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Chemical and Biological Technologies in Agriculture
Fig. 2 | Chemical and Biological Technologies in Agriculture

Fig. 2

From: Metabolomics reveals the effects producing region and fermentation stage on substance conversion in cigar tobacco leaf

Fig. 2

Differential metabolomics analysis of cigar tobacco leaf from four regions. The loading (A-C) and volcano plots (D–F) from OPLS-DA model of PEF0 compared to LCF0, DHF0 and YXF0. Volcano plots show the differential metabolomics expression levels between PEF0, LCF0, DHF0 and YXF0. The downregulated differentially expressed metabolites and upregulated differentially expressed metabolites are illustrated by green and red spots, respectively; gray spots represent detected metabolites with nonsignificant differences

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