冷冻-解冻循环对鳞( Abalistes Stellaris)鱼糜蛋白变性的影响

华南理工大学学报(自然科学版) ›› 2004, Vol. 32 ›› Issue (7): 93-96.

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冷冻-解冻循环对鳞( Abalistes Stellaris)鱼糜蛋白变性的影响

Zhou Ai-mei¹ Soottawat Benjiakul² Zeng Qing-xiao²

1．华南理工大学食品与生物工程学院广东广州510640；2．泰国宋卡王子大学农工学院泰国宋卡90112

收稿日期:2003-02-28 出版日期:2004-07-20 发布日期:2015-09-09
通信作者: 周爱梅（1971－）女讲师博士生现任职于华南农业大学主要从事食品化学及添加剂研究． E-mail:zuojiahui＠21cn.com
作者简介:周爱梅（1971－）女讲师博士生现任职于华南农业大学主要从事食品化学及添加剂研究．
基金资助:
华南农业大学和宋卡王子大学联合研究项目（宋卡王子大学资助）

Effect of the Freeze-thaw Cycle on the Protein Denaturation of Starry Triggerfish ( Abalistes Stellaris)Surimi

Zhou Ai-mei¹ Soottawat Benjiakul² Zeng Qing-xiao²

1．College of Food and Biological EngineeringSouth China Univ．of Tech．Guangzhou510640GuangdongChina；
2．Faculty of Agro-IndustryPrince of Songkla Univ．Songkla90112Thailand

Received:2003-02-28 Online:2004-07-20 Published:2015-09-09
Contact: Zhou A- i mei （born in1971）femalelecturerPh．D．candidatenow works at South China Agric．Univ．mainly researches on food chemistry and additives． E-mail:zuojiahui＠21cn.com
About author:Zhou A- i mei （born in1971）femalelecturerPh．D．candidatenow works at South China Agric．Univ．mainly researches on food chemistry and additives．

摘要/Abstract

摘要： 研究了冷冻－解冻循环对鳞鱼糜蛋白变性的影响测定指标为蛋白质盐溶性、Ca2＋-ATPase 活性及鱼糜凝胶的破断强度、凹陷深度、压出水分和白度．结果表明：随冷冻－解冻循环次数增加鳞白肉鱼糜及全肉鱼糜蛋白的盐溶性和 Ca2＋-ATPase 活性均下降表明鱼糜蛋白发生了变性；鱼糜凝胶的破断强度、凹陷深度及持水性也下降（白度除外）．因此在加工中应避免反复冷冻－解冻以保证鳞鱼糜质量．

关键词: 鳞 , 冷冻－解冻, 蛋白变性

Abstract: The effect of the freeze-thaw cycle on the protein denaturation of starry triggerfish surimi was investigatedwith the measurement items of the salt solubility and Ca2＋-ATPase activity of the proteinsthe breaking forcedeformationexpressible water and whiteness of surimi gels．The results show that the salt solubility and Ca2＋-ATPase activity of the proteins in the white meat surimi and the whole meat surimi decrease as the number of the freeze-thaw cycle increaseswhich suggests that the proteins undergo denaturation．The breaking forcedeformation and water -holding ability of the surimi gels also decrease with the number of the freeze-thaw cycleexcept the whiteness．Thereforefreezing-thawing should be avoided to ensure the prime quality of triggerfish surimi in the production process．

Key words: starry triggerfish, freezing-thawing, protein denaturation

周爱梅 Soottawat Benjiakul 曾庆孝. 冷冻-解冻循环对鳞( Abalistes Stellaris)鱼糜蛋白变性的影响[J]. 华南理工大学学报(自然科学版), 2004, 32(7): 93-96.

Zhou Ai-mei Soottawat Benjiakul Zeng Qing-xiao. Effect of the Freeze-thaw Cycle on the Protein Denaturation of Starry Triggerfish ( Abalistes Stellaris)Surimi[J]. Journal of South China University of Technology(Natural Science Edition), 2004, 32(7): 93-96.

冷冻-解冻循环对鳞( Abalistes Stellaris)鱼糜蛋白变性的影响

Effect of the Freeze-thaw Cycle on the Protein Denaturation of Starry Triggerfish ( Abalistes Stellaris)Surimi

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