Fig. 1From: Radix puerariae extracts ameliorate paraquat-induced pulmonary fibrosis by attenuating follistatin-like 1 and nuclear factor erythroid 2p45-related factor-2 signalling pathways through downregulation of miRNA-21 expressionChromatogram of the chemical reference substances and sample. a Chromatogram of the chemical reference substances. b Chromatogram of various samples: 1, hydroxypuerarin; 2, puerarin; 3, daidzin; 4, genistin; 5, daidzein; 6, genistein; 7, formomonetin; 8, biochanin ABack to article page