Effects of temperature and time on the sediment formation in sesame oil and its composition analysis
  
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KeyWord:sesame oil  sediment  temperature  time  component
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Author NameAffiliation
HUANG Wei  
LIU Guoqin  
WANG Xuede,etc  
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Abstract:
      Sesame oil as Chinese traditional flavor oil appears flocculent precipitate under the condition of low temperature or prolonged placement. The effects of temperature and time on the sediment formation in sesame oil were investigated. The results showed that the sediment mostly formed at 5℃ storing for 9 d. The main components of the sediment in sesame oil were fatty glycerides(82.07%)and acetone-insoluble materials(17.07%),in which acetone-insoluble materials were mainly composed of wax ester (10.5%), phospholipids (8.7 mg/g), protein (5.7%), and small amounts of free fatty acids and non-saponified matters.
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