Effect of resonance acoustic mixing treatment on the gelation properties of pea protein isolate and the gel in vitro digestibility

被引:0
作者
He, Ying [1 ]
Wang, Yibing [2 ,3 ]
Li, Yingjie [4 ]
Guo, Fang [1 ]
Dong, Longlong [5 ]
Zhu, Zhenbao [2 ,3 ]
Min, Cong [2 ,3 ]
Cao, Yungang [2 ,3 ]
机构
[1] LyuLiang Univ, Dept Biol & Food Engn, Lishi 033000, Shanxi, Peoples R China
[2] Shaanxi Univ Sci & Technol, Sch Food Sci & Engn, Xian 710021, Peoples R China
[3] Shaanxi Univ Sci & Technol, Nat Food Macromol Res Ctr, Xian 710021, Peoples R China
[4] Shenzhen Ramixers Technol Co Ltd, Shenzhen 518000, Peoples R China
[5] Linyi Jinluo Win Ray Food Co Ltd, Linyi 276036, Peoples R China
关键词
Pea protein; Digestibility; Gel strength; Resonance acoustic mixing; Rheological properties; Water-holding capacity; MYOFIBRILLAR PROTEIN;
D O I
10.1016/j.ijbiomac.2025.140568
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
This study aimed to investigate the effect of different durations (0, 5, 10, 15, 20, and 30 min) of resonance acoustic mixing (RAM) treatment on the gel properties and digestibility of pea protein isolate (PPI). Results indicated that RAM treatment enhanced the water holding capacity (WHC) of PPI gels, with the highest WHC of 94.79 % achieved after RAM treatment for 20 min. A 15-20 min RAM treatment altered the secondary structure of proteins in PPI gels, reducing alpha-helix content while increasing beta-sheet content. This treatment also refined the microstructure of PPI gels, changing the surfaces from rough to smooth and the pores from large to small. RAM treatment for 5-20 min decreased the shear viscosity and gel strength of heat-induced PPI gels, although these properties slightly recovered when the treatment was extended to 30 min. Additionally, RAM treatment improved the in vitro digestibility of PPI gels. In conclusion, RAM treatment significantly influenced the structural, mechanical and digestive properties of PPI gels, and this effect can be regulated by adjusting the treatment duration, making it suitable for various practical applications.
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页数:11
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