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Journal of Dairy Science Vol. 64 No. 2 193-196
© 1981 by American Dairy Science Association ®
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Factors Affecting Lipase Production in Rhizopus nigricans1

Harish Chander, V. K. Batish, D. R. Ghodekar and R. A. Srinivasan

Dairy Bacteriology Division, National Dairy Research Institute, Karnal (Haryana) India

ABSTRACT

Rhizopus nigricans showed maximum growth and lipase production at 30°C in 5 days at pH 6.0. Aeration stimulated growth and lipase production. The medium supplemented with glucose stimulated maximum production of lipase, whereas that supplemented with galactose, mannitol, fructose, sucrose, lactose, and maltose stimulated less lipase production. Among the nitrogen sources tested, peptone at 2% produced maximum lipase yield. Calcium citrate (.1%) increased the yield of lipase over sodium and potassium citrate.

FOOTNOTES

1 NDRI Publication No. 93–80.






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