Abstract
ABSTRACT: The constituents of the hydroethanolic extract ofAzadiractaindicaroot were investigated using ultra-performance liquid chromatography-quadrupole-time-of-flight mass spectrometry (UPLC-QTOOF-MSE). Acute toxicity was evaluated in an experimental animal model. We investigated the antibacterial activities ofA. indicaroots againstSalmonella typhimuriumandStaphylococcus aureusand the antifungal activities against strains ofTrichophyton rubrum, Candida albicansandCandida tropicalis. We identified nine secondary metabolites in the hydroethanolic extract by UPLC-QTOOF-MSE. The extract was highly effective in inhibiting the growth of T. rubrum strains, so it can be effective in combating the dermatophyte tested,but it had no inhibition potential on any bacterial strains orCandidaspecies evaluated. It was possible to infer that the extract had no acute toxicity in relation to the animal model Danio rerio. Therefore, since neem has a high bioactive potential and adapts well to the climate of semiarid regions, growing this species could become a source of income for farmers by its use to produce naturals fungicide and drug, as alternatives to conventional products, which can cause microbiological resistance and/or are toxic to the environment, besides being expensive.
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