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Journal of Biological Sciences
  Year: 2002 | Volume: 2 | Issue: 2 | Page No.: 70-72
DOI: 10.3923/jbs.2002.70.72
Enhancement in Citrate Production by Alcoholic Limitation
Sikander Ali , Hamad Ashraf and Ikram-ul-Haq

Abstract:
Citric acid fermentation by Aspergillus niger GCB-47 was carried out in a 15L stainless stirred fermentor. Among the alcohols tested as stimulating agents, 1.0% methanol was found to give maximum amount of anhydrous citric acid (76.02 g/l), 24 hours after inoculation. This yield of citric acid is 1.76 fold higher than the control. The sugar consumed and %age of citric acid on the basis of sugar used were 108 g/l and 70.39 %, respectively. The mycelia were small round pellets having dry cell mass 14.5 g/l. Addition of ethanol, however, did not found to enhance citric acid production, significantly.
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How to cite this article:

Sikander Ali , Hamad Ashraf and Ikram-ul-Haq , 2002. Enhancement in Citrate Production by Alcoholic Limitation. Journal of Biological Sciences, 2: 70-72.

DOI: 10.3923/jbs.2002.70.72

URL: https://scialert.net/abstract/?doi=jbs.2002.70.72

 
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