Modern medical research shows many benefits of green tea for health. Most of the benefits related to polyphenols, a powerful antioxidant phytochemical that gives a bitter taste of green tea. There are four primary polyphenols found in the tea leaves,i.e. Epigallocathecin Gallate (EGCG), Epigallocatechin (EGC), Epicatechin Gallate (ECG), and Epicatechin (EC). Recently, researchers have focused amino acid of tea called theanine. Theanine (also called L-Theanine) is a primary amino acid in green tea leaves which gives a distinctive flavor tea.
Here are the benefits of green tea
