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Removal of aflatoxin from peanut oil
  
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KeyWord:aflatoxin  physical adsorption  bentonite  peanut oil  alkali solution
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Author NameAffiliation
ZHANG Chunhua  
ZHANG Sen  
HUANG Weixia，etc  
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Abstract:
      When peanut was treated by alkali solution of pH 8-9，the content of aflatoxin B1 of peanut oil could reduce from 10.4 μg/kg to 4.5 μg/kg，however，the treatment was difficult to carry out. Bentonite was used as physical adsorbent to remove aflatoxin from peanut oil，and the content of aflatoxin B1 reduced from 12.5 μg/kg to below 1 μg/kg when 0.5% of bentonite was added to peanut oil. Besides，the acid value of peanut oil reduced，and there was no negative effect on the peroxide value and the flavor of peanut oil. Physical adsorption could be easily achieved by methods of stirring and filtering，which had good application prospect in industrial production.
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