Comparative antimutagenic and anticlastogenic effects of green tea and black tea: a review

Effects of Herbal Supplements on Drug Glucuronidation. Review of Clinical, Animal, andIn VitroStudies

“…Green tea extract is rich in polyphenolic compounds -mainly catechins. The major green tea catechins are: (−)-epigallocatechin-3-gallate (EGCG), (−)-epicatechin-3-gallate, (−)-epigallocatechin (EGC), (−)-epicatechin, (+)-gallocatechin, and (+)-catechin [82]. EGCG is believed to be the most biologically active and most abundant catechin in green tea extract [83].…”

Diabetes, Oxidative Stress and Tea

“…; but this is not in consistence with the first credible documentary reference on tea which was made in 59 B.C. (Hara, 2001;Gupta et al, 2002).…”

“…Tea (from the plant Camellia Sinensis) is the most popular beverage next to water, consumed by over two-thirds of the world's population. About three billion kilograms of tea are produced and consumed yearly Gupta et al, 2002;Crespy et al, 2004). Regular intake of tea is associated with an improved antioxidant status in vivo conditions that may contribute to the lowering risk of certain types of cancer, coronary heart disease, atherosclerosis, stroke, reduced mutagenicity and inflammation, protection against neurodegenerative diseases and increasing insulin sensitivity (Luximon-Ramma et al, 2005;Alipoor et al, 2011).…”

Modulation of Mutagen-Induced Genotoxicity by two Lesotho Medicinal Plants in Allium cepa L

“…Green tea (non-fermented) is derived directly from drying and steaming of fresh tea leaves (Zuo et al, 2002). Green tea contains mainly polyphenolic catechins such as (-)-epicatechin, (+)-gallocatechin, (+) catechin as well as gallic acid and caffeine, to which some of its beneficial effects have been attributed (Gupta et al, 2002). Camellia sinensis was included in the study so that it could be used for comparative analysis since its phytochemistry, antioxidant activity and biochemistry have been extensively studied (Buřičova & Reblova, 2008).…”