- About this Journal ·
- Abstracting and Indexing ·
- Aims and Scope ·
- Annual Issues ·
- Article Processing Charges ·
- Articles in Press ·
- Author Guidelines ·
- Bibliographic Information ·
- Citations to this Journal ·
- Contact Information ·
- Editorial Board ·
- Editorial Workflow ·
- Free eTOC Alerts ·
- Publication Ethics ·
- Reviewers Acknowledgment ·
- Submit a Manuscript ·
- Subscription Information ·
- Table of Contents
BioMed Research International
Volume 2013 (2013), Article ID 412379, 12 pages
Effectiveness of Green Tea in a Randomized Human Cohort: Relevance to Diabetes and Its Complications
1ANDI Centre of Excellence for Biomedical and Biomaterials Research and Department of Biosciences University of Mauritius, Réduit, Mauritius
2School of Pharmacy and Biomedical Sciences, American University of Health Sciences, Signal Hill, CA 90755, USA
3Cardiac Centre, Sir Seewoosagur Ramgoolam National Hospital, Pamplemousses, Mauritius
4Non-Communicable Diseases Unit, Ministry of Health and Quality of Life, Port Louis, Mauritius
5Department of Biochemistry, Apollo Bramwell Hospital, Moka, Mauritius
6Centre for Clinical Research and Education, Apollo Bramwell Hospital, Moka, Mauritius
7Human Resource Development Council, NG Tower, Ebene, Mauritius
8Department of Occupational Therapy, Touro College of Health Sciences, Bay Shore, NY 11706, USA
9Groupe d'Etude sur l'Inflammation Chronique et l'Obésité, Université de La Réunion, Plate-forme CYROI, Saint Denis, 97400 La Réunion, France
Received 12 April 2013; Revised 17 July 2013; Accepted 7 August 2013
Academic Editor: Yvonne F. Heerkens
Copyright © 2013 Naushad Ali Toolsee et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
- S. Wolfram, “Effects of green tea and EGCG on cardiovascular and metabolic health,” Journal of the American College of Nutrition, vol. 26, no. 4, pp. 373S–388S, 2007.
- A. P. Robertson, “Chronic oxidative stress as a central mechanism for glucose toxicity in pancreatic islet beta cells in diabetes,” The Journal of Biological Chemistry, vol. 279, no. 41, pp. 42351–42354, 2004.
- O. I. Aruoma, V. S. Neergheen, T. Bahorun, and L. Jen, “Free radicals, antioxidants and diabetes: embryopathy, retinopathy, neuropathy, nephropathy and cardiovascular complications,” Neuroembryology and Aging, vol. 4, no. 3, pp. 117–137, 2007.
- H. Kaneto, N. Katakami, D. Kawamori et al., “Involvement of oxidative stress in the pathogenesis of diabetes,” Antioxidants and Redox Signaling, vol. 9, no. 3, pp. 355–366, 2007.
- I. Rudkowska, “Functional foods for health: focus on diabetes,” Maturitas, vol. 62, no. 3, pp. 263–269, 2009.
- A. Rietveld and S. Wiseman, “Antioxidant effects of tea: evidence from human clinical trials,” Journal of Nutrition, vol. 133, no. 10, pp. 3285S–3292S, 2003.
- T. Bahorun, A. Luximon-Ramma, V. S. Neergheen-Bhujun et al., “The effect of black tea on risk factors of cardiovascular disease in a normal population,” Preventive Medicine, vol. 54, Supplement 1, pp. S98–S102, 2012.
- J. A. Vinson, K. Teufel, and N. Wu, “Green and black teas inhibit atherosclerosis by lipid, antioxidant, and fibrinolytic mechanisms,” Journal of Agricultural and Food Chemistry, vol. 52, no. 11, pp. 3661–3665, 2004.
- A. Basu, M. Du, K. Sanchez et al., “Green tea minimally affects biomarkers of inflammation in obese subjects with metabolic syndrome,” Nutrition, vol. 27, no. 2, pp. 206–213, 2011.
- C. Cabrera, R. Artacho, and R. Giménez, “Beneficial effects of green tea—a review,” Journal of the American College of Nutrition, vol. 25, no. 2, pp. 79–99, 2006.
- N. C. Cook and S. Samman, “Flavonoids—chemistry, metabolism, cardioprotective effects, and dietary sources,” Journal of Nutritional Biochemistry, vol. 7, no. 2, pp. 66–76, 1996.
- E. Tedeschi, M. Menegazzi, Y. Yao, H. Suzuki, U. Förstermann, and H. Kleinert, “Green tea inhibits human inducible nitric-oxide synthase expression by down-regulating signal transducer and activator of transcription-1α activation,” Molecular Pharmacology, vol. 65, no. 1, pp. 111–120, 2004.
- R. A. Anderson and M. M. Polansky, “Tea enhances insulin activity,” Journal of Agricultural and Food Chemistry, vol. 50, no. 24, pp. 7182–7186, 2002.
- S. Rhee, M. Kim, and O. Kwag, “Effects of green tea catechin on prostaglandin synthesis of renal glomerular and renal dysfunction in streptozotocin-induced diabetic rats,” Asia Pacific Journal of Clinical Nutrition, vol. 11, no. 3, pp. 232–236, 2002.
- S. Priyadarshi, B. Valentine, C. Han et al., “Effect of green tea extract on cardiac hypertrophy following 5/6 nephrectomy in the rat,” Kidney International, vol. 63, no. 5, pp. 1785–1790, 2003.
- N. Yamabe, T. Yokozawa, T. Oya, and M. Kim, “Therapeutic potential of (-)-epigallocatechin 3-O-gallate on renal damage in diabetic nephropathy model rats,” Journal of Pharmacology and Experimental Therapeutics, vol. 319, no. 1, pp. 228–236, 2006.
- P. D. B. Ribaldo, D. S. Souza, S. K. Biswas, K. Block, J. M. L. De Faria, and J. B. L. De Faria, “Green tea (Camellia sinensis) attenuates nephropathy by downregulating Nox4 NADPH oxidase in diabetic spontaneously hypertensive rats,” Journal of Nutrition, vol. 139, no. 1, pp. 96–100, 2009.
- V. L. Singleton and J. A. Rossi, “Colorimetry of total phenolics with phosphomolybdic-phosphotungstic acid reagents,” American Journal of Enology and Viticulture, vol. 16, pp. 144–158, 1965.
- J. L. Lamaison and A. Carnet, “Main flavonoid levels in flowers and leaves of Crataegus monogyna Jacq. and Crataegus laevigata DC. during the developmental stage,” Plantes Medicinales et Phytotherapie, vol. 25, no. 1, pp. 12–16, 1991.
- L. J. Porter, L. N. Hrstich, and B. G. Chan, “The conversion of procyanidins and prodelphinidins to cyanidin and delphinidin,” Phytochemistry, vol. 25, no. 1, pp. 223–230, 1985.
- H. Wang, K. Helliwell, and X. You, “Isocratic elution system for the determination of catechins, caffeine and gallic acid in green tea using HPLC,” Food Chemistry, vol. 68, no. 1, pp. 115–121, 2000.
- M. Nishikimi, N. Appaji Rao, and K. Yagi, “The occurrence of superoxide anion in the reaction of reduced phenazine methosulfate and molecular oxygen,” Biochemical and Biophysical Research Communications, vol. 46, no. 2, pp. 849–854, 1972.
- D. C. Garratt, The Quantitative Analysis of Drugs, vol. 3, Chapman and Hall, 1964.
- C. Henriquez, C. Aliaga, and E. Lissi, “Formation and decay of the ABTS derived radical cation: a comparison of different preparation procedures,” International Journal of Chemical Kinetics, vol. 34, no. 12, pp. 659–665, 2002.
- I. F. F. Benzie and J. J. Strain, “The ferric reducing ability of plasma (FRAP) as a measure of 'antioxidant power': The FRAP assay,” Analytical Biochemistry, vol. 239, no. 1, pp. 70–76, 1996.
- O. P. Sharma and T. K. Bhat, “DPPH antioxidant assay revisited,” Food Chemistry, vol. 113, no. 4, pp. 1202–1205, 2009.
- L. L. Stookey, “Ferrozine—a new spectrophotometric reagent for iron,” Analytical Chemistry, vol. 42, no. 7, pp. 779–781, 1970.
- L. Wang, M. Bassiri, R. Najafi et al., “Hypochlorous acid as a potential wound care agent: part I. stabilized hypochlorous acid: a component of the inorganic armamentarium of innate immunity,” Journal of Burns and Wounds, vol. 6, pp. 65–79, 2007.
- O. I. Aruoma and B. Halliwell, “Action of hypochlorous acid on the antioxidant protective enzymes superoxide dismutase, catalase and glutathione peroxidase,” Biochemical Journal, vol. 248, no. 3, pp. 973–976, 1987.
- M. Prost, “Process for the determination by means of free radicals of the antioxidant properties of a living organism or a potentially aggressive age,” U.S. patent application 5135850, 1992.
- United States Department of Agriculture and Agricultural Research Service, “USDA National Nutrient Database for Standard Reference, Release 23,” Nutrient Data Laboratory Home Page, http://www.ars.usda.gov/ba/bhnrc/ndl, 2010.
- A. S. Levey, J. P. Bosch, J. B. Lewis, T. Greene, N. Rogers, and D. Roth, “A more accurate method to estimate glomerular filtration rate from serum creatinine: a new prediction equation,” Annals of Internal Medicine, vol. 130, no. 6, pp. 461–470, 1999.
- C. S. Alisi and G. O. C. Onyeze, “Nitric oxide scavenging ability of ethyl acetate fraction of methanolic leaf extracts of Chromolaena odorata (Linn),” African Journal of Biochemistry Research, vol. 2, no. 7, pp. 145–150, 2008.
- R. J. Mahler and M. L. Adler, “Clinical review 102: type 2 diabetes mellitus: update on diagnosis, pathophysiology, and treatment,” Journal of Clinical Endocrinology and Metabolism, vol. 84, no. 4, pp. 1165–1171, 1999.
- F. Thielecke and M. Boschmann, “The potential role of green tea catechins in the prevention of the metabolic syndrome—a review,” Phytochemistry, vol. 70, no. 1, pp. 11–24, 2009.
- A. Luximon-Ramma, V. S. Neergheen, T. Bahorun et al., “Assessment of the polyphenolic composition of the organic extracts of Mauritian black teas: a potential contributor to their antioxidant functions,” BioFactors, vol. 27, no. 1–4, pp. 79–91, 2006.
- H. Raza and A. John, “In vitro protection of reactive oxygen species-induced degradation of lipids, proteins and 2-deoxyribose by tea catechins,” Food and Chemical Toxicology, vol. 45, no. 10, pp. 1814–1820, 2007.
- L. N. Grinberg, H. Newmark, N. Kitrossky, E. Rahamim, M. Chevion, and E. A. Rachmilewitz, “Protective effects of tea polyphenols against oxidative damage to red blood cells,” Biochemical Pharmacology, vol. 54, no. 9, pp. 973–978, 1997.
- C. Hsu, T. Tsai, Y. Kao, K. Hwang, T. Tseng, and P. Chou, “Effect of green tea extract on obese women: a randomized, double-blind, placebo-controlled clinical trial,” Clinical Nutrition, vol. 27, no. 3, pp. 363–370, 2008.
- S. I. Koo and S. K. Noh, “Green tea as inhibitor of the intestinal absorption of lipids: potential mechanism for its lipid-lowering effect,” Journal of Nutritional Biochemistry, vol. 18, no. 3, pp. 179–183, 2007.
- A. G. Dulloo, C. Duret, D. Rohrer et al., “Efficacy of a green tea extract rich in catechin polyphenols and caffeine in increasing 24-h energy expenditure and fat oxidation in humans,” American Journal of Clinical Nutrition, vol. 70, no. 6, pp. 1040–1045, 1999.
- M. A. Potenza, F. L. Marasciulo, M. Tarquinio et al., “EGCG, a green tea polyphenol, improves endothelial function and insulin sensitivity, reduces blood pressure, and protects against myocardial I/R injury in SHR,” American Journal of Physiology, vol. 292, no. 5, pp. E1378–E1387, 2007.
- Y. Huang, A. Zhang, C. Lau, and Z. Chen, “Vasorelaxant effects of purified green tea epicatechin derivatives in rat mesenteric artery,” Life Sciences, vol. 63, no. 4, pp. 275–283, 1998.
- Y. Huang, N. W. K. Chan, C. W. Lau, X. Q. Yao, F. L. Chan, and Z. Y. Chen, “Involvement of endothelium/nitric oxide in vasorelaxation induced by purified green tea (-)epicatechin,” Biochimica et Biophysica Acta, vol. 1427, no. 2, pp. 322–328, 1999.
- R. W. Li, T. D. Douglas, G. K. Maiyoh, K. Adeli, and A. G. Theriault, “Green tea leaf extract improves lipid and glucose homeostasis in a fructose-fed insulin-resistant hamster model,” Journal of Ethnopharmacology, vol. 104, no. 1-2, pp. 24–31, 2006.
- Y. Kobayashi, M. Suzuki, H. Satsu et al., “Green tea polyphenols inhibit the sodium-dependent glucose transporter of intestinal epithelial cells by a competitive mechanism,” Journal of Agricultural and Food Chemistry, vol. 48, no. 11, pp. 5618–5623, 2000.
- H. Tsuneki, M. Ishizuka, M. Terasawa, J. Wu, T. Sasaoka, and I. Kimura, “Effect of green tea on blood glucose levels and serum proteomic patterns in diabetic (db/db) mice and on glucose metabolism in healthy humans,” BMC Pharmacology, vol. 4, article 18, 2004.
- Y. Fukino, M. Shimbo, N. Aoki, T. Okubo, and H. Iso, “Randomized controlled trial for an effect of green tea consumption on insulin resistance and inflammation markers,” Journal of Nutritional Science and Vitaminology, vol. 51, no. 5, pp. 335–342, 2005.
- K. H. Van het Hof, H. S. M. De Boer, S. A. Wiseman, N. Lien, J. A. Weststrate, and L. B. M. Tijburg, “Consumption of green or black tea does not increase resistance of low-density lipoprotein to oxidation in humans,” American Journal of Clinical Nutrition, vol. 66, no. 5, pp. 1125–1132, 1997.
- S. Samman, B. Sandström, M. B. Toft et al., “Green tea or rosemary extract added to foods reduces nonheme-iron absorption,” American Journal of Clinical Nutrition, vol. 73, no. 3, pp. 607–612, 2001.
- E. Kim, S. Ham, M. K. Shigenaga, and O. Han, “Bioactive dietary polyphenolic compounds reduce nonheme iron transport across human intestinal cell monolayers,” Journal of Nutrition, vol. 138, no. 9, pp. 1647–1651, 2008.
- D. N. Sarma, M. L. Barrett, M. L. Chavez et al., “Safety of green tea extracts: a systematic review by the US Pharmacopeia,” Drug Safety, vol. 31, no. 6, pp. 469–484, 2008.
- J. Frank, T. W. George, J. K. Lodge et al., “Daily consumption of an aqueous green tea extract supplement does not impair liver function or alter cardiovascular disease risk biomarkers in healthy men,” Journal of Nutrition, vol. 139, no. 1, pp. 58–62, 2009.
- C. Shen, M. Chyu, B. C. Pence et al., “Green tea polyphenols supplementation and Tai Chi exercise for postmenopausal osteopenic women: safety and quality of life report,” BMC Complementary and Alternative Medicine, vol. 10, article 76, 2010.
- R. D. Perrone, N. E. Madias, and A. S. Levey, “Serum creatinine as an index of renal function: new insights into old concepts,” Clinical Chemistry, vol. 38, no. 10, pp. 1933–1953, 1992.
- G. F. Gates, “Creatinine clearance estimation from serum creatinine values: an analysis of three mathematical models of glomerular function,” American Journal of Kidney Diseases, vol. 5, no. 3, pp. 199–205, 1985.
- A. S. Levey, J. Coresh, E. Balk et al., “National Kidney Foundation Practice Guidelines for Chronic Kidney Disease: evaluation, classification, and stratification,” Annals of Internal Medicine, vol. 139, no. 2, pp. 137–I36, 2003.
- A. S. Levey, K. Eckardt, Y. Tsukamoto et al., “Definition and classification of chronic kidney disease: a position statement from Kidney Disease: improving Global Outcomes (KDIGO)z,” Kidney International, vol. 67, no. 6, pp. 2089–2100, 2005.
- T. Bahorun, A. Luximon-Ramma, T. K. Gunness et al., “Black tea reduces uric acid and C-reactive protein levels in humans susceptible to cardiovascular diseases,” Toxicology, vol. 278, no. 1, pp. 68–74, 2010.
- S. Söderberg, P. Zimmet, J. Tuomilehto et al., “Increasing prevalence of Type 2 diabetes mellitus in all ethnic groups in Mauritius,” Diabetic Medicine, vol. 22, no. 1, pp. 61–68, 2005.