective method for the multiplication of orchids. In this chapter, a five-step efficient reproducible protocol for large-scale in vitro multiplication of Satyrium nepalense is described. The first step involves asymbiotic germination of seeds isolated from immature green pods and cultured on Mitra's medium (M) gelled with 0.8 % agar and supplemented with 2 % sucrose and 1 % peptone (hereafter referred to as basal medium, BM). On this medium, seeds start germinating after a week of culture. Protocorms developed from the seeds are sub-cultured on BM fortified with 4 μM kinetin (Kn) after 8 weeks, for shoot differentiation and multiplication. The shoots developed on Kn-supplemented medium are transferred to BM alone for their elongation for the same period. The elongated shoots are transferred to the rooting medium, comprising BM supplemented with 0.5 or 1.0 μM indole-3-butyric acid, for further 8 weeks. The regenerated plantlets are transferred to a potting mix of sand and vermiculite (1:1) for acclimatization. The tubers and leaves excised from both in vitro-developed plants and those from their native habitats are analyzed and compared for the contents and concentration of medicinally important phenolics using high-performance liquid chromatography (HPLC), details of which are provided in this chapter.
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Albuquerque RV, Malcher NS, Amado LL, Coleman MD, dos Santos DC, Borges RS, Valente SAS, Valente VC, Monteiro MC. In Vitro Protective Effect and Antioxidant Mechanism of Resveratrol Induced by Dapsone Hydroxylamine in Human Cells. PLoS One 2015; 10:e0134768. [PMID: 26284371 PMCID: PMC4540410 DOI: 10.1371/journal.pone.0134768] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2015] [Accepted: 06/27/2015] [Indexed: 01/24/2023] Open
Abstract
Dapsone (DDS) hydroxylamine metabolites cause oxidative stress- linked adverse effects in patients, such as methemoglobin formation and DNA damage. This study evaluated the ameliorating effect of the antioxidant resveratrol (RSV) on DDS hydroxylamine (DDS-NHOH) mediated toxicity in vitro using human erythrocytes and lymphocytes. The antioxidant mechanism was also studied using in-silico methods. In addition, RSV provided intracellular protection by inhibiting DNA damage in human lymphocytes induced by DDS-NHOH. However, whilst pretreatment with RSV (10–1000 μM significantly attenuated DDS-NHOH-induced methemoglobinemia, but it was not only significantly less effective than methylene blue (MET), but also post-treatment with RSV did not reverse methemoglobin formation, contrarily to that observed with MET. DDS-NHOH inhibited catalase (CAT) activity and reactive oxygen species (ROS) generation, but did not alter superoxide dismutase (SOD) activity in erythrocytes. Pretreatment with RSV did not alter these antioxidant enzymes activities in erythrocytes treated with DDS-NHOH. Theoretical calculations using density functional theory methods showed that DDS-NHOH has a pro-oxidant effect, whereas RSV and MET have antioxidant effect on ROS. The effect on methemoglobinemia reversion for MET was significantly higher than that of RSV. These data suggest that the pretreatment with resveratrol may decrease heme-iron oxidation and DNA damage through reduction of ROS generated in cells during DDS therapy.
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Affiliation(s)
- Rosyana V. Albuquerque
- Programa de Pós-graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Pará/UFPA, Rua Augusto Corrêa, 01, Bairro Guamá, 66075–110, Belém, PA, Brasil
| | - Nívea S. Malcher
- Faculdade de Farmácia, Universidade Federal do Pará/UFPA, Belém, Pará, Brasil
| | - Lílian L. Amado
- Instituto de Ciências Biológicas, Universidade Federal do Pará/UFPA, Belém, PA, Brasil
| | - Michael D. Coleman
- Mechanisms of Drug Toxicity Group, School of Life and Health Sciences, Aston University, Aston Triangle, Birmingham, B4 7ET, United Kingdom
| | | | - Rosivaldo Sa. Borges
- Programa de Pós-graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Pará/UFPA, Rua Augusto Corrêa, 01, Bairro Guamá, 66075–110, Belém, PA, Brasil
| | | | - Vera C. Valente
- Seção de Parasitologia, Instituto Evandro Chagas, SVS, MS, Pará, Brazil
| | - Marta Chagas Monteiro
- Programa de Pós-graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Pará/UFPA, Rua Augusto Corrêa, 01, Bairro Guamá, 66075–110, Belém, PA, Brasil
- * E-mail:
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Evidence for Grape, Wine and Tea Polyphenols as Modulators of Atherosclerosis and Ischemic Heart Disease in Humans. ACTA ACUST UNITED AC 2015. [DOI: 10.1300/j133v03n03_04] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Pazzini CEF, Colpo AC, Poetini MR, Pires CF, de Camargo VB, Mendez ASL, Azevedo ML, Soares JCM, Folmer V. Effects of Red Wine Tannat on Oxidative Stress Induced by Glucose and Fructose in Erythrocytes in Vitro. Int J Med Sci 2015; 12:478-86. [PMID: 26078708 PMCID: PMC4466512 DOI: 10.7150/ijms.10529] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Accepted: 02/09/2015] [Indexed: 12/01/2022] Open
Abstract
The literature indicates that red wine presents in its composition several substances that are beneficial to health. This study has investigated the antioxidant effects of Tannat red wine on oxidative stress induced by glucose and fructose in erythrocytes in vitro, with the purpose to determine some of its majoritarian phenolic compounds and its antioxidant capacity. Erythrocytes were incubated using different concentrations of glucose and fructose in the presence or absence of wine. From these erythrocytes were determined the production of thiobarbituric acid reactive species (TBARS), glucose consumption, and osmotic fragility. Moreover, quantification of total phenolic, gallic acid, caffeic acid, epicatechin, resveratrol, and DPPH scavenging activity in wine were also assessed. Red wine showed high levels of polyphenols analyzed, as well as high antioxidant potential. Erythrocytes incubated with glucose and fructose had an increase in lipid peroxidation and this was prevented by the addition of wine. The wine increased glucose uptake into erythrocytes and was able to decrease the osmotic fragility of erythrocytes incubated with fructose. Altogether, these results suggest that wine leads to a reduction of the oxidative stress induced by high concentrations of glucose and fructose.
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Affiliation(s)
| | - Ana Ceolin Colpo
- 2. Universidade Federal do Pampa (UNIPAMPA), campus Uruguaiana, BR 472, Km 592, 97500-970, Uruguaiana, Brasil
| | - Márcia Rósula Poetini
- 1. Universidade Federal do Pampa (UNIPAMPA), campus Itaqui, Rua Joaquim de Sá Brito, s/n, 97650-000, Itaqui, Brasil
| | - Cauê Ferreira Pires
- 1. Universidade Federal do Pampa (UNIPAMPA), campus Itaqui, Rua Joaquim de Sá Brito, s/n, 97650-000, Itaqui, Brasil
| | - Vanessa Brum de Camargo
- 2. Universidade Federal do Pampa (UNIPAMPA), campus Uruguaiana, BR 472, Km 592, 97500-970, Uruguaiana, Brasil
| | - Andreas Sebastian Loureiro Mendez
- 3. Universidade Federal do Rio Grande do Sul (UFRGS), Faculdade de Farmácia, Avenida Ipiranga 2752, 90610-000, Porto Alegre-RS, Brazil
| | - Miriane Lucas Azevedo
- 1. Universidade Federal do Pampa (UNIPAMPA), campus Itaqui, Rua Joaquim de Sá Brito, s/n, 97650-000, Itaqui, Brasil
| | - Júlio César Mendes Soares
- 1. Universidade Federal do Pampa (UNIPAMPA), campus Itaqui, Rua Joaquim de Sá Brito, s/n, 97650-000, Itaqui, Brasil
| | - Vanderlei Folmer
- 2. Universidade Federal do Pampa (UNIPAMPA), campus Uruguaiana, BR 472, Km 592, 97500-970, Uruguaiana, Brasil
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Okoko T, Ere D. Reduction of hydrogen peroxide-induced erythrocyte damage by Carica papaya leaf extract. Asian Pac J Trop Biomed 2015; 2:449-53. [PMID: 23569948 DOI: 10.1016/s2221-1691(12)60074-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2011] [Revised: 11/20/2011] [Accepted: 12/19/2011] [Indexed: 10/28/2022] Open
Abstract
OBJECTIVE To investigate the in vitro antioxidant potential of Carica papaya (C. papaya) leaf extract and its effect on hydrogen peroxide-induced erythrocyte damage assessed by haemolysis and lipid peroxidation. METHODS Hydroxyl radical scavenging activities, hydrogen ion scavenging activity, metal chelating activity, and the ferrous ion reducing ability were assessed as antioxidant indices. In the other experiment, human erythrocytes were treated with hydrogen peroxide to induce erythrocyte damage. The extract (at various concentrations) was subsequently incubated with the erythrocytes and later analysed for haemolysis and lipid peroxidation as indices for erythrocyte damage. RESULTS Preliminary investigation of the extract showed that the leaf possessed significant antioxidant and free radical scavenging abilities using in vitro models in a concentration dependent manner (P<0.05). The extract also reduced hydrogen peroxide induced erythrocyte haemolysis and lipid peroxidation significantly when compared with ascorbic acid (P<0.05). The IC50 values were 7.33 mg/mL and 1.58 mg/mL for inhibition of haemolysis and lipid peroxidation, respectively. In all cases, ascorbic acid (the reference antioxidant) possessed higher activity than the extract. CONCLUSIONS The findings show that C. papaya leaves possess significant bioactive potential which is attributed to the phytochemicals which act in synergy. Thus, the leaves can be exploited for pharmaceutical and nutritional purposes.
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Affiliation(s)
- Tebekeme Okoko
- Biochemistry Programme, Department of Chemical Sciences, Niger Delta University, PMB 71, Wilberforce Island, Bayelsa State, Nigeria
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Nicotine-induced reproductive toxicity, oxidative damage, histological changes and haematotoxicity in male rats: The protective effects of green tea extract. ACTA ACUST UNITED AC 2015; 67:253-9. [DOI: 10.1016/j.etp.2015.01.001] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Revised: 10/29/2014] [Accepted: 01/02/2015] [Indexed: 02/01/2023]
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Jin L, Zhang YL, Liang ZX, Zhang XX, Si GC, Niu LX. Phenolic compounds and antioxidant properties of bulb extracts of Lilium leucanthum (Baker) Baker native to China. QUALITY ASSURANCE AND SAFETY OF CROPS & FOODS 2015. [DOI: 10.3920/qas2013.0256] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- L. Jin
- College of Horticulture, Northwest A&F University, No. 3 Taicheng Road, 712100 Yangling, Shaanxi, China P.R
| | - Y.-L. Zhang
- College of Forestry, Northwest A&F University, No. 3 Taicheng Road, 712100 Yangling, Shaanxi, China P.R
| | - Z.-X. Liang
- College of Forestry, Northwest A&F University, No. 3 Taicheng Road, 712100 Yangling, Shaanxi, China P.R
| | - X.-X. Zhang
- College of Forestry, Northwest A&F University, No. 3 Taicheng Road, 712100 Yangling, Shaanxi, China P.R
| | - G.-C. Si
- College of Forestry, Northwest A&F University, No. 3 Taicheng Road, 712100 Yangling, Shaanxi, China P.R
| | - L.-X. Niu
- College of Horticulture, Northwest A&F University, No. 3 Taicheng Road, 712100 Yangling, Shaanxi, China P.R
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Protective effects of black currant (Ribes nigrum L.) extract on hydrogen peroxide-induced damage in lung fibroblast MRC-5 cells in relation to the antioxidant activity. J Funct Foods 2014. [DOI: 10.1016/j.jff.2014.09.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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Chisté RC, Freitas M, Mercadante AZ, Fernandes E. Carotenoids inhibit lipid peroxidation and hemoglobin oxidation, but not the depletion of glutathione induced by ROS in human erythrocytes. Life Sci 2014; 99:52-60. [DOI: 10.1016/j.lfs.2014.01.059] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2013] [Revised: 12/10/2013] [Accepted: 01/17/2014] [Indexed: 11/29/2022]
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Alvarez-Suarez JM, Giampieri F, Tulipani S, Casoli T, Di Stefano G, González-Paramás AM, Santos-Buelga C, Busco F, Quiles JL, Cordero MD, Bompadre S, Mezzetti B, Battino M. One-month strawberry-rich anthocyanin supplementation ameliorates cardiovascular risk, oxidative stress markers and platelet activation in humans. J Nutr Biochem 2013; 25:289-94. [PMID: 24406274 DOI: 10.1016/j.jnutbio.2013.11.002] [Citation(s) in RCA: 214] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2013] [Revised: 08/19/2013] [Accepted: 11/08/2013] [Indexed: 01/19/2023]
Abstract
Strawberries are an important fruit in the Mediterranean diet because of their high content of essential nutrients and beneficial phytochemicals, which seem to exert beneficial effects in human health. Healthy volunteers were supplemented daily with 500 g of strawberries for 1 month. Plasma lipid profile, circulating and cellular markers of antioxidant status, oxidative stress and platelet function were evaluated at baseline, after 30 days of strawberry consumption and 15 days after the end of the study. A high concentration of vitamin C and anthocyanins was found in the fruits. Strawberry consumption beneficially influenced the lipid profile by significantly reducing total cholesterol, low-density lipoprotein cholesterol and triglycerides levels (-8.78%, -13.72% and -20.80%, respectively; P<.05) compared with baseline period, while high-density lipoprotein cholesterol remained unchanged. Strawberry supplementation also significant decreased serum malondialdehyde, urinary 8-OHdG and isoprostanes levels (-31.40%, -29.67%, -27.90%, respectively; P<.05). All the parameters returned to baseline values after the washout period. A significant increase in plasma total antioxidant capacity measured by both ferric reducing ability of plasma and oxygen radical absorbance capacity assays and vitamin C levels (+24.97%, +41.18%, +41.36%, respectively; P<.05) was observed after strawberry consumption. Moreover, the spontaneous and oxidative hemolysis were significant reduced (-31.7% and -39.03%, respectively; P<.05), compared to the baseline point, which remained stable after the washout period. Finally, strawberry intake significant decrease (P<.05) the number of activated platelets, compared to both baseline and washout values. Strawberries consumption improves plasma lipids profile, biomarkers of antioxidant status, antihemolytic defenses and platelet function in healthy subjects, encouraging further evaluation on a population with higher cardiovascular disease risk.
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Affiliation(s)
- José M Alvarez-Suarez
- Dipartimento di Science Cliniche Specialistiche ed Odontostomatologiche, Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy
| | - Francesca Giampieri
- Dipartimento di Science Cliniche Specialistiche ed Odontostomatologiche, Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy; Dipartimento di Scienze Agrarie, Alimentari ed Ambientali, Università Politecnica delle Marche, Ancona, Italy
| | - Sara Tulipani
- Research Laboratory, Virgen de la Victoria Clinical Hospital (IMABIS Foundation), Malaga, Spain
| | - Tiziana Casoli
- Neurobiology of Aging Laboratory, INRCA Scientific Technological Area, Ancona, Italy
| | | | | | | | - Franco Busco
- Analysis Laboratory of INRCA Hospital, Ancona, Italy
| | - Josè L Quiles
- Instituto de Nutrición y Tecnología de los Alimentos Mataix Verdú, Departamento de Fisiología, Universidad de Granada, Granada, Spain
| | - Mario D Cordero
- Departamento de Citología e Histología Normal y Patológica, Facultad de Medicina, Universidad de Sevilla, Spain
| | - Stefano Bompadre
- Dipartimento di Scienze Biomediche e Sanità Pubblica, Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy
| | - Bruno Mezzetti
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali, Università Politecnica delle Marche, Ancona, Italy
| | - Maurizio Battino
- Dipartimento di Science Cliniche Specialistiche ed Odontostomatologiche, Facoltà di Medicina, Università Politecnica delle Marche, Ancona, Italy.
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Ghatak AA, Chaturvedi PA, Desai NS. Indian Grape Wines: A Potential Source of Phenols, Polyphenols, and Antioxidants. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2013. [DOI: 10.1080/10942912.2012.675608] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Aswathanarayanappa C, Bheemappa E, Bodke YD, Krishnegowda PS, Venkata SP, Ningegowda R. Synthesis and evaluation of antioxidant properties of novel 1,2,4-triazole-based schiff base heterocycles. Arch Pharm (Weinheim) 2013; 346:922-30. [PMID: 24301964 DOI: 10.1002/ardp.201300202] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2013] [Revised: 07/27/2013] [Accepted: 08/07/2013] [Indexed: 11/06/2022]
Abstract
A series of 1,2,4-triazole-based Schiff base heterocyclic compounds (5a-f and 8a-i) and phenethylamines (7a-h) were synthesized and evaluated for antioxidant properties by free-radical scavenging, anti-hemolytic activity, lipid peroxidation, and their protective effects against DNA oxidative damage. Compounds 7c, 7d, 7h, 8b, and 8i showed promising DPPH(•) radical scavenging activity with the level of inhibition between 86.8% and 94%. Compounds 8a, 8b, 8d, 8g, and 8i were effective against the oxidative hemolysis of human erythrocytes and lipid peroxidation, in a dose-dependent manner, with IC50 values in the range of 55.7-80.7 and 53.2-81.2 µg/mL, respectively. Compounds 8a and 8b were effective against oxidative damage on erythrocyte ghost membrane proteins, and 8g and 8i were able to protect against DNA oxidative damage.
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Affiliation(s)
- Chandrashekar Aswathanarayanappa
- Department of Studies and Research in Industrial Chemistry, Kuvempu University, Shankaraghatta, Shimoga, Karnataka, India; Biocon Ltd., Bangalore, Karnataka, India
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Tedesco I, Russo M, Bilotto S, Spagnuolo C, Scognamiglio A, Palumbo R, Nappo A, Iacomino G, Moio L, Russo GL. Dealcoholated red wine induces autophagic and apoptotic cell death in an osteosarcoma cell line. Food Chem Toxicol 2013; 60:377-84. [PMID: 23933363 DOI: 10.1016/j.fct.2013.07.078] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2013] [Revised: 07/27/2013] [Accepted: 07/30/2013] [Indexed: 11/24/2022]
Abstract
Until recently, the supposed preventive effects of red wine against cardiovascular diseases, the so-called "French Paradox", has been associated to its antioxidant properties. The interest in the anticancer capacity of polyphenols present in red wine strongly increased consequently to the enormous number of studies on resveratrol. In this study, using lyophilized red wine, we present evidence that its anticancer effect in a cellular model is mediated by apoptotic and autophagic cell death. Using a human osteosarcoma cell line, U2Os, we found that the lyophilized red wine was cytotoxic in a dose-dependent manner with a maximum effect in the range of 100-200 μg/ml equivalents of gallic acid. A mixed phenotype of types I/II cell death was evidenced by means of specific assays following treatment of U2Os with lyophilized red wine, e.g., autophagy and apoptosis. We found that cell death induced by lyophilized red wine proceeded through a mechanism independent from its anti-oxidant activity and involving the inhibition of PI3K/Akt kinase signaling. Considering the relative low concentration of each single bioactive compound in lyophilized red wine, our study suggests the activation of synergistic mechanism able to inhibit growth in malignant cells.
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Affiliation(s)
- I Tedesco
- Istituto Scienze dell'Alimentazione, Consiglio Nazionale delle Ricerche, 83100 Avellino, Italy
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Salini S, Chubicka T, Sasidharan N, Sindhu ER, Babu TD. Cytotoxic and antioxidant properties of selected Scutellaria species from the Western Ghats of Peninsular India. PHARMACEUTICAL BIOLOGY 2013; 51:152-159. [PMID: 23127222 DOI: 10.3109/13880209.2012.715170] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
CONTEXT Scutellaria (Lamiaceae), commonly known as 'Skullcaps', has been extensively used in Traditional Chinese Medicine (TCM). Recently, much emphasis has been given to this genus due to the rich source of bioflavonoids that contribute to its biological properties. Therefore, different species of Scutellaria are being explored worldwide. OBJECTIVES Cytotoxic, antioxidant, and phytochemical properties of Scutellaria colebrookiana Benth and S. violacea (Heyne ex Benth) Don collected (October 2009-February 2010) from Western Ghats of India have been analysed. MATERIALS AND METHODS In vitro cytotoxicity and free radical scavenging effects of root extracts in various solvents were analysed. Spectrophotometric and HPLC methods were performed for phytochemical analysis. RESULTS Chloroform extract exhibited significant cytotoxicity in Dalton's Lymphoma Ascites (DLA) and Ehrlich Ascites Carcinoma (EAC) cells with IC(50) values 150 and 140 µg/mL for S. colebrookiana and 250 and 280 µg/mL for S. violacea, respectively. Moreover, the extract was effective in scavenging free radicals and inhibiting membrane peroxidation in vitro with IC(50) values 158.3 and 167.5 (superoxide), 17.5 and 28.0 (hydroxyl), 76.25 and 69.75 (DPPH), 24.5 and 28.0 (ABTS), 69.75 and 64.6 (lipid peroxidation), 41 and 31.5 µg/mL (erythrocyte hemolysis), respectively. Antioxidant effect observed with acetone extract was also comparable to that of chloroform extract. Phytochemical screening revealed the presence of baicalein. DISCUSSION AND CONCLUSION Scutellaria species of Western Ghats showed cytotoxic and antioxidant potential and the presence of baicalein. This suggests that S. colebrookiana and S. violacea could be used as alternative sources for baicalein in view of the reported scarcity of S. baicalensis.
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Affiliation(s)
- S Salini
- Department of Biochemistry, Amala Cancer Research Centre, Amala Nagar, Thrissur, Kerala, India
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Aengwanich W, Suttajit M. Effect of polyphenols extracted from tamarind (Tamarindus indica L.) seed coat on pathophysiological changes and red blood cell glutathione peroxidase activity in heat-stressed broilers. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2013; 57:137-143. [PMID: 22434485 DOI: 10.1007/s00484-012-0540-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2011] [Revised: 03/01/2012] [Accepted: 03/01/2012] [Indexed: 05/31/2023]
Abstract
The purpose of this study was to determine the effect of polyphenols extracted from the tamarind seed coat (PETSC) on glutathione peroxidase (GPx) activity, red blood cell parameters and bilirubin in heat-stressed broilers. One hundred forty-seven broilers, 18-days old were divided into two groups. In group 1, broilers were maintained at an environmental temperature of 26 ± 2 °C throughout the experimental period. In group 2, the broilers were maintained at 38 ± 2 °C (cyclic temperature: 26 ± 2 °C; -38 ± 2 °C; and -26 ± 2 °C, and broilers were maintained at 38 ± 2 °C for 6 h/ day) and received PETSC at a concentration of 0, 100, 200, 300, 400 or 500 mg/kg in their diet ad libitum. Parameters were investigated on days 1, 7, 14 and 21 of the experimental period. Results showed that GPx activity of heat-stressed broilers that received 100 mg/kg of PETSC in their diet was lower (P < 0.05) than that in broilers fed the other concentrations. The mean total red blood cell count and hemoglobin concentration of heat-stressed broilers that received 100 mg/kg PETSC was higher (P < 0.05) than those in broilers in group 1 and those fed the other concentrations. The mean bilirubin level in the excreta of heat-stressed broilers that received 100 mg/kg of PETSC was lower (P < 0.05) than that in broilers that received 0, 300, 400 and 500 mg/kg of PETSC. This showed that PETSC could reduce GPx activity and bilirubin in feces, and increase red blood cell parameters in heat-stressed broilers.
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Affiliation(s)
- Worapol Aengwanich
- Stress and Oxidative Stress in Animal Research Unit, Faculty of Veterinary Medicine and Animal Science, Mahasarakham University, Maha Sarakham 44000, Thailand.
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Adesanoye OA, Molehin OR, Delima AA, Adefegha AS, Farombi EO. Modulatory effect of methanolic extract ofVernonia amygdalina(MEVA) on tert-butyl hydroperoxide-induced erythrocyte haemolysis. Cell Biochem Funct 2012. [DOI: 10.1002/cbf.2933] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Omolola A. Adesanoye
- Drug Metabolism & Toxicology Research Laboratories, Department of Biochemistry, College of Medicine; University of Ibadan; Ibadan; Nigeria
| | - Olorunfemi R. Molehin
- Drug Metabolism & Toxicology Research Laboratories, Department of Biochemistry, College of Medicine; University of Ibadan; Ibadan; Nigeria
| | - Adetutu A. Delima
- Drug Metabolism & Toxicology Research Laboratories, Department of Biochemistry, College of Medicine; University of Ibadan; Ibadan; Nigeria
| | - Adeniyi S. Adefegha
- Drug Metabolism & Toxicology Research Laboratories, Department of Biochemistry, College of Medicine; University of Ibadan; Ibadan; Nigeria
| | - Ebenezer O. Farombi
- Drug Metabolism & Toxicology Research Laboratories, Department of Biochemistry, College of Medicine; University of Ibadan; Ibadan; Nigeria
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Tedesco I, Spagnuolo C, Russo M, Iannitti R, Nappo A, Russo GL. Protective Effect of γ-Irradiation Against Hypochlorous Acid-Induced Haemolysis in Human Erythrocytes. Dose Response 2012; 11:401-12. [PMID: 23983667 PMCID: PMC3748851 DOI: 10.2203/dose-response.12-025.tedesco] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Radiations may trigger protective response within a threshold of doses applied. Exposures above an upper threshold are generally detrimental, while exposures below a lower threshold may or may not increase risks for health. We recently reported that a cellular protective response occurs in interventional cardiologists to counteract the oxidative damage caused by radiation. Here, we demonstrated in an in vitro model represented by whole blood of healthy donors γ-irradiated with 220-440 mGy, that haemolysis of erythrocytes induced by hypochlorous acid was reduced by 40%. The protection triggered by γ-radiations made erythrocytes more resistant to oxidative insult caused by hypochlorous acid which was induced 3 h after irradiation and involved biochemical changes in the synthesis and turnover of glutathione. Overall, the biochemical remodelling induced by exposure to γ-radiations might contribute to generate new guidelines in professionally exposed workers.
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Affiliation(s)
| | | | - Maria Russo
- Institute of Food Sciences, National Research Council, 83100, Avellino, Italy
| | - Roberta Iannitti
- Institute of Food Sciences, National Research Council, 83100, Avellino, Italy
| | - Annunziata Nappo
- Institute of Food Sciences, National Research Council, 83100, Avellino, Italy
| | - Gian Luigi Russo
- Institute of Food Sciences, National Research Council, 83100, Avellino, Italy
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Duchnowicz P, Bors M, Podsędek A, Koter-Michalak M, Broncel M. Effect of polyphenols extracts from Brassica vegetables on erythrocyte membranes (in vitro study). ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2012; 34:783-790. [PMID: 23044092 DOI: 10.1016/j.etap.2012.09.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2012] [Revised: 08/29/2012] [Accepted: 09/08/2012] [Indexed: 06/01/2023]
Abstract
The aim of this work was to estimate the in vitro effects of polyphenol extracts from Brassica vegetables (Brussels sprouts and red cabbage) on erythrocyte membranes with normal and high concentration of cholesterol. To determine the effect of phenolic compounds we prospectively studied cholesterol concentration, lipid peroxidation, membrane fluidity and ATPase activity. Polyphenol extracts from Brassica vegetables resulted in statistically significant reductions in cholesterol concentrations in hypercholesterolemic erythrocytes. For control erythrocytes, no significant reduction of cholesterol levels was observed for both extracts. Decreases in lipid peroxidation intensity were observed after incubation of hypercholesterolemic erythrocytes with the extracts. No changes in membrane fluidity for both extracts were noted for normal and hypercholesterolemic erythrocytes. The activity of ATPase decreased after incubation of normal and hypercholesterolemic erythrocytes with extract from Brassica vegetables. Our results indicate that polyphenols from red cabbage and Brussels sprout may directly influence erythrocyte membrane properties.
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Affiliation(s)
- Piotr Duchnowicz
- Department of Environment Pollution Biophysics, Faculty of Biology and Environmental Protection, University of Łódź, 141/143 Pomorska St, 90-237 Łódź, Poland.
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Çolak S, Geyikoğlu F, Aslan A, Deniz GY. Effects of lichen extracts on haematological parameters of rats with experimental insulin-dependent diabetes mellitus. Toxicol Ind Health 2012; 30:878-87. [DOI: 10.1177/0748233712466130] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The prevalence of diabetes mellitus in the world is steadily increasing. Oxidative stress contributes to the development of diabetic complications, including diabetic haematological changes. Lichens are used as food supplements and are also used as possible natural antioxidant, antimicrobial and anticancer agents. We hypothesized that antioxidant activity of lichens may decrease hyperglycaemia-induced oxidative stress and prevent the development of diabetic complications, including abnormality in haematological condition. Therefore, the effects of Cetraria islandica water extract (CIWE) and Pseudevernia furfuracea water extract (PFWE) on the haematological parameters of rats with type 1 DM were investigated for the first time in the present study. Control Sprague-Dawley or streptozotocin (STZ)-induced diabetic rats were either untreated or treated with water lichen extracts (5–500 mg/kg body weight (bw)/day) for 2 weeks, starting at 72 h after STZ injection. On day 14, animals were anaesthetized and haematological and metabolic parameters were determined between control and experimental groups. In addition, the total oxidative stress (TOS), a specific indicator of oxidative stress, and the total antioxidant capacity (TAC) were measured by biochemical studies. In diabetic rats, CIWE of 250–500 mg/kg bw dose showed more prominent results when compared with doses of PFWE for TAC. The results obtained in the present study suggested that the antioxidant activities of lichens might be the possible reason behind the observed antihaematological status. However, the protective effect of lichen extracts were inadequate on diabetes-induced microcytic hypochromic anaemia. In addition, the extracts have no effect on metabolic complications. Our experimental data showed that high doses of CIWE and PFWE alone have no detrimental effect on blood cells and TOS status of plasma. Hence, they are safe and suitable for different administration routes.
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Affiliation(s)
- Suat Çolak
- Department of Biology, Faculty of Science and Arts, Artvin Çoruh University, Artvin, Turkey
| | - Fatime Geyikoğlu
- Department of Biology, Faculty of Science, Ataturk University, Erzurum, Turkey
| | - Ali Aslan
- Department of Biology, Kazim Karabekir Education Faculty, Ataturk University, Erzurum, Turkey
| | - Gülşah Yıldız Deniz
- Department of Nursing, Gumuşhane University, Health Services Vocational School, Gumuşhane, Turkey
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Jin L, Zhang Y, Yan L, Guo Y, Niu L. Phenolic compounds and antioxidant activity of bulb extracts of six Lilium species native to China. Molecules 2012; 17:9361-78. [PMID: 22864243 PMCID: PMC6269050 DOI: 10.3390/molecules17089361] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2012] [Revised: 07/24/2012] [Accepted: 07/25/2012] [Indexed: 12/18/2022] Open
Abstract
Lily (Lilium) is used as an important edible and medical plant species with a vague taxonomic classification and a long history in China. Bulbs of six Lilium species (L. regale, L. concolor, L. pumilum, L. leucanthum, L. davidii var. unicolor and L. lancifolium) native to China were investigated with a view to their exploitation as a potential source of natural antioxidants due to their phenolic composition and dietary antioxidant potential. The results showed that all bulb extracts exhibited strong antioxidant activities, which generally correlated positively with the total phenolic contents (r = 0.68 to 0.94), total flavonoid contents (r = 0.51 to 0.89) and total flavanol contents (r = 0.54 to 0.95). High-performance liquid chromatography (HPLC) analysis revealed that rutin and kaempferol were the major phenolic components in the extracts. Hierarchical cluster analysis showed that L. regale belonged to the group with high phenolic content and strong antioxidant power. L. concolor and L. pumilum were arranged in one group characterized by moderate phenolic content and antioxidant capacity, while L. leucanthum, L. davidii var. unicolor and L. lancifolium were clustered in the third group with low phenolic content and weak antioxidant activity. These strongly suggest that lily bulbs may serve as a potential source of natural antioxidant for food and pharmaceutical applications.
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Affiliation(s)
- Lei Jin
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China; E-Mail:
| | - Yanlong Zhang
- College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China; E-Mails: (L.Y.); (Y.G.)
| | - Linmao Yan
- College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China; E-Mails: (L.Y.); (Y.G.)
| | - Yulong Guo
- College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China; E-Mails: (L.Y.); (Y.G.)
| | - Lixin Niu
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China; E-Mail:
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Comparison on phenolic compounds and antioxidant properties of cabernet sauvignon and merlot wines from four wine grape-growing regions in China. Molecules 2012; 17:8804-21. [PMID: 22832882 PMCID: PMC6268136 DOI: 10.3390/molecules17088804] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2012] [Revised: 07/12/2012] [Accepted: 07/16/2012] [Indexed: 11/17/2022] Open
Abstract
The antioxidant activities in the Cabernet Sauvignon and Merlot wines from four wine grape-growing regions in China were measured by different analytical assays: 2,2-diphenyl-1-picrylhydrazyl (DPPH·), cupric reducing antioxidant capacity (CUPRAC), superoxide radical-scavenging activity (SRSA) and the contents of total phenols, total flavonoids, total flavanols and total anthocyanins were determined. The results showed that the contents of phenolic compounds and the levels of antioxidant activity in the wine samples greatly varied with cultivar and environmental factors of vine growth. The contents of phenolic compounds and antioxidant activities in Cabernet Sauvignon and Merlot wines from the Yuquanying region of Ningxia were significantly higher than other three regions, followed by the wines from Shacheng region of Hebei, and these parameters were the lowest in Cabernet Sauvignon and Merlot wines from the Changli regions of Hebei and Xiangning region of Shanxi. Taken together, a close relationship between phenolic subclasses and antioxidant activity was observed for the wine samples. Moreover, there were significant discrepancies in the individual phenolic composition and content of four regional Cabernet Sauvignon and Merlot wines, among which the individual phenolic compounds (catechin, epicatechin, cinnamic acid, quercetin-3-O-glucuronide, quercetin-3-O-glucoside, laricitrin-3-O-glucoside and isorhamnetin-3-O-glucoside) revealed a significant correlation (p < 0.05) with the antioxidant capacity in present study, especially for catechin and epicatechin.
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Wine polyphenols: potential agents in neuroprotection. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2012; 2012:805762. [PMID: 22829964 PMCID: PMC3399511 DOI: 10.1155/2012/805762] [Citation(s) in RCA: 92] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2012] [Revised: 04/20/2012] [Accepted: 04/20/2012] [Indexed: 01/11/2023]
Abstract
There are numerous studies indicating that a moderate consumption of red wine provides certain health benefits, such as the protection against neurodegenerative diseases. This protective effect is most likely due to the presence of phenolic compounds in wine. Wine polyphenolic compounds are well known for the antioxidant properties. Oxidative stress is involved in many forms of cellular and molecular deterioration. This damage can lead to cell death and various neurodegenerative disorders, such as Parkinson's or Alzheimer's diseases. Extensive investigations have been undertaken to determine the neuroprotective effects of wine-related polyphenols. In this review we present the neuroprotective abilities of the major classes of wine-related polyphenols.
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