Unstructured kinetic models for lipase production by Bacillus sphaericus

Ara Vindan Rajendran, Ashok Balaji Sundaramurthy, Viruthagiri Thangavelu

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Unstructured kinetic modeling for cell growth, lipase production and substrate utilization are presented for lipase production by Bacillus sphaericus in batch submerged fermentation. The unstructured models, Logistic model for cell growth, Monod incorporated Luedeking- Piret model for lipase production and Modified Logistic model incorporated modified Luedeking-Piret model for substrate utilization where capable of predicting with high coefficient of determination (R2) values of 0.9977, 0.9871 and 0.9966 respectively. The predicted profile of the fermentation are in good agreement with the experimental profile, indicated that the unstructured models were able to describe the fermentation profile effectively. Estimated parameters of the Luedeking- Piret model for lipase production indicate that the production of lipase by Bacillus sphaericus is growth-associated.

Original languageEnglish (US)
Pages (from-to)683-690
Number of pages8
JournalAsian Journal of Microbiology, Biotechnology and Environmental Sciences
Volume9
Issue number3
StatePublished - Dec 1 2007

Keywords

  • Bacillus sphaericus
  • Lipase
  • Prediction
  • Submerged fermentation
  • Unstructured modeling

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