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Tween-assisted simultaneous aqueous extraction of sesame oil and sesame protein
  
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KeyWord:aqueous extraction  simultaneous extraction  Tween  sesame oil  sesame protein
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Author NameAffiliation
LOU Lili，ZHANG Shaobing  
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Abstract:
      Tween was a kind of water-soluble surfactant, and it has a significant influence on the stability of protein emulsion. Therefore, Tween was used in simultaneous aqueous extraction of sesame oil and sesame protein in order to improve extraction rates of the products. The results showed that Tween had significant influence on the extraction rate of sesame oil, but it had no significant influence on extraction rate of sesame protein. The orthogonal experiment was designed to optimize the Tween 20-assisted aqueous extraction conditions and the optimal conditions were obtained as follows: pH 11, solid-liquid ratio 1∶?6, extraction time 30 min, extraction temperature 50?℃ and dosage of Tween 20 1%. Under these conditions, the extraction rate of sesame oil was (60.97±2.43)%, which was much higher than that by aqueous extraction ((45.90±2.12)%), and the extraction rate of sesame protein was (63.53±1.79)%.
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