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Biotechnology  2008 

Optimisation of Candida rugosa Lipase Esterase Activity

Keywords: Candida rugosa , esterase activity , lipase production , optimization , Taguchi method

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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.

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