The main uses of aspergillus niger are:
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It is used for the production of enzymes such as amylase, amyloglucosidase, cellulose, lactase etc. and organic acids like citric acids, gluconic acid etc. by fermentation.
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It is also used to test the efficacy of preservative treatments.
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It is resistant to several antifungal agents.
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Aspergillus niger strains are used for soil testing.
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Commercial cultivation of citric acid using aspergillus niger is carried out in surface culture as well as the submerged processes.
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It is used in the preparation of the dairy products.
