L’activité antifongique des extraits des feuilles d’oliviers vert et noir

Abstract

The olive tree is very popular in Algeria and widely used by local populations. The medicinal properties of the olive tree are mainly attributed to the leaves. Considering the beneficial properties of the latter for human health in herbal medicine, their persistence throughout the year and their enormous amount generated as a by-product of the olive industry in Mediterranean countries. Olive leaves are characterized by different phenolic compounds representing an important source of oleuropein (phenolic compound of interest). Antimicrobial properties of olive leaf extract on some yeast were examined in this study. Fresh olive leaf extracts were -prepared. using various solvents (water, ethanol, acetone, ethyl acetate) in Soxhlet apparatus. Antimicrobial effects of these extracts were tested against Saccharomyces cerevisiae ATCC 9763, Schizosaccharomyces pombe, Saccharomyces uvarum, Candida oleophila, Metschnikowia fructicola and Kloeckera apiculata.