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[9001092.] رقم البحث : 9001092 - |
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Filamentous Fungi and their Enzymatic Activities Associated with Sugar Cane Molasses / |
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قطاع الدراسات الزراعية / |
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Egyptian sٍugar journal / |
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اسماء فتحى محمود - مؤلف رئيسي |
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Sugar Cane Molasses- sugar technology- fermentation - |
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Cane molasses is a by-product of sugar production from the sugar cane. It contains about 50% saccharides in addition to considerable levels of proteins, minerals and vitamins. These constituents may favor the presence of fungi in molasses. Twenty- five samples of Egyptian cane molasses were collected from different five sugar factories (5 for each) in Egypt named Abo Qurqas, Nag Hammady, Dishna, Qus and Kom Ombo. Samples were mycological analyzed using cellulose and 25% Sucrose Czapek’s agar media. On cellulase Czapek’s agar medium, eight species in addition to one species variety belong to 5 genera of fungi were recorded from only 18 out of the 25 tested samples. On 25% Sucrose Czapek’s agar medium, 11 identified plus one unidentified species belong to 8 fungal genera were isolated from 18 of the 25 tested samples. The most common species on both media were Aspergillus flavus and A. niger. A total of 28 isolates of filamentous fungi belong to 13 species plus one variety of 9 genera were collected in this study and screened for their ability to produce both of cellulase and invertase. All tested isolates showed positive results with variable secretion levels for both cellulase and invertase. |
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