... ), C15H14O6(EC)Molecular Weight: 458.4CAS NO.: 989-51-5 (EGCG), 970-74-1(EGC), 1257-08-5 (ECG),490-46 ... %Total Catechins (%) 87.39%EGC0.66%DL-C 0.68%EGCG≥60%62.22%EC 3.53%GCG 2.76%ECG17 ... function 1.strong antioxidant capacity, as natural antioxidants, can scavenge free radicals;2.anti-tumor, inhibition of capillary split lesion sites;3 ...