Fig. 1From: Bushenhuoxue formula attenuates cartilage degeneration in an osteoarthritic mouse model through TGF-β/MMP13 signalingHPLC chromatographic fingerprint analysis of BSHXF sample. a Mixed reference standard substance. b Peaks 1–5: loganin (2.42 mg/g), amygdalin (4.07 mg/g), pinoresinol diglucoside (0.76 mg/g), liquiritin (0.79 mg/g), cinnamaldehyde (0.16 mg/g). c Reference standard substance. d Peak 6: hydroxysafflor yellow A (0.32 mg/g)Back to article page