(-)-Catechin, isolated from green tea, is an isomer of Catechin having a trans 2S,3R configuration at the chiral center. Catechin inhibits cyclooxygenase-1 (COX-1) with an IC50 of 1.4 μM. References: [1]. Waffo-Téguo P, et al. Potential cancer-chemopreventive activities of wine stilbenoids and flavans extracted from grape (Vitis vinifera) cell cultures. Nutr Cancer. 2001;40(2):173-9.

纯度：≥98%

CAS：18829-70-4