| Pak. J. Bot., 34(2): 125-128, 2002 | Back to Contents | ||||
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Updated: 24-05-12 | ||||
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Citric acid
fermentation by a UV-treated mutant of Aspergillus niger Sikander Ali, Ikram-ul-Haq and Javed Iqbal Abstract: The production of citric acid of by Aspergillus niger was investigated with wild-type (GCB-1) and UV-treated mutant (UV-6) using 7.5, 9.0 and 10.5 L medium in stirred fermentor. Yield of citric acid was found to be seven-fold higher as compared to the parent in 9.0 L medium and the corresponding increase was two-fold in the 7.5 L medium. With 10.5 L I fermentation, the yield was low with both the parent and the mutant strain, though the mutant gave higher yield compared to the parent. |
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