Time Course Study of Citrate Fermentation by Aspergillus niger in Stationary Culture


	Pakistan Journal of Biological Sciences
	Year: 2003 \| Volume: 6 \| Issue: 4 \| Page No.: 331-333 DOI: 10.3923/pjbs.2003.331.333

Time Course Study of Citrate Fermentation by Aspergillus niger in Stationary Culture

Sikander Ali, Asad-ur- Rehman and Ikram-ul- Haq

Abstract: The present investigation deals with the time course study of three different mutant strains of Aspergillus niger (IFS-5, IFS-6 & IFS-17) during citric acid production by surface culture technique. The mutant IFS-17 was found to be the best producer of citric acid (76.22 g l^-1, 7 days after inoculation) having high production yield coefficients (i.e., Y_p/s 0.492 g g^-1& Y_p/x 1.992 g g^-1). The product is low volume and high cost product. Thus the use of mutant IFS-17 in citric acid fermentation is economically more feasible due to larger citric acid production vs. shorter incubation period.

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How to cite this article:

Sikander Ali, Asad-ur- Rehman and Ikram-ul- Haq, 2003. Time Course Study of Citrate Fermentation by Aspergillus niger in Stationary Culture. Pakistan Journal of Biological Sciences, 6: 331-333.

DOI: 10.3923/pjbs.2003.331.333

URL: https://scialert.net/abstract/?doi=pjbs.2003.331.333

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