Figure 2 | Scientific Reports

Figure 2

From: Unraveling the correlation between microbiota succession and metabolite changes in traditional Shanxi aged vinegar

Figure 2

Principal component analysis (PCA) and hierarchical cluster analysis of bacterial community in the whole fermentation of SAV. (a) PCA score plot of 11 specimens based on metagenomes. The first two principal components (PC1 and PC2) can explain 77.23% of the data variance. (b) Changes in relative abundances of the dominant bacteria in 11 specimens. The color bar represents different abundances. Daqu represents the daqu specimen, AF1d–AF12d represent specimens from 1 day to 12 days of alcohol fermentation, and AAF0d–AAF7d represent specimens from 0 day to 7 days of acetic acid fermentation.

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