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The use of commercial pectinase in the fruit juice industry, part 2: Determination of the kinetic behaviour of immobilized commercial pectinase by Kemal Sarιoğlu; Nilay Demir; Jale Acar; Mehmet Mutlu is a Agricultural and Biological Sciences article available to read on EtoBox.

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In this study, commercial pectinase was immobilized onto anion exchange resin particle with electrostatic adsorption. The kinetics of immobilized pectinase was studied in a batch reactor. The pectolytic activities of free and immobilized Pectinex Ultra SP-L were measured from the viscosity reduction of pectin solution at pH 4.5°C and 35°C. Kinetic constant were found as V max 0.0046% (w/v)/s and K m 1.137% (w/v) pectin for free enzyme and V max 0.0091% (w/v)/s and K m 2.172% (w/v) pectin for immobilized pectinase. The temperature dependence of the reaction rate obeyed the Arrhenius law. The activation energy of biochemical reaction catalyzed by free and immobilized commercial pectinase was calculated as 9.424 and 11.98 kcal mol À1 , respectively.

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Author

Kemal Sarιoğlu; Nilay Demir; Jale Acar; Mehmet Mutlu

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0260-8774)

Published

2001

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)