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Representative UPLC/TOF-MS base peak chromatograms of fractions of Mentha pulegium L. (MP) in negative mode, (A) Methylene chloride fraction (MecH), (B) Ethyl acetate fraction (EtOAc), (C) Butanol fraction (But.) (D) Remaining aqueous fraction (Rem. Aq.). Peak numbers follow metabolites listed in Table 3.
