Isolation and Characterization of Phenolic Compounds from Coptidis Rhizoma

Abstract

Six phenolic compounds were isolated from Coptidis Rhizoma and were identified as 3-(3', 4'-dihydroxyphenyl)-(2R)-lactic acid, 3-(3', 4'-dihydroxyphenyl)-(2R)-lactic acid 4'-O-β-D-glucopyranoside, 3', 4'-dihydroxyphenethyl alcohol 1-O-β-D-glucopyranoside, gentisic acid 5-O-β-D-glucopyranoside, 4-O-feruloyl-D-quinic acid and 5-O-feruloyl-D-quinic acid.