All 22 standard compounds used in this study (synephrine, gallic acid, chlorogenic acid, geniposide, peimine, peiminine, albiflorin, paeoniflorin, rutin, narirutin, crocin, naringin, hesperidin, neohesperidin, didymin, quercetin, benzoylpaeoniflorin, paeonol, sinensetin, nobiletin, hepta-3, and alisol B 23-acetate) were supplied by Weikeqi Biotechnology Co., Ltd (Chengdu, China), and the purity were all greater than 98%. UDCA administrated as positive control was supplied by Shanghai Aladdin Biochemical Co., Ltd. (Shanghai, China). ANIT and medical-grade soybean oil were purchased from Shanghai Aladdin Biochemical Co., Ltd. (Shanghai, China). |