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Principal component analysis of juice made from six celery cultivars (CL1, CL2, CL26, CL6, CL3, and CL14) using 45 differential volatile compounds as variables. (A) Projection of cultivars; (B) distribution of variables; (C) the explanatory variable (22 compounds) of PC1 and explanatory variable (three compounds) of PC2 (red diamond, load value > 0.8).
