Efficacy of lipase from Aspergillus niger as an additive in detergent formulations: a statistical approach
- 21 February 2006
- journal article
- Published by Oxford University Press (OUP) in Journal of Industrial Microbiology & Biotechnology
- Vol. 33 (8) , 669-676
- https://doi.org/10.1007/s10295-006-0100-9
Abstract
The efficacy of lipase from Aspergillus niger MTCC 2594 as an additive in laundry detergent formulations was assessed using response surface methodology (RSM). A five-level four-factorial central composite design was chosen to explain the washing protocol with four critical factors, viz. detergent concentration, lipase concentration, buffer pH and washing temperature. The model suggested that all the factors chosen had a significant impact on oil removal and the optimal conditions for the removal of olive oil from cotton fabric were 1.0% detergent, 75 U of lipase, buffer pH of 9.5 and washing temperature of 25°C. Under optimal conditions, the removal of olive oil from cotton fabric was 33 and 17.1% at 25 and 49°C, respectively, in the presence of lipase over treatment with detergent alone. Hence, lipase from A. niger could be effectively used as an additive in detergent formulation for the removal of triglyceride soil both in cold and warm wash conditions.Keywords
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