Multivariate Statistical Analysis Uncovers Spectrum–Effect Relationship between HPLC Fingerprints and Antioxidant Activity of Saffron

Figure 8

The coefficients of the partial least squares regression analysis of DPPH and ∙OH radical-scavenging capacity (a, c) and the VIP values of the partial least squares regression analysis of DPPH and ∙OH radical-scavenging capacity (b, d).

(a)

(b)

(c)

(d)