... local product in Fujian and Zhejiang. The active ingredients in it are polyphenols, catechine, EGCG and caffeine. Those ingredients make ... be a good antioxidantion, and a popular dietary drink.It’s widely used in instant drink, food additive and cosmetic ... offering high quality white tea extract 10:1 ,china wheat ter,megranate black tea. We have well-trained and experienced staff ...