Abstract
We obtained the following results from the experiments on lipase activity of P. chrysogenum Q176. 1. Lipase inside the organism is powerful at 24 hours and that outside it is of a low activity. 2. Lipase in the culture media showed its activity during 48 to 72 hours of fermentation. 3. Enzymatic chemical properties were studied: the optimal pH was relatively low; acetic acid acted as an inhibitor, while ammonium hydrate and ammonium sulfate acted as activators. NaF showed little influence. Autolysis phenomena due to addition of soybean oil during 48 to 72 hours of fermentation were parallel to higher lipase activity.
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