Fig. 1. Loading plot of volatile flavor compounds PCA model from brown rice samples A: Loading plot of PC1 vs. PC2 corresponding to aldehydes PCA model from brown rice samples; B: Loading plot of PC1 vs. PC2 corresponding to alcohols PCA model from brown rice samples; C: Loading plot of PC1 vs. PC2 corresponding to terpenes and esters PCA model from brown rice samples; D: Loading plot of PC1 vs. PC2 corresponding to other compounds PCA model from brown rice samples. The meaning of numbers in the figure is the same as table 1 (e.g. “A1” stands for “Butanal, 3-methyl-”)