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. 2021 Aug 9;11(8):528. doi: 10.3390/metabo11080528

Figure 1.

Figure 1

The differentiation of VOC metabolites in five rice varieties. (a) PCA analysis of five rice varieties. The PC1of X-axis and PC2 of Y-axis in the figure represent the scores of the first and second principal components respectively. The scattered points of different colors represent the samples of different rice varieties, and the ellipse is the 95% confidence interval. (b) Venn diagram of VOC metabolites in five rice varieties. (c) Box and whisker plots of the relative level of acetoin in five rice varieties. (d) Box and whisker plots of the relative level of 2-heptanone in five rice varieties. Dao stands for the variety of Daohuaxiang 2, Ye stands for the variety of Yexiangyoulisi, Mei stands for the variety of Meixiangzhan 2, Hu stands for the variety of Huanghuazhan, and Pu stands for the variety of Yanfeng 47.