Abstract
Aspergillus terreus produces lipase 7.01 IU/ml in 96 h after optimization by one variable at a time method. Using the significant factors i.e. corn oil (A), sodium nitrate (B), casein (C), agitation rate (D) and incubation period (E) RSM was carried out resulting in 19.65 IU/ml from the combination +1(A), −1(B), −1(C), +1(D) and 0(E). The interactions between sodium nitrate, casein and agitation with corn oil were most significant. Scale up of production from 250 ml shake flask to 30 l bioreactor resulted in increased productivity of 0.52 IU/ml/h as against 0.2 IU/ml/h obtained in shake flasks. This lipase could carryout solvent free synthesis of partial glycerides of oleic acid with 96% efficiency in 12 h.
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Abbreviations
- RSM:
-
Response surface methodology
- FCCCD:
-
Face centered central composite design
- OVAT:
-
One variable at a time
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Authors acknowledge with thanks the help of Ms. Pinki Anand for critically evaluating the manuscript.
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Kaushik, R., Marwah, R.G., Gupta, P. et al. Optimization of Lipase Production from Aspergillus terreus by Response Surface Methodology and Its Potential for Synthesis of Partial Glycerides Under Solvent Free Conditions. Indian J Microbiol 50, 456–462 (2010). https://doi.org/10.1007/s12088-011-0100-y
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DOI: https://doi.org/10.1007/s12088-011-0100-y