Impact of some essential oils on the growth of toxigenic fungi and theirtoxin production

Journal of Environmental studies (JES) 
Vol. (2017), 5 pages
doi:.
Author:Zohri, ' A. A.
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Abstract

AbstractThe impact of twelve essential oils (ginger, black pepper, blackcumin, turmeric, baladi mint,peppery mint, cumin, marjoram lupine, cinnamon, thyme and cloves) on the growth of 11toxigenic fungi and their ability for producing toxins were examined. Thyme, clove, baladi mint,peppery mint and cumin completely inhibitedthe growth of all tested fungi at two testedconcentrations (10 and 50 μ l/ 20 ml medium). Marjoram essential oil completely inhibited thefungal growth at 50 μl. Cinnamon essential oil exhibited moderate inhibitory effect on the growthof all tested fungiat 50 μl. Ginger oil generally stimulated the growth of most the tested fungi.Black pepper, turmeric and lupine were recorded as low active oils. Whereas, Black cuminessential oil did not display any inhibitory effect on the growth of the toxigenic fungi at 50 μl.Thyme, clove and mint essential oils (50 μl/ 50 ml medium) completely inhibited toxinproduction by all the tested toxigenic fungi. Black pepper and ginger essential oils reducedmycotoxin formation.

Keywords

oxigenic fungi, mycotoxins, essential oils.

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