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Schinus molle essential oil as a potential source of bioactive compounds: antifungal and antibacterial properties

Author:
do Prado, A.C., Garces, H.G., Bagagli, E., Rall, V.L.M., Furlanetto, A., Fernandes Junior, A., Furtado, F.B.
Source:
Journal of applied microbiology 2019 v.126 no.2 pp. 516-522
ISSN:
1364-5072
Subject:
Candida, Cryptococcus neoformans, Paracoccidioides brasiliensis, Schinus molle, Trichophyton, active ingredients, alpha-pinene, antibacterial properties, antifungal properties, bacteria, beta-pinene, bioactive compounds, essential oils, fungi, gas chromatography-mass spectrometry, leaves, minimum inhibitory concentration, mycoses, myrcene, sabinene, Latin America
Abstract:
AIMS: The study was focused on the evaluation of antimicrobial activity in vitro of the essential oil (EO) of leaves from Schinus molle against bacteria and fungi of clinical importance in the search for the discovery of new active compounds. METHODS AND RESULTS: The chemical composition of the S. molle EO was determined by gas chromatography/mass spectrometry and its antimicrobial effect was verified by broth microdilution method. The major compounds found were β‐pinene (25·23%), epi‐α‐cadinol (21·29%), α‐pinene (18·72%), myrcene (11·54%) and sabinene (5·02%). The EO showed significant antifungal activity against Paracoccidioides brasiliensis (39·06 μg ml⁻¹), weak action against Cryptococcus neoformans (625 μg ml⁻¹) and Trichophyton quinckeanum (625 μg ml⁻¹) and was inactive against Candida sp. In the analysis of the antibacterial action, the micro‐organisms tested did not show sensitivity. CONCLUSIONS: This study showed a promising result of S. molle volatiles against the fungus P. brasiliensis, which causes paracoccidioidomycosis (PCM), a systemic mycosis of great clinical importance in Latin America. SIGNIFICANCE AND IMPACT OF THE STUDY: The results found here are novel and encourage investigations of the compounds present in this EO, which represents a source of molecules with potential use in the treatment of PCM.
Agid:
6279057