GC-IMS-Based Preliminary Analysis of Volatile Flavor Compounds in Ejiao at Different Processing Stages

<div>(a) PCA score chart. (b) PLS-DA score chart. (c) OPLS-DA score chart. (d) Permutation test results of volatile flavor compounds in Ejiao at different processing stages.</div>

Journal of Food Quality

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Figure 5

Figure 5: GC-IMS-Based Preliminary Analysis of Volatile Flavor Compounds in Ejiao at Different Processing Stages 