Effect of nutritional factors on lipase biosynthesis by Aspergillus niger |
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| Authors: | D Pokorny J Friedrich A Cimerman |
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| Institution: | (1) Laboratory for Biotechnology and Industrial Mycology National Institute of Chemistry, Hajdrihova 19, 61115 Ljubljana, Slovenia |
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| Abstract: | Summary Lipase biosynthesis occured in medium without lipids, but for improved production an inducer was needed. The source and concentration of an inducer had no signifficant effect. Starch as an additional carbon source stimulated lipase biosynthesis when used in small amounts. Addition of NH4NO3 as a nitrogen source, KH2PO4 as a phosphate source as well as Mg ions to the medium with inital pH 5.0 gave the best yield. |
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