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ANTIFUNGAL ACTIVITY OF NEEM AGAINST DERMATOPHYTES

ANTIFUNGAL ACTIVITY OF NEEM AGAINST DERMATOPHYTES

Neem extracts were obtained through methanol-hexane partitioning of mature green leaves and seed oil. Furthermore, high performance liquid chromatography (HPLC) analyses were carried out to relate the
chemical profile with their content of terpenoids, of widely known antifungal activity. The antimycotic Terbinafine served as a positive control. Results showed that there was total growth inhibition of the dermatophytes isolates at minimal inhibitory concentrations (MIC) between 50 μg/mL and 200 μg/mL for leaves extract, and between 625 μg/mL and 2500 μg/mL for seed oil extract. The MIC of positive control (Terbinafine) ranged between 0.0019 μg/mL and 0.0313 μg/mL. Both neem leaves and seed oil methanol extracts exhibited different chromatographic profiles by HPLC, which could explain the differences observed in their antifungal activity. This analysis revealed the possible presence of terpenoids in both extracts, which are known to have biological activity. The results of this research are a new report on the therapeutic potential of neem to the control of dermatophytosis.

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