Preparation of National Certified Reference Materials of Active Compounds from Natural Products by CCC

摘要

The preparation of 12 National Certified Reference Materials of active compounds from natural products with countercurrent chromatography (CCC) are reported in this paper. They are kaempferol (1), isorhamnetin (2), quercetin (3), icariin (4), epigallocatechin-3-o-gallate (EGCG) (5), epicatechin-3-o-gallate (ECG) (6), gallocatechin-3-o-gallate (GCG) (7), resveratrol (8), piceid (9), 2,3,5,4'-tetra hydroxystibene-2-o-Z)-glucoside (10), puerarin (11), 3'-methoxy-puerarin (12). All of their certified purities were higher than 98%.