... has been widely used in food and health care industries.Tea Extract prevents cardio-vascular disease, lowers the risk of cancer ... -oxidation agent used for preserving food and cooking oils. Shanglin Tea Extracts Series: 1)For Dietary supplemen EGCG:15%,30%,40 ... %,50%,60%,70% Catechins:30%,40%,60%,70%,80%,90% Polyphenols:50%,70%,80%,85%,90%,95% 2)For Beverage ...