TY - JOUR
T1 - Studies on the lipase-catalyzed esterification of alkyl oleates in solvent-free systems
AU - Zhong, Hui
AU - Fang, Zheng
AU - Zou, Baohua
AU - Li, Xin
AU - Ouyang, Pingkai
AU - Guo, Kai
PY - 2013/6
Y1 - 2013/6
N2 - The alkyl oleates were prepared by esterification of oleic acid with alkyl alcohols catalyzed by the lipase from Candida sp. 99-125 in solvent-free system. The influence of several factors, including enzyme concentration, temperature, molar ratio between oleic acid and alkyl alcohols, the structure of alcohols and water content, was also investigated. The results indicated that the reactions catalyzed by Candida sp. lipase at 20 °C, in the presence of 5% (w/w) lipase, on the molar ratio of 1:1 between oleic acid and alcohols, afforded products in high yield and showed high selectivity to primary alcohols. The enzymatic synthesis gave purer products, compared with the conventional chemical synthesis. The lipase from Candida sp. 99-125 was identified to be an effective catalyst in the esterification of alcohol and oleic acid at low temperature.
AB - The alkyl oleates were prepared by esterification of oleic acid with alkyl alcohols catalyzed by the lipase from Candida sp. 99-125 in solvent-free system. The influence of several factors, including enzyme concentration, temperature, molar ratio between oleic acid and alkyl alcohols, the structure of alcohols and water content, was also investigated. The results indicated that the reactions catalyzed by Candida sp. lipase at 20 °C, in the presence of 5% (w/w) lipase, on the molar ratio of 1:1 between oleic acid and alcohols, afforded products in high yield and showed high selectivity to primary alcohols. The enzymatic synthesis gave purer products, compared with the conventional chemical synthesis. The lipase from Candida sp. 99-125 was identified to be an effective catalyst in the esterification of alcohol and oleic acid at low temperature.
KW - Candida sp. lipase
KW - Enzymatic esterification
KW - Oleates
UR - http://www.scopus.com/inward/record.url?scp=84874413437&partnerID=8YFLogxK
U2 - 10.1016/j.molcatb.2013.01.013
DO - 10.1016/j.molcatb.2013.01.013
M3 - 文章
AN - SCOPUS:84874413437
SN - 1381-1177
VL - 90
SP - 114
EP - 117
JO - Journal of Molecular Catalysis - B Enzymatic
JF - Journal of Molecular Catalysis - B Enzymatic
ER -