液动力学化对大豆蛋白隔离物-利格南/斯蒂尔本多结合物的结构和功能性质的影响
Ning Hua1, Xian'e Ren1,2, Feng Yang1,2
1Guangxi Key Laboratory of Green Processing of Sugar Resources, Key Laboratory for Processing of Sugar Resources of Guangxi Higher Education Institutes, School of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou 545006, China.
水力动态化增强大豆蛋白分离物 (SPI) 和多联合. 这种创新方法提高了产生的蛋白质-联体的结合能力,结构性质,乳化特性和抗氧化活性.
科学领域:
- 食品科学与技术 食品科学与技术
- 生物化学 生物化学
- 材料科学 材料科学 材料科学
背景情况:
- 大豆蛋白分离物 (SPI) 是一种有价值的蛋白质来源,具有功能修饰的潜力.
- 聚醇,包括斯蒂尔本 (复星,聚达丁) 和林 (阿克提因,马格诺洛尔),具有显著的健康益处.
- 创建稳定的蛋白质多联体可以提高两种成分的生物可用性和功能.
研究的目的:
- 为了研究水力动力腔化作为制备大豆蛋白分离物 (SPI) -多联合物的新技术的有效性.
- 分析水力动力学化对SPI-多联体的结合能力,结构特征和功能性质的影响.
主要方法:
- 使用水力动力腔化制备SPI - 聚烯合物.
- 分析聚结合能力,暴露的硫和自由氨基群含量.
- 使用UV-Vis,光,FTIR和循环二极化谱学的结合结构的表征.
主要成果:
- 水力动态化处理增加了SPI中活性组的暴露,增强了多结合能力.
- SPI-多联体呈现出增加的UV-Vis吸收,降低光强度,以及改变的二次结构 (增加α-螺旋和随机线圈).
- 结合物显示暴露的硫和自由氨基群减少,表明成功结合.
结论:
- 液动力学化是一种有效和创新的方法,用于制造SPI-多联.
- 准备好的结合物显示出改善的乳化特性和增强的抗氧化活性.
- 这种技术为开发功能性食品成分和营养药品提供了一个有前途的方法.
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