乳化剂对无溶剂体系合成1,3-甘油二酯的影响
Effects of emulsifiers on synthesis of 1,3-diacylglycerol in free-solvent system
  
DOI:
中文关键词:  无溶剂体系;1,3-甘油二酯  蔗糖脂肪酸酯
英文关键词:free-solvent system  1,3-diacylglycerol  sucrose fatty acid esters
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Author NameAffiliation
LI Changmo  
LIU Chunyan  
ZHANG Hong  
WANG Yuqian  
WANG Shuo  
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中文摘要:
      在无溶剂体系中,通过脂肪酶Novozyme 435催化甘油解法合成功能性油脂1,3-甘油二酯。在底物摩尔比1∶1(甘油与天然谷物调和油比),脂肪酶添加量8%(占底物质量)条件下,研究酶催化反应过程中不同HLB值的蔗糖脂肪酸酯和反应温度对1,3-甘油二酯生成量的影响。 研究结果表明,选择HLB值为11的亲水性蔗糖脂肪酸酯,在添加量0.5%,反应温度60℃下反应24 h,1,3-甘油二酯生成量最高,为42.61%。
英文摘要:
      The functional lipid 1,3-diacylglycerol was synthesized in free-solvent system by glycerolysis with Novozyme 435 as catalyst. Under the conditions of molar ratio of substrates 1∶1(ratio of glycerol to natural grain blend oil) and lipase dosage 8% (based on the mass of substrates), the effects of sucrose fatty acid esters with different HLB values and reaction temperature on the yield of 1,3 - diacylglycerol were studied. The results showed that under the conditions of hydrophilic sucrose fatty acid esters (HLB value 11) dosage 0.5%, reaction temperature 60℃, reaction time 24 h, the yield of 1,3-diacylglycerol was up to 42.61%.
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