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Effects of emulsifiers on synthesis of 1,3-diacylglycerol in free-solvent system
  
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KeyWord: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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Abstract:
      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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