Keywords: alkaline lipase, detergent applications, Enterobacter aerogenes, solid-state fermentation, soybean oil cake, agro-industrial waste
Alkaline lipase production from Enterobacter aerogenes by solid-state fermentation of agro-industrial wastes
Lipases that are stable at alkaline pH are highly desirable for detergent formulations. In the present study, an alkaline lipase was produced from solid-state fermentation of agro-industrial wastes by lipase producer strain of Enterobacter aerogenes. Use of such wastes as substrates instead of commercial synthetic media was done to develop a cost-effective method for lipase production. Fermentation conditions were optimised for maximising enzyme production. The lipase was found to be stable at higher pH 9-11 and temperature 45-60°C ranges. Its incorporation in detergent formulation enhanced the washing efficiency.