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Effects of three treatments on protein structure and gel properties of Perccottus glenii myofibrillar protein

文献类型: 外文期刊

作者: Jiang, Guochuan 2 ; Tian, Lili 3 ; Hu, Ruifeng 4 ; Sun, Hongrui 5 ; Fu, Yuan 2 ; Guo, Wanchun 6 ; Liu, Xuejun 1 ; Yan, Xiaohui 2 ;

作者机构: 1.Jilin Agr Univ, Changchun 130118, Peoples R China

2.Jilin Business & Technol Coll, Changchun 130507, Peoples R China

3.Ground Dairy Ind Co Ltd, Changchun 130000, Peoples R China

4.Spicy Duck Food Co Ltd, Changchun 130000, Peoples R China

5.Jilin Acad Agr Sci, Changchun 130033, Peoples R China

6.Agr Stn Nongan Town, Changchun 130299, Peoples R China

关键词: gel property; glutamine transaminase; myofi-brillar protein; Perccottus glenii; protein structure; ultrasound

期刊名称:INTERNATIONAL JOURNAL OF FOOD ENGINEERING ( 影响因子:1.832; 五年影响因子:1.667 )

ISSN: 2194-5764

年卷期: 2021 年 17 卷 12 期

页码:

收录情况: SCI

摘要: In order to improve Perccottus glenii myofibrillar protein (MP) gel properties, three treatments were evaluated: ultrasonic, transglutaminase (TGase) and combined ultrasonic-transglutaminase treatments. Combined ultrasonic-transglutaminase treatment altered protein structure and gel properties most dramatically. As compared with untreated control group protein, treated protein gels possessed decreased sulfhydryl group content and increases in water holding capacity, whiteness value and hydrophobic interactions that increased gel strength value by up to 3.79 times that of untreated protein gel. Protein structural and Differential scanning calorimetry (DSC) analyses revealed that combined ultrasonic-TGase treatment increased both protein thermal denaturation temperature and UV absorbance (as compared to control and other treatment groups) that supported formation of MP gels with desirable characteristics. These results provide a theoretical basis for development of superior MP gels to promote greater utilization of this fish protein resource by the food industry.

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