A comparative assessment of antifungal activity of essential oils of five medicinal plants from Tunisia

The leaf essential oil yields of clementine, cypress, rosemary, tea, and thyme were 0.22, 0.87, 1.46, 1.20, 0.72%, respectively, based on the dry weight plant material. oils contained highest levels oxygenated monoterpenes (60.14-91.70%). Rosemary tea rich in 1,8-cineole (49.98% 57.55%, respectively), they have potent antifungal activity against Alternaria alternata strain (MIC = 5000 μg/ml). Thyme was carvacrol (78.54%) had a MIC 6000 μg/ml A. strain. Clementine characterized by predominance monoterpene hydrocarbons (88.65%), it possessed weak 8000 Cypress sesquiterpenes (60.67%), having an μg/ml.