1Aoshima A, Hirata S, Ayabe S (2007) Antioxidative and anti-hydrogen peroxide activities of various herbal teas. Food Chem 391: 617-22.
2 Sharangi AB (2009) Medicinal and therapeutic potentialities of tea (Camelia sinensis L.) A review. Food Res Inter 42: 529-35.
3Pan MH, Lai CS, Ho TC (2010) Anti-inflammatory activity of natural dietary flavonoids. Food Funct. 1: 15-31.
4Khan N, Mykhtar H (2007) Tea polyphenols for health promotion. Life Sci. 81: 519-33.
5 Acosta-Estrada BA, Gutierrez-Uribe JA, Serna-Saldivar SO (2014) Bound phenolics in foods, a review. Food Chem. 152: 46-55.
6Wang H, Provan GI, Helliwell K (2000) Tea flavonoids: their functions, utilization and analysis. Trends Food Sci Technol. 11: 152-60.
7Soto-Vaca A, Gutierrez AA, Losso JN, Xu Z, Finley JW (2012) Evolution of phenolic compounds from color and flavor problems to health benefits. J. Agric. Food Chem. 60: 6658-77.
8Spencer JPE, Vauzour D, Rendeiro C (2009) Flavonoids an cognition. The molecular mechanisms underlying their behavioural effects. Arch. Biochem. Biophys. 492: 1-9.
9Santhakumar AB, Bulmer AC, Singh J (2014) A review of the mechanisms and effectiveness of dietary polyphenols in reducing oxidative stress and thrombotic risk. J Hum Nutr Diet 27: 1- 21.
10Pękal A, Drożdż P, Biesaga M, Pyrzynska K (2011) Evaluation of the antioxidant properties of fruit and flavored black tea. Eur. J. Nutr. 50: 681-8.
11 Pękal A, Pyrzynska K (2015) Effect of pH and metal ions on DPPH radical scavenging activity of tea. Inter J Food Sci Nutr. 66: 58-62.
12 Li S, Lo CY, Pan MH, Lai CS, Ho CT (2013) Black tea: chemical analysis and stability. Food Funct. 4: 10-18.
13 Lambert JD, Elias RJ (2010) The antioxidant and pro-oxidant activities of green tea polyphenols: A role in cancer prevention. Arch. Biochem. Biophys. 501: 65-72.
14Jung UJ, Lee MK, Jeong KS, Choi MS (2004) The hypoglycemic effects of hesperidin and naringin are partly mediated by hepatic glucose-regulating enzymes in C57BL/KsJ-db/db mice. J Nutrit 134: 2499-503.
15 Everette JD, Bryant QM, Green AM, Abbey YA, Wangila GW, et al. (2010) Through study of reactivity of various compound classes toward the Folin-Ciocalteu reagent. J Agric Food Chem. 58: 8139-44.
16Castro-Alves VC, Cordenunsi BR (2015) Total soluble phenolic compounds quantification is not as simple as it seems. Food Anal Meth. 8: 873-84.
17Mishra K, Ojha H, Chaudhury NK (2012) Estimation of antiradical properties of antioxidants using DPPH assay: A critical review and results. Food Chem. 130: 1036-43.
18 Pyrzynska K, Pękal A (2013) Application of free radical diphenylpicrylhydrazyl (DPPH) to estimate the antioxidant capacity of food samples. Anal Meth. 5: 4288-95.
19 Blois MS (1958) Antioxidant determination by the use of a stable free radical. Nature 181: 1199-200.
20Dawidowicz AL, Olszowy M (2012) Mechanism change in estimating of antioxidant activity of phenolic compounds. Talanta 97: 312-7.