| 无溶剂系统脂肪酶催化POMF转酯生产类可可脂的研究 |
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| 引用本文： | 吴华昌,宗敏华,王菊芳,刘羽莹.无溶剂系统脂肪酶催化POMF转酯生产类可可脂的研究[J].中国油脂,2003,28(3):36-39. |
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| 作者姓名： | 吴华昌 宗敏华 王菊芳 刘羽莹 |
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| 作者单位： | 华南理工大学生物工程系,510640广州市五山 |
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| 摘 要： | 研究了在无溶剂系统中，利用1，3位置特异性脂肪酶催化POMF与硬脂酸甲酯进行酯交换反应制取类可可脂。探讨了反应温度、振荡速度、底物配比、酶浓度、加水量等因素对酶促酯交换反应的质量产率和特异性酯交换速率的影响，并对经减压蒸馏得到的产品进行了有关性能鉴定。
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| 关 键 词： | 棕榈油中间溶点物 酯交换反应 脂肪酶 类可可脂 无溶剂系统 生产 |
| 文章编号： | 1003-7969(2003)03-0036-04 |
| 修稿时间： | 2002年7月15日 |
Production of Cocoa Butter Equivalent by Enzymatic Interesterification of POMF in Solvent Free System |
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| WU Hua chang,ZONG Min hua,WANG Ju fang,LIU Yu ying.Production of Cocoa Butter Equivalent by Enzymatic Interesterification of POMF in Solvent Free System[J].China Oils and Fats,2003,28(3):36-39. |
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| Authors: | WU Hua chang ZONG Min hua WANG Ju fang LIU Yu ying |
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| Abstract: | Cocoa butter equivalent(CBE)production from palm oil m idfraction(POMF)and stearic acid methyl ester(SAME)by interesterification cataly zed by 1,3 specific lipases in solvent free system was studied.The influence of temperature,shake speed,ratio of substrates,enzyme content and water content of the reaction system on the interesterification were explored.The composition an d some physical characteristics of Cocoa butter equivalent(CBE)obtained by vacuu m distillation were analyzed. |
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| Keywords: | palm oil midfraction interesterification lipases Coc oa butter equivalent solvent free system |
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