Fig. 2

A HPLC chromatograms of EF test solution detected at 238 nm. B HPLC chromatograms of EF test solution detected at 194 nm. C HPLC chromatograms of standard solution and EF test solution detected at 238 nm (GA, CA, GE, Qu) and 194 nm (AU). GA geniposidic acid, CA chlorogenic acid, GE geniposide, Ge genipin, PDG pinoresinol diglucoside, Qu quercetin, AU aucubin