otal polyphenols. Catechins is made up of GEC, D, L-C, EGCG, GCG, ECG and so on. Catchins, with rich epigallocatechin gallate, is easy to have some changes such as oxidation, polymer-rization, contraction, so it has the ability to prevent oxidation and remove free radicals.
THE PHYSICAL AND CHEMICAL INDEX:
Its physical state: the powder melts easily in water and alcohol with three colors-pale green, pale yellow and brown.
ITS STABILITY:
Stable in the state of PH4-8, it will go bad if it is store