Optimization of cooling isolation degumming of cold-pressed linseed oil by response surface methodology
  
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KeyWord:cold-pressed linseed oil  cooling isolation degumming  phospholipid  response surface methodology
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ZHANG Zhixia  
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Abstract:
      To optimize the cooling isolation degumming process of cold-pressed linseed oil, the response surface methodology was designed according to the principle of Box-Benhnken central combination design based on the single factor experiments. The results showed that the optimal conditions were obtained as follows: cooling isolation temperature 7℃, cooling isolation time 3 h and stirring speed 25 r/min. Under these conditions, the phospholipid content of degummed cold-pressed linseed oil was 0.122%.
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