Fig. 3: Difference analysis of CGE with different aging years. | npj Science of Food

Fig. 3: Difference analysis of CGE with different aging years.

From: Key metabolic pathways of the aging process of Citri Grandis Exocarpium and its identified potential metabolites associated with antioxidant activity

Fig. 3

Scores scatter plot of the PCA model with A CG1 vs. CG3, D CG1 vs. CG5, G CG3 vs. CG5; Scatter plot scores of the OPLS-DA model with B CG1 vs. CG3, E CG1 vs. CG5, H CG3 vs. CG5; In the scatter plot of PCA model, the horizontal value indicates the anticipated principal component score of the first principal component, whereas the vertical coordinate indicates the orthogonal principal component score. Permutation test of OPLS-DA model with C CG1 vs. CG3, F CG1 vs. CG5, I CG3 vs. CG5. In the permutation test of OPLS-DA model, the horizontal coordinate represents model accuracy, the vertical coordinate represents the frequency of occurrence of the model’s classification effect, and the R2Y and Q2 values represent the model’s interpretability of the Y variable and predictability, respectively. CG1: CGE aging for 1 year, CG3: CGE aging for 3 years, CG5: CGE aging for 5 years.

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