Evaluating The inhibitory Efficacy Of Cactus plant Extracts (Opuntia ficus-indica) Against The Isolation Of Aspergillus niger Fungus
Abstract
This study was carried out to evaluate the inhibitory effect of aqueous, ethanolic and methanolic extracts of the cladodes, flowers and fruits cactus plant (Opuntia ficus-indica) with concentrations of (125, 250, 500, 1000) mg/ml against the isolation of Aspergillus niger fungus and compared it with aqueous solution of antibiotic (fluconazole) at concentration 10 µg/ml. The study showed a difference in efficacy of studied extracts in inhibiting the growth of studied fungus, The methanolic extract of flowers showed higher inhibiting ratios (76.86, 81.32) % at concentrations (500, 1000) mg/ml respectively, followed by the methanolic extract of cladode by inhibiting ratios reached (73.49, 76.14) % at the previous concentrations, then followed by the ethanolic extract of flowers by inhibiting ratio (40.96, 57.83) % at the same of previous concentrations, while inhibiting ratio of fluconazole reached 65.66% at the used concentration, whereas the aqueous extracts of flowers, fruits and cladode had the lowest effect by inhibiting ratios reached (36.74, 23.49, 12.53) % respectively at concentration 1000 mg/ml.
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