Oolong tea does not improve glucose metabolism in non-diabetic adults

European Journal of Clinical Nutrition

Volumn 65, Issue 1, 2011, Pages 87-93

  Baer, D J ^a   Novotny, J A ^a   Harris, G K ^a   Stote, K ^a   Clevidence, B ^a   Rumpler, W V ^a  

^a BELTSVILLE HUMAN NUTRITION RESEARCH CENTER   (United States)

Author keywords

catechin; diabetes; glucose; insulin; oolong tea; polyphenol

Indexed keywords

CATECHIN; GLUCOSE; INSULIN; POLYPHENOL DERIVATIVE; WATER;

ADULT; AREA UNDER THE CURVE; ARTICLE; BEVERAGE; CONTROLLED STUDY; CROSSOVER PROCEDURE; DIET RESTRICTION; DOUBLE BLIND PROCEDURE; FOOD INTAKE; GLUCOSE BLOOD LEVEL; GLUCOSE METABOLISM; HUMAN; HUMAN EXPERIMENT; INSULIN BLOOD LEVEL; MALE; MEAL; NORMAL HUMAN; OOLONG TEA; ORAL GLUCOSE TOLERANCE TEST; TEA;

ADULT; BEVERAGES; BLOOD GLUCOSE; CATECHIN; CROSS-OVER STUDIES; DIABETES MELLITUS, TYPE 2; DIET; DIETARY SUPPLEMENTS; DOUBLE-BLIND METHOD; FASTING; FLAVONOIDS; GLUCOSE TOLERANCE TEST; HUMANS; INSULIN; INTERVENTION STUDIES; MALE; MIDDLE AGED; PHENOLS; SELF REPORT; TEA;

EID: 78651072720     PISSN: 09543007     EISSN: 14765640     Source Type: Journal    
DOI: 10.1038/ejcn.2010.192     Document Type: Article

References (27)

1. Bryans JA, Judd PA, Ellis PR (2007). The effect of consuming instant black tea on postprandial plasma glucose and insulin concentrations in healthy humans. J Am Coll Nutr 26, 471-477.
2. Federation ID (2006). Diabetes Atlas. International Diabetes Federation: Brussels.
3. Fukino Y, Ikeda A, Maruyama K, Aoki N, Okubo T, Iso H (2008). Randomized controlled trial for an effect of green tea-extract powder supplementation on glucose abnormalities. Eur J Clin Nutr 62, 953-960.
4. Grassi D, Mulder TP, Draijer R, Desideri G, Molhuizen HO, Ferri C (2009). Black tea consumption dose-dependently improves flowmediated dilation in healthy males. J Hypertens 27, 774-781.
5. Greenberg JA, Axen KV, Schnoll R, Boozer CN (2005). Coffee, tea and diabetes: The role of weight loss and caffeine. Int J Obes (London) 29, 1121-1129.
6. Haffner SM, Miettinen H, Stern MP (1997). The homeostasis model in the San Antonio Heart Study. Diabetes Care 20, 1087-1092.
7. Higdon JV, Frei B (2003). Tea catechins and polyphenols: Health effects, metabolism, and antioxidant functions. Crit Rev Food Sci Nutr 43, 89-143.
8. Hosoda K, Wang MF, Liao ML, Chuang CK, Iha M, Clevidence B et al. (2003). Antihyperglycemic effect of oolong tea in type 2 diabetes. Diabetes Care 26, 1714-1718.
9. Iso H, Date C, Wakai K, Fukui M, Tamakoshi A (2006). The relationship between green tea and total caffeine intake and risk for self-reported type 2 diabetes among Japanese adults. Ann Intern Med 144, 554-562.
10. Jing Y, Han G, Hu Y, Bi Y, Li L, Zhu D (2009). Tea consumption and risk of type 2 diabetes: A meta-analysis of cohort studies. J Gen Intern Med 24, 557-562.
11. Kyle JA, Morrice PC, McNeill G, Duthie GG (2007). Effects of infusion time and addition of milk on content and absorption of polyphenols from black tea. J Agric Food Chem 55, 4889-4894.
12. Louie JC, Atkinson F, Petocz P, Brand-Miller JC (2008). Delayed effects of coffee, tea and sucrose on postprandial glycemia in lean, young, healthy adults. Asia Pac J Clin Nutr 17, 657-662.
13. MacKenzie T, Comi R, Sluss P, Keisari R, Manwar S, Kim J et al. (2007a). Metabolic and hormonal effects of caffeine: Randomized, double-blind, placebo-controlled crossover trial. Metabolism 56, 1694-1698.
14. MacKenzie T, Leary L, Brooks WB (2007b). The effect of an extract of green and black tea on glucose control in adults with type 2 diabetes mellitus: Double-blind randomized study. Metabolism 56, 1340-1344.
15. Nagao T, Meguro S, Hase T, Otsuka K, Komikado M, Tokimitsu I et al. (2009). A catechin-rich beverage improves obesity and blood glucose control in patients with type 2 diabetes. Obesity (Silver Spring) 17, 310-317.
16. Odegaard AO, Pereira MA, Koh WP, Arakawa K, Lee HP, Yu MC (2008). Coffee, tea, and incident type 2 diabetes: The Singapore Chinese Health Study. Am J Clin Nutr 88, 979-985.
17. Polychronopoulos E, Zeimbekis A, Kastorini CM, Papairakleous N, Vlachou I, Bountziouka V et al. (2008). Effects of black and green tea consumption on blood glucose levels in non-obese elderly men and women from Mediterranean Islands (MEDIS epidemiological study). Eur J Nutr 47, 10-16.
18. Reaven GM (1995). Pathophysiology of insulin resistance in human disease. Physiol Rev 75, 473-486.
19. Rumpler W, Seale J, Clevidence B, Judd J, Wiley E, Yamamoto S et al. (2001). Oolong tea increases metabolic rate and fat oxidation in men. J Nutr 131, 2848-2852.
20. Ryu OH, Lee J, Lee KW, Kim HY, Seo JA, Kim SG et al. (2006). Effects of green tea consumption on inflammation, insulin resistance and pulse wave velocity in type 2 diabetes patients. Diabetes Res Clin Pract 71, 356-358.
21. Salazar-Martinez E,WillettWC, Ascherio A, Manson JE, Leitzmann MF, Stampfer MJ et al. (2004). Coffee consumption and risk for type 2 diabetes mellitus. Ann Intern Med 140, 1-8.
22. Song Y, Manson JE, Buring JE, Sesso HD, Liu S (2005). Associations of dietary flavonoids with risk of type 2 diabetes, and markers of insulin resistance and systemic inflammation in women: A prospective study and cross-sectional analysis. J Am Coll Nutr 24, 376-384.
23. Stote KS, Baer DJ (2008). Tea consumption may improve biomarkers of insulin sensitivity and risk factors for diabetes. J Nutr 138, 1584S-1588S.
24. van Dam RM,Willett WC, Manson JE, Hu FB (2006). Coffee, caffeine, and risk of type 2 diabetes: A prospective cohort study in younger and middle-aged U.S. women. Diabetes Care 29, 398-403.
25. van Dieren S, Uiterwaal CS, van der Schouw YT, van der AD, Boer JM, Spijkerman A et al. (2009). Coffee and tea consumption and risk of type 2 diabetes. Diabetologia 52, 2561-2569.
26. Venables MC, Hulston CJ, Cox HR, Jeukendrup AE (2008). Green tea extract ingestion, fat oxidation, and glucose tolerance in healthy humans. Am J Clin Nutr 87, 778-784.
27. Williams EJ (1949). Experimental designs balanced for the estimation of residual effects of treatments. Australian Journal of Scientific Research Ser. A 2, 149-168.