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Hydrolysis of heat-denaturized soy protein isolate with Alcalase or Papain
  
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KeyWord:soy protein isolate  Papain  Alcalase  enzymolysis
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Author NameAffiliation
LI Ting  
ZHAO Shasha  
RUAN Qijun，etc  
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Abstract:
      The heat-denaturized soy protein isolate was hydrolyzed by Alcalase and Papain respectively, and the effects of enzymolysis temperatures of two kinds of proteases on the enzymolysis result of soy protein isolate were investigated. The results showed that the enzymolysis of soy protein isolate with Alcalase at 60℃ was deeper than that at 70℃, more low relative molecular weight peptides were obtained and the degree of hydrolysis of soy protein isolate was 1473%; while temperature had little effect on the hydrolysis of soy protein isolate with Papain; more small peptides could be obtained by the hydrolysis of soy protein isolate with Alcalase than that with Papain.
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