in Microbes in Human Welfare by

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The main uses of aspergillus niger are:

  1. 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.
  2. It is also used to test the efficacy of preservative treatments.
  3. It is resistant to several antifungal agents.
  4. Aspergillus niger strains are used for soil testing.
  5. Commercial cultivation of citric acid using aspergillus niger is carried out in surface culture as well as the submerged processes.
  6. It is used in the preparation of the dairy products.
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