Current Issue : July-September Volume : 2019 Issue Number : 3 Articles : 1 Articles
Green tea has been considered by the traditional Chinese medicine as a healthful beverage since ancient times. Nowadays, green tea is considered one of the most promising dietary agents for prevention and treatment of many diseases and consequently, it is being studied worldwide. Polyphenols are the major components of green tea. Green tea contains 4 types of catechins; epicatechin (EC), epigallocatechin (EGC), epicatechingallate (EGC), epigallocatechingallate (EGCG), of which the most significant active component is EGCG. This review has much more focus on the biological properties of the GTC’s. The antioxidant properties of green tea are responsible for the improvement of cardiac health, atherosclerosis and other powerful effects on body. Recent human studies have suggested that green tea may contribute to a reduction in the risk of cardiovascular disease and some forms of cancer, as well as to the promotion of oral health and other physiological functions such as antihypertensive effect, body weight control, antibacterial and antiviral, bone mineral density increase, neuroprotective power. The studies show that caffeine and L-theanine have synergistic effects. The synergistic properties of polyphenolic constituents are increasing nowadays that are important in medical benefits....
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