Effects of High-Pressure Treatments (Ultra-High Hydrostatic Pressure and High-Pressure Homogenization) on Bighead Carp (Aristichthys nobilis) Myofibrillar Protein Native State and Its Hydrolysate
文献类型： 外文期刊
作者： Chen, Mengting 1 ; Wang, Lan 2 ; Xie, Bijun 1 ; Ma, Aimin 1 ; Hu, Kai 1 ; Zheng, Changliang 2 ; Xiong, Guangquan 2 ; Shi, Liu 2 ; Ding, Anzi 2 ; Li, Xin 2 ; Qiao, Yu 2 ; Sun, Zhida 1 ; Wu, Wenjin 2 ;
作者机构： 1.Huazhong Agr Univ, Coll Food Sci & Technol, Wuhan 430070, Hubei, Peoples R China
2.Hubei Acad Agr Sci, Inst Agroprod Proc & Nucl Agr Technol, Key Lab Agr Prod Cold Chain Logist, Minist Agr & Rural Affairs, Wuhan 430064, Peoples R China
关键词： Ultra-high hydrostatic pressure; High-pressure homogenization; Myofibrillar structure modification; Enzymatic hydrolysate; Antioxidant activity
期刊名称：FOOD AND BIOPROCESS TECHNOLOGY （ 影响因子：5.581； 五年影响因子：5.472 ）
ISSN： 1935-5130
年卷期：
页码：
收录情况： SCI
摘要： The impacts of four treatments, ultra-high hydrostatic pressure (UHP), high-pressure homogenization (HPH), combined UHP + HPH (U-H), and HPH + UHP (H-U), on bighead carp (Aristichthys nobilis) myofibrillar protein (BMP) structure, functional hydrolysis property to pepsin, and antioxidant activity of hydrolysates were investigated. All treatments led to increase in low-molecular-weight BMP, the BMP stability, and hydrophobic group exposure, but decrease in total sulfhydryl content and BMP particle size, thus resulting in increased hydrolysis and antioxidant capacity of enzymatic hydrolysates. U-H treated BMP exhibited the highest surface hydrophobicity (924.5 +/- 1.0), zeta potential absolute value (18.88 +/- 0.11 mV), hydrolysis degree (54.5 +/- 1.6%), and antioxidant activity, but the lowest alpha-helix (21.84 +/- 2.61%), intrinsic fluorescence spectrum intensity, total sulfhydryl (7.24 +/- 0.07 mu mol/g), and mean particle size (182.57 +/- 2.23 nm). Therefore, U-H might be a promising pretreatment to prepare bioactive peptide.
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