ABSTRACT

and solids. Their special properties, such as nontoxicity, biodegradability, environmental friendliness, and high stability, as well as a wide range of industrial applications, make them a very useful group of chemical compounds. Biosurfactants are made by a wide range of microorganisms. The aim of this study was to isolate and characterise biosurfactantproducing bacteria from oil-contaminated soil, as well as to investigate their growth kinetics at various temperatures and pH levels. The isolation and growth analysis was done in MSM composition with kerosene oil as the sole carbon source for the bacteria. Gram positive bacteria can produce lipopeptides form biosurfactant, and the isolated strains B1 and B2 were found to be Gram positive. Bacilli strains were isolated. pH 7 and temperature 30oC were found to be the best conditions for bacterial growth for strain B1 and pH 8 and temperature 30oC for strain B2. Keywords: Biosurfactant, Biodegradable, Microorganism
Publication date: 01/01/2022

https://ijbpas.com/pdf/2022/January/MS_IJBPAS_2022_5823.pdf

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https://doi.org/10.31032/IJBPAS/2022/11.1.5823