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Ultrasonic-assisted extraction of sesame protein
  
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KeyWord:sesame cake  sesame protein  ultrasonic wave  glucoamylase  extraction rate
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Author NameAffiliation
TAO Ran  
HE Dongping  
HU Chuanrong，etc  
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Abstract:
      Sesame protein was extracted from sesame cake by ultrasonic-assisted alkaline extraction and treated by glucoamylase to improve sesame protein content. The first alkaline extraction conditions was optimized by orthogonal experiment based on single factor experiment. The results showed that the optimal conditions of first alkaline extraction were obtained as follows：extraction temperature 50℃，pH 9.5，extraction time 120 min，solid-liquid ratio 1∶10，ultrasonic power 180 W. The extraction rate of sesame protein was 29.48%(wet basis) after alkaline extraction for twice. Under the conditions of pH 4.0，enzymolysis temperature 60℃，enzymolysis time 30 min and enzymolysis times twice，sesame protein content reached 60.6%.
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