不同离子对核桃蛋白结构及功能特性的影响Effects of different ions on the structure and functionality of walnut protein
为了有效提高核桃蛋白的利用率,拓展核桃蛋白在食品领域的应用范围,采用阴离子(Cl-、PO3-4、S2O2-3、HCO-3)和阳离子(Na+、K+、Mg2+、Ca2+)对核桃蛋白进行改性,并对改性后核桃蛋白的结构与功能特性进行研究。结果显示:阴离子PO3-4、HCO-3 和阳离子Na+、Mg2+增加了核桃蛋白的巯基含量;除了Cl-和K+,其他6种离子改性核桃蛋白的二硫键含量均下降,其中HCO-3改性核桃蛋白下降最多;8种离子对核桃蛋白的亚基组成无影响;Cl-、PO3-4、Na+和Ca2+使核桃蛋白构象稳定性提高,而HCO-3会使核桃蛋白紧密程度变差;不同离子对核桃蛋白溶解度的影响存在差异;不同离...
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Main Author: | 任祥瑞1, 赵晓燕1, 刘红开1, 张晓伟1, 王萌1, 虎海防2"REN Xiangrui1, ZHAO Xiaoyan1, LIU Hongkai1, ZHANG Xiaowei1, WANG Meng1, HU Haifang2" |
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Format: | Article |
Language: | English |
Published: |
中粮工科(西安)国际工程有限公司
2024-12-01
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Series: | Zhongguo youzhi |
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Online Access: | http://tg.chinaoils.cn/zgyz/ch/reader/create_pdf.aspx?file_no=20241204&flag=1 |
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