Tea Polyphenols

- Tea could be classified into six sorts: green, yellow, white, oolong, black and dark, according to processing means, fermentation degree as well as oxidation of tea polyphenols. tea is rich in polyphenols (ranging from 20 to 35%), among which catechins are the principle components.

- Tea polyphenols have many health benefits and functionalities, such as antibacterial activity, anti-oxygenation.