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无溶剂体系甘油解法制备乳脂1,3-甘油二酯 被引量:5

Prepare of milk fat 1,3-diacylglycerol by enzymatic glycerolysis in solvent-free system
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摘要 以乳脂为原料,在无溶剂体系下,采用Box-Behnken试验设计对酶法(诺维信435)甘油解反应制备富含1,3-甘油二酯的改性乳脂的工艺条件进行优化。该方法利用固定化酶在无溶剂体系中反应,具有高效安全的优点。优化技术参数为:反应时间12.24 h、酶添加量6.08%、反应温度54.64℃、醇油摩尔比3.6∶1,甘油解反应后的乳脂产物中1,3-甘油二酯的含量可达49.04%。 Through the Box-Behnken experiment to optimize process of enzymatic reaction (Novozymes 435 ) glycerin solution to prepare 1, 3-diaeylglycerol from milk fat. The method uses immobilized enzyme reaction in solvent-free system with high efficiency and safe. The optimized technical parameters are: reaction time 12.24 h, enzyme dosage 6.08% , reaction temperature 54.64 ℃ , mole ratio of glycerin to milk fat 3.6: 1, the content of 1,3-diglyeerides in the product reached 49.04%.
出处 《食品与发酵工业》 CAS CSCD 北大核心 2016年第7期176-180,共5页 Food and Fermentation Industries
基金 安徽省奶牛产业技术体系(NO:AHCYTX-07)资助
关键词 乳脂 酶催化 甘油解 甘油二酯 制备 milk fat enzyme catalysis glycerol solution diglyeeride production
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