Fig. 6From: Integrated chemometric fingerprints of antioxidant activities and HPLC–DAD–CL for assessing the quality of the processed roots of Polygonum multiflorum Thunb. (Heshouwu)PCA Scores plot (a) for HPLC chromatogram data of processed HSW samples. Loadings plot (b) for HPLC chromatogram data of processed HSW samplesBack to article page