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Optimisation of Candida Rugosa Lipase Esterase Activity Publisher



Korbekandi H1 ; Abedi D2 ; Pourhossein M1 ; Motovalibashi M3 ; Hejazi M2 ; Narimousaei M2 ; Kabiri M2
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Authors Affiliations
  1. 1. Department of Genetics and Molecular Biology, Isfahan, Iran
  2. 2. Department of Biotechnology, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Department of Biology, School of Sciences, Isfahan University, Isfahan, Iran

Source: Biotechnology Published:2008


Abstract

We aimed to optimize esterase production of Candida rugosa lipase (CRL). Active culture of C. rugosa (DSM 2031) was revived and the culture medium containing the most frequently used ingredients was optimized using a fraction of factorial design method, Taguchi. Temperature and pH of the culture was also optimized using one factor at a time method. The optimum combination of the major medium ingredients, in order of their magnitude, was (g L-1): Corn Steep Liquor (CSL) powder, (40), triolein (glyceril trioleate) (10), glucose (0) and oleic acid (2). The optimum temperature and pH were 30°C and 7, appropriately. Using this combination and conditions, esterase activity of the enzyme preparation was increased up to 9 U mL-1, which was equivalent to 20611 U mL-1 of Sigma® lipase lipolytic activity. © 2008 Asian Network for Scientific Information.
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