Isolation Of Lipolytic Bacteria From Waste Contaminated Soil A Study With Regard To Process Optimization For Lipase
Journal: International Journal of Scientific & Technology Research (Vol.2, No. 10)Publication Date: 2013-01-15
Authors : Kalpana Sagar; Yasir Bashir; Mayur M Phukan; B. K. Konwar;
Page : 214-218
Keywords : Keywords Bacteria; Carbon source; Extra-cellular; Kitchen waste; Lipase; Oil remnants; Triacylglycerol;
Abstract
Abstract Production of valuable metabolites by micro-organisms has always been one of the main areas of intense scientific research over the years. In this regard the present study was undertaken to isolate lipase producing bacteria from waste contaminated site and subsequent optimization of culture parameters temperature pH incubation time agitation speed substrate specificity for extra-cellular lipase production. Effect of carbon source nitrogen source and metals ions were further assessed to determine the maximum lipase activity. Selection of bacterial isolates was achieved by culture in Tributyrin agar a selective media for lipase producing bacteria. Out of 18 bacterial isolates 2 isolates TU-L1 and TU-L2 were found to be prominent with regard to lipolytic activity. The optimal temperature pH and incubation time conditions for TU-L1 and TU-L2 were 45C 8.0 18h and 37C 7.0 and 24h respectively. The present study warrants the feasibility of isolation of industrially important microbes from waste contaminated sites.
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