Figure 2From: Chemical changes of Angelicae Sinensis Radix and Chuanxiong Rhizoma by wine treatment: chemical profiling and marker selection by gas chromatography coupled with triple quadrupole mass spectrometryLoading plots of PCA for ASR and CR. (A, B) Loading plots for crude and wine-treated ASR (A) and crude and wine-treated CR (B) using common components as the input data. The PCA was performed on the relative peak areas using SPSS for Windows 16.0 software.Back to article page