Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/79214
Type: Artigo de periódico
Title: Synthesis of butyl butyrate by microbial lipase immobilized onto styrene-divinylbenzene copolymer.
Author: de Oliveira, PC
Alves, GM
de Castro, HF
Mei, LHI
Abstract: This work investigates the reaction parameters of an immobilized lipase in the esterification reaction of n-butanol and butyric acid. Microbial lipase from Candida rugosa was immobilized onto styrene-divinylbenzene copolymer (STY-DVB) and subsequently introduced in an organic medium containing substrates in appropriate concentrations. Heptane was selected as solvent on the basis of its compatibility with the resin and the enzyme. The influence of molar ratio of acid to alcohol, amount of immobilized lipase and temperature on the butyl butyrate formation was determined. The results were compared with those achieved with free lipase and Lipozyme (commercially immobilized lipase) under the same operational conditions.
Subject: lipase
organic solvent
immobilization
styrene-divinylbenzene copolymer
butyl butyrate
Country: Brasil
Editor: Soc Brasileira Quimica
Rights: aberto
Date Issue: 2000
Appears in Collections:Unicamp - Artigos e Outros Documentos

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