SELECTIVITY OF CANDIDA RUGOSA LIPASE IMMOBILIZED ONTO LAYERED DOUBLE HYDROXIDES AS CATALYST IN SYNTHESIS OF FATTY ACID ESTERS

被引：0
|
作者：
Rahman, Mohd Basyaruddin Abdul [1 ]
Othman, Siti Salhah [2 ]
Yunus, Noor Mona Md [2 ]
机构：
[1] Univ Putra Malaysia, Upm Serdang 43400, Selangor, Malaysia
[2] Univ Sains Islam Malaysia, Nilai 71800, Negeri Sembilan, Malaysia
来源：
JURNAL TEKNOLOGI | 2016年 / 78卷 / 5-6期
关键词：
Immobilized lipases; esterification; layered double hydroxides;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The enzymatic selectivity of Lipase from Candida rugosa immobilized onto a calcined layered double hydroxide (CLDHs-CRL) towards the chain-length of fatty acids and alcohols in the synthesis of fatty acid esters was investigated. The results showed that CMAN-CRL catalyzed the esterification process with fatty acids of medium chain lengths (C10-C14) effectively while, CNAN-CRL and CZAN-CRL exhibited high percentage conversion in fatty acids with carbon chain lengths of C8-C12 and C10-C18, respectively. In the alcohol selectivity study, CMAN-CRL showed high selectivity toward alcohols with carbon chain lengths of C4, C6 and C10. On the other hand, both CNAN-CRL and CZAN-CRL exhibited rather low selectivity towards longer carbon chain length of alcohols.
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页码：111 / 115
页数：5
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