Figure 2From: Quasi-MSn identification of flavanone 7-glycoside isomers in Da Chengqi Tang by high performance liquid chromatography-tandem mass spectrometryRepresentative HPLC/UV chromatograms of reference standards (A) and DCT (B). The retention times of isonarigin, naringin, hesperetin and neohesperetin were 5.5, 8.0, 9.3 and 10.3 minutes respectively (marked with black triangle).Back to article page