Kinetic properties of soluble and immobilized Candida rugosa lipase
1995
Virto, M.D. | Agud, I. | Montero, S. | Blanco, A. | Solozabal, R. | Lascaray, J.M. | Llama, M.J. | Serra, J.L. | Landeta, L.C. | Renobales, M. de
Immobilized lipase (triacylglycerol ester hydrolase, EC 3.1.1.3) from Candida rugosa has been immobilized on commercially available microporous polypropylene and used for the batch hydrolysis of different animal fats. The effect of the reaction products at concentrations similar to those obtained at 90% hydrolysis, both on soluble and immobilized lipase, was studied. Glycerol showed low inhibitory effect but oleic acid caused 50% inhibition. A mixture of free fatty acids present in the complete hydrolysis of beef tallow inhibited lipase activity more than 70%. The stability of the enzyme (both soluble and immobilized) was highest in the presence of 20% isooctane. The apparent Michaelis constant for each substrate for the soluble enzyme did not change on immobilization.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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