Effects of ultrasonic and steam-cooking treatments on the physicochemical properties of bamboo shoots protein and the stability of O/W emulsion

被引：7
|
作者：
Du, Jingjing [1 ,2 ]
Zhu, Qian [1 ,2 ]
Guo, Jiagang [1 ,2 ]
Wu, Yuhan [1 ,2 ]
Hu, Zhangqing [3 ]
Yang, Song [1 ,2 ]
Jiang, Jian [1 ,2 ]
机构：
[1] Anhui Acad Agr Sci, Inst Agroprod Proc, Hefei 230031, Anhui, Peoples R China
[2] Anhui Acad Agr Sci, Anhui Engn Lab Funct Microorganisms & Fermented Fo, Hefei 230036, Peoples R China
[3] Anhui Agr Univ, Coll Tea & Food Sci, Anhui Engn Lab Agr Prod Proc, Hefei 230036, Peoples R China
来源：
HELIYON | 2023年 / 9卷 / 09期
关键词：
Bamboo shoots protein 1; Ultrasonic; 2; Steam-cooking; 3; Pickering emulsions 4; SOYBEAN PROTEIN; PARTICLES; OKARA;
D O I：
10.1016/j.heliyon.2023.e19825
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
In this study, the effects of ultrasonic and steam-cooking treatments on the physicochemical and emulsifying properties of bamboo shoots protein (BSP) were investigated. The particle size and the polydispersity index (PDI) of U-BSP (ultrasonic-BSP) both decreased. Fourier transform infrared spectroscopy (FTIR) showed that the secondary structure of U-BSP was more loose. Furthermore, X-ray diffraction (XRD) and thermogravimetric (TGA) analysis suggested that crystallinity amd thermal stability of U-BSP both deceased. The water and oil holding capacity (WHC/OHC) of U-BSP increased, while steam-cooking treatment had the reverse effect. We also investigated the effects of ultrasonic and steam-cooking treatments on BSP-stabilized emulsions. The viscosity of emulsion stabilized by U-BSP increased and the distribution of emulsion droplets was more uniform and smaller. The results showed that ultrasonic treatment significantly improved the stability of BSP-stabilized emulsions, while steam-cooking treatment had a significant negative impact on the stability of BSP-stabilized emulsions. The work indicated ultrasonication is an effective treatment to improve the emulsifying properties of BSP.
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页数：11
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