Fig. 1From: Combination of Pelargonium sidoides and Coptis chinensis root inhibits nuclear factor kappa B-mediated inflammatory response in vitro and in vivoAnalysis of compounds in a mixture of Pelargonium sidoides and Coptis chinensis root (PS + CR) by ultra-performance liquid chromatography (UPLC). UPLC chromatograms of standard compounds; epicatechin: 230 nm, berberine: 345 nm. a standard compounds. b PS + CR extractsBack to article page