Factors affecting bleaching of soybean oil by activated clay
  
DOI:
KeyWord:soybean oil  activated clay  bleaching  influence factor
FundProject:“十三五”国家重点研发计划资助项目(2016YFD0401405)
Author NameAffiliation
CHEN Yan Beijing Engineering Laboratory of Geriatric Nutrition Food ResearchBeijing Key Laboratory of Nutrition &Health and Food Safety,COFCO Nutrition & Health Research Institute,Beijing 102209China 
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Abstract:
      The effects of bleaching temperature, bleaching time and dosage of activated clay on the bleaching effect of soybean oil were studied, and the effects of water content and specific surface area of activated clay on its adsorption effect were analyzed. The results showed that with small package Brazilian first grade soybean oil as an example, under the laboratory bleaching process conditions of activated clay 30 min, bleaching temperature 120 ℃,dosage of activated clay 09%, water content of activated clay 8% and its specific surface area 180 m2/g,the absorbance of the bleached oil was 0.60,and its quality was better,which was conducive to further reduce the energy consumption of deodorization.
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