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. 2021 Mar 13;26(6):1602. doi: 10.3390/molecules26061602

Figure 9.

Figure 9

The statistical analysis of the content of eight flavonoids compounds score plot from PCA and OPLS−DA model with Hotelling’s 95% confidence ellipse of the leaves of CS, CA and CK in different harvesting period. (A) PCA in Aug 10–Sep 3 and Sep 3–Sep 30 of CS; (B) OPLS−DA in Aug 10–Sep 3 and Sep 3–Sep 30 of CS; (C) PCA in Aug 10–Sep 17 and Sep 17–Oct 15 of CA; (D) OPLS−DA in Aug 10–Sep 17 and Sep 17–Oct 15 of CA; (E)PCA in Aug 10–Sep 17 and Sep 17–Oct 15 of CK and (F) OPLS−DA in Aug 10–Sep 17 and Sep 17–Oct 15 of CK.