The Effect of Green Tea and Sour Tea on Blood Pressure of Patients with Type 2 Diabetes: A Randomized Clinical Trial

REFERENCES

• Azimi-Nezhad M, Ghayour-Mobarhan M, Parizadeh MR, Safarian M, Esmaeili H, Parizadeh SM, Khodaee G, Hosseini J, Abasalti Z, Hassankhani B, Ferns G. Prevalence of type 2 diabetes mellitus in Iran and its relationship with gender, urbanisation, education, marital status and occupation. Singapore Med J. 2008;49(7):571–576.
   PubMed Web of Science ®Google Scholar
• Bose M, Lambert JD, Ju J, Reuhl KR, Shapses SA, Yang CS. The major green tea polyphenol, (-)-epigallocatechin-3-gallate, inhibits obesity, metabolic syndrome, and fatty liver disease in high-fat-fed mice. J Nutr. 2008;138(9):1677–1683.
   PubMed Web of Science ®Google Scholar
• Brown AL, Lane J, Coverly J, Stocks J, Jackson S, Stephen A, Bluck L, Coward A, Hendrickx H. Effects of dietary supplementation with the green tea polyphenol epigallocatechin-3-gallate on insulin resistance and associated metabolic risk factors: randomized controlled trial. Br J Nutr. 2009;101(6):886–894.
   PubMed Web of Science ®Google Scholar
• Crespy V, Williamson G. A review of the health effects of green tea catechins in in vivo animal models. J Nutr. 2004;134(Suppl 12):3431S–3440S.
   Web of Science ®Google Scholar
• El-Atat F, McFarlane SI, Sowers JR. Diabetes, hypertension, and cardiovascular derangements: pathophysiology and management. Curr Hypertens Rep. 2004;6(3):215–223.
   PubMed Web of Science ®Google Scholar
• Esteghamati A, Gouya MM, Abbasi M, Delavari A, Alikhani S, Alaedini F, Safaie A, Forouzanfar M, Gregg EW. Prevalence of diabetes and impaired fasting glucose in the adult population of Iran: National Survey of Risk Factors for Non-Communicable Diseases of Iran. Diabetes Care. 2008;31(1):96–98.
   PubMed Web of Science ®Google Scholar
• Gardner EJ, Ruxton CH, Leeds AR. Black tea: helpful or harmful? A review of the evidence. Eur J Clin Nutr. 2007;61(1):3–18.
   PubMed Web of Science ®Google Scholar
• Haji FM, Haji TA. The effect of sour tea (Hibiscus sabdariffa) on essential hypertension. J Ethnopharmacol. 1999;65(3):231–236.
   PubMed Web of Science ®Google Scholar
• Herrera-Arellano A, Flores-Romero S, Chavez-Soto MA, Tortoriello J. Effectiveness and tolerability of a standardized extract from Hibiscus sabdariffa in patients with mild to moderate hypertension: a controlled and randomized clinical trial. Phytomedicine. 2004;11(5):375–382.
   PubMed Web of Science ®Google Scholar
• Kearney PM, Whelton M, Reynolds K, Muntner P, Whelton PK, He J. Global burden of hypertension: analysis of worldwide data. Lancet. 2005;365(9455):217–223.
   PubMed Web of Science ®Google Scholar
• Kearney PM, Whelton M, Reynolds K, Whelton PK, He J. Worldwide prevalence of hypertension: a systematic review. J Hypertens. 2004;22(1):11–19.
   PubMed Web of Science ®Google Scholar
• Liang Y-R, Ma S-C, Luo X-Y, Xu J-Y, Wu M-Y, Luo Y-W, Zheng X-Q, Lu J-L. Effects of green tea on blood pressure and hypertension-induced cardiovascular damage in spontaneously hypertensive rat. Food Sci Biotechnol. 2011;20(1): 93–98.
   Web of Science ®Google Scholar
• Mahadevan N, Shivali, Kamboj P. Hibiscus sabdariffa Linn.: an overview. Nat Product Radiance. 2009;8(1):77–83.
   Google Scholar
• McKay DL, Chen CY, Saltzman E, Blumberg JB. Hibiscus sabdariffa L. tea (tisane) lowers blood pressure in prehypertensive and mildly hypertensive adults. J Nutr. 2010;140(2):298–303.
   PubMed Web of Science ®Google Scholar
• Mozaffari-Khosravi H, Jalali-Khanabadi BA, fkhami-Ardekani M, Fatehi F. Effects of sour tea (Hibiscus sabdariffa) on lipid profile and lipoproteins in patients with type II diabetes. J Altern Complement Med. 2009a;15(8):899–903.
   PubMed Web of Science ®Google Scholar
• Mozaffari-Khosravi H, Jalali-Khanabadi BA, fkhami-Ardekani M, Fatehi F, Noori-Shadkam M. The effects of sour tea (Hibiscus sabdariffa) on hypertension in patients with type II diabetes. J Hum Hypertens. 2009b;23(1):48–54.
   PubMed Web of Science ®Google Scholar
• Nagao T, Hase T, Tokimitsu I. A green tea extract high in catechins reduces body fat and cardiovascular risks in humans. Obesity (Silver Spring). 2007;15(6):1473–1483.
   Google Scholar
• Sharma V, Rao LJ. A thought on the biological activities of black tea. Crit Rev Food Sci Nutr. 2009 May;49(5):379–404.
   PubMed Web of Science ®Google Scholar
• Shaw JE, Sicree RA, Zimmet PZ. Global estimates of the prevalence of diabetes for 2010 and 2030. Diabetes Res Clin Pract. 2010;87(1):4–14.
   PubMed Web of Science ®Google Scholar
• Wolfram S. Effects of green tea and EGCG on cardiovascular and metabolic health. J Am Coll Nutr. 2007;26(4):373S–388S.
   PubMed Web of Science ®Google Scholar
• Yuerong L, Jianliang L, Lingyun Z, Shan W, Ying W. Estimation of black tea quality by analysis of chemical composition and colour difference of tea infusions. Food Chem. 2003;80(2):283–290.
   Web of Science ®Google Scholar