A probiotic strain of lactobacilli was isolated from traditional soft Churpi cheese of Yak milk and found positive for biosurfactant production. Lactobacilli reduced the surface tension of phosphate buffer saline (PBS) from 72.0 to 39.5 mNm(-1) pH 7.2 and its critical micelle concentration (CMC) was found to be 2.5 mg mL(-1). Low cost production of Lactobacilli derived biosurfactant was carried...
