
doi: 10.1007/bf03175606
The bacterial strain LP08 was isolated from soil collected from bay of Bohai, China. The sequence of 16S rDNA of strain LP08 showed 99% homology toBurkholderia cepacia. The lipase fromBurkholderia cepacia LP08 was purified by ammonium sulphate precipitation, ion exchange chromatography and Sephadex G-75 chromatography. The characterization of the lipase exhibited maximum activity at 30 °C and pH 9.0. The lipase retained 63, 66, 74, and 95% of its maximum activity at 10, 15, 20 and 25 °C respectively. The lipase activity was promoted in the presence of commercial detergent, sodium cholate, sodium taurocholate, glycerine and NaCl, while was little inhibited in the presence of Triton X-100, Tween-20, Tween-80, SDS, saponin. The present lipase was highly stable towards oxidizing agents and was stable after 1 h at 25 °C in the presence of hydrogen peroxide, sodium hypochlorite and sodium perborate. The results suggest that the lipase fromBurkholderia cepacia LP08 showed good potential for application in the detergent formulation.
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