在大豆蛋白分离物凝的风质和微观结构性质上提高了开发酵的效果
Jiaqi Luo1, Siyu Liu1, Hongyun Lu1
1Department of Food Science and Nutrition, Zhejiang University, Hangzhou, Zhejiang 310058, China.
Food research international (Ottawa, Ont.)
|November 21, 2023
概括
开发酵显著改善大豆蛋白分离物 (SPI) 凝特性,增强水能力,硬度和结构完整性. 这种新的方法提供了更好的植物性蛋白质替代品.
科学领域:
- 食品科学 食品科学 食品科学
- 生物技术是生物技术.
- 材料科学 材料科学 材料科学
背景情况:
- 豆蛋白分离物 (SPI) 是一种有价值的植物性蛋白质来源,但由于凝性能差,其应用有限.
- 改善SPI凝的纹理和结构特征对于扩大其作为动物蛋白质产品替代品的使用至关重要.
研究的目的:
- 为了研究发酵对大豆蛋白分离物 (SPI) 与多糖化合物结合的凝特性的影响.
- 评估开发酵对SPI多糖合物凝的纹理,机械,热和结构特性的影响.
主要方法:
- 使用不同度的KGM,酸盐和化的非发酵和开发酵SPI生产SPI多糖化凝.
- 通过纹理分析,风学测量,热重力测量分析,里埃变换红外光谱学,X射线衍射和微结构成像来表征凝性质.
主要成果:
- 开发酵增强了SPI凝的纹理强度,机械结构和热稳定性.
- 发酵的SPI-chitosan凝显著改善了保持水分的能力 (高达65.71%).
- 发酵的SPI-KGM凝表现出增加的硬度 (高达27.11g),凝聚力和弹性,具有更紧和均的网络结构.
结论:
- 开发酵是一种有效的策略,可以改善大豆蛋白分离物的凝性质.
- 该研究提出了一种新的方法,将多种发酵与蛋白质凝结合起来,用于增强的SPI凝材料.
- 这些改进的SPI凝提供了更好的营养和结构性质,扩大了它们作为植物性食品成分的潜力.
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