Fig. 2From: A HPLC fingerprint study on Chaenomelis Fructusa The reference fingerprint of Chaenomelis Fructus showing 5 common peaks. b HPLC chromatographic profile of four reference substances Peak 1 quinic acid; Peak 2 malic acid; Peak 3 shikimic acid; Peak 4 protocatechuic acid; Peak 5 chlorogenic acidBack to article page