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(a) OPLS-DA scores and (b) loadings plot for the mass spectral data (ion peaks at m/z) of the crude extracts obtained by liquid-liquid partitioning (ChJ = Jordanian; ChE = European). Encircled features in red indicate the discriminating features for the active EtOAc extracts, listed below in Table 2. The R2 and Q2 values were 1.00 and 0.96, respectively.
