Fig. 4

PCA/score plot (A) and OPLS-DA/score plot (B) based on the chemical profiling of 30 samples from different origins and the regional distribution of the corresponding 30 samples (C)
PCA/score plot (A) and OPLS-DA/score plot (B) based on the chemical profiling of 30 samples from different origins and the regional distribution of the corresponding 30 samples (C)