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Principal component analysis (PCA) score plots of different solvent E. foeminea crude extract LC–MS data per injection. (a) negative mode scan; (b) positive mode scan. Ace, acetone extract; DCM/MeOH, dichloromethane/methanol extract; EA, ethyl acetate; EtOH, ethanol; MeOH, methanol. Samples were analyzed in triplicates.
