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大豆油活性白土脱色影响因素
Factors affecting bleaching of soybean oil by activated clay
  
DOI：
中文关键词:  大豆油  活性白土  脱色  影响因素
英文关键词:soybean oil  activated clay  bleaching  influence factor
基金项目:“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 Research，Beijing Key Laboratory of Nutrition &Health and Food Safety,COFCO Nutrition & Health Research Institute,Beijing 102209，China 
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中文摘要:
      研究了大豆油脱色工艺中脱色温度、脱色时间及活性白土添加量对脱色效果的影响，并分析了活性白土水分含量、比表面积对其吸附效果的影响。结果表明：以精炼小包装巴西一级大豆油为例，实验室最佳脱色工艺条件为脱色时间30 min、脱色温度120 ℃、活性白土添加量0.9%、活性白土水分含量8%、活性白土比表面积180 m2/g；在最佳脱色条件下，脱色油吸光度为0.60，脱色油品质较好，进一步降低了脱臭能耗。
英文摘要:
      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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