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. 2021 Jul 6;9:710025. doi: 10.3389/fchem.2021.710025

FIGURE 6.

FIGURE 6

Multivariate analyses of the data of S. marginata species for prediction of the seasonally discriminating metabolites. Orthogonal Partial Least Square-Discriminant Analysis (OPLS-DA) score scatter plot of (A) MS-NMR fused data and (C) HRMS data with samples categorized according to the harvest season. OPLS-DA loadings plots with highlighted features of the 15 VIP metabolites of (B) MS-NMR fused data and (D) HRMS data. More scattered samples: Spring (Sm5, Sm11 and SmS); Less scattered samples: Summer (Sm1, Sm6 and Sm12); Autumn (Sm2, Sm3, Sm7 and Sm8); Winter (Sm4, Sm9 and Sm10) and Spring (Sm5, Sm11 and SmS).