The Effect of Aqueous and Alcoholic Extracts of Galls of Quercus infectoria on the Growth of Some Pathogenic Fungi

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Nareen Qadr Faqi abdulla


Pathogenic fungi Alcoholic extracts Quercus infectoria dermatophytes


Quercus infectoria is a plant used in medicinal scale. It is of family Fagaceae, which comprises of galls called Oak galls. This is one of the traditionally used plants in the treatment of fungal infections and mouth ulcers. It is used as astringent, in anti-diarrhea preparations and its dry extract is used as analgesic and hyperglycemic. The present study was aimed to estimate the antifungal activity of Quercus infectoria on the growth of eight species from six different genera of pathogenic fungi, which includes: Opportunistic (Aspergillus flavus, A. fumigates, A. ochraceus, Cladosporium cladosporioides, Penicillium citrinum and Stachybotry schartarum) and dermatophytes: Microsporum gypseum and Trichophyton rubrum. The Gall extracts were prepared by aqueous and ethanol extraction and two concentrations of each extract were prepared (2.5 and 5) mg/ml and tested for their activity as antifungal. It has shown that in the (pour plate method), ethanol extract at both concentrations affected more than aqueous extract on the growth of mycelia, that decreased the growth of mycelia of the pathogenic fungi when compared with control, while the antifungal activity of Quercus gall by (filter paper disc diffusion method) on the radial growth of pathogenic fungi showed that the aqueous extracts of Quercus gall have no any effect on the growth inhibition of all studied fungi, while the ethanol extracts of Quercus gall have low effect on the studied fungi. This is the first documented research was made on this genus and species of fungi.

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