Standard substances, namely, ellagic acid, loganic acid, corilagin, oreganol A, kajiichigoside F1, zebirioside O, niga-ichigoside F1, and quadranoside VIII, were purchased from Weikeqi Bio-technology Co. Peduncloside and valerenic acid were obtained from Shanghai Yuanye Bio-Technology Co. Potentillanoside A was supplied by Shanghai Tauto Biotech Co. Medicagenic acid was obtained from Chengdu Biopurify Phytochemicals Co.

Silymarin was purchased from Madaus (Cologne, Germany). The chemical reference standards, gallic acid, corilagin, and ellagic acid were purchased from Sichuan Weikeqi Biological Technology Co., Ltd. (Chengdu, China). Commercial diagnostic kits of alanine aminotransferase (ALT), aspartate aminotransferase (AST), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), and hydroxyproline (Hyp) were obtained from Jiancheng Bioengineering Institute (Nanjing, China).

The reference standard of glucose, gallic acid and corilagin (>98% purity) were purchased from Sichuan Weikeqi Biological Technology Co., Ltd. (Chengdu, China). Methanol and acetonitrile, both HPLC grade, were purchased from Merck. Phosphoric acid and formic acid, HPLC grade, were purchased from Aladin Chemistry Co., Ltd.

The chemical reference standards, gallic acid, chlorogenic acid, methyl gallate, corilagin, chebulagic acid, ellagic acid, and chebulinic acid were provided by Sichuan Weikeqi Biological Technology Co., Ltd. (Chengdu, China). Formic acid (HPLC grade) was bought from Aladdin Industrial Corporation (Shanghai, China). Acetonitrile (HPLC grade) and olive oil