Factors affecting lipase production in Syncephalastrum racemosum

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Abstract
Syncephalastrum racemosum grown as a static culture showed maximum lipase production at 30°C in 2d at pH 8.0. When the medium was supplemented with fructose, maximum production of lipase per unit of growth was achieved, followed by raffinose, sucrose, ribose, galactose, maltose, lactose, mannitol and glucose. Amongst the nitrogen sources tested, corn steep liquor at 8% (v/v) produced maximum enzyme; there was evidence of catabolite repression by glucose when groundnut protein, soybean meal, milk casein or wheat bran were the sources of nitrogen. Calcium, potassium and sodium citrates, each at 0.1% (w/v), increased the yield of lipase.