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Effect of high-temperature oxidation treatment on crystallization and melting curve of flaxseed oil
  
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KeyWord:flaxseed oil  high-temperature oxidation treatment  crystallization curve  melting curve
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Author NameAffiliation
YANG Guoyan  
CHEN Xuan  
ZHOU Jian，etc  
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Abstract:
      The effect of high-temperature oxidation treatment on the thermal properties of flaxseed oil was investigated by differential scanning calorimetry（DSC） method. The results showed that the DSC curve of the initial flaxseed oil included a crystallization exothermic peak, a melting exothermic peak and a melting endothermic peak and shoulder peaks. Prolonging high-temperature oxidation time significantly increased the degree of oxidation of flaxseed oil, the crystallization exothermic peak and melting exothermic peak gradually disappeared in the DSC curve, melting endothermic peak temperature moved to the direction of high temperature, and the heat enthalpy dropped. Measuring the crystallization and melting curve of flaxseed oil could quickly evaluate the degree of oxidation.
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