植物酶处理的大豆蛋白的胃消化行为研究:一种半动态消化方法
Chuanwu Han1, Zihui Xu1, Kaiyun Wu1
1National Engineering Research Center of Wheat and Corn Further Processing, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China University of Technology, Guangzhou 510640, China.
Food chemistry
|September 7, 2024
概括
植物酶治疗通过减少植物酸盐含量和提高溶解度来增强大豆蛋白质的消化. 这导致更快的消化和较弱的聚合,有利于临床营养应用.
科学领域:
- 食品科学 食品科学 食品科学
- 生物化学 生化学
- 营养科学 营养科学
背景情况:
- 植物蛋白,特别是大豆蛋白,是重要的营养来源.
- 消化系统的特点显著影响蛋白质的营养价值和利用.
- 植物蛋白中的植物酸盐含量会阻碍矿物质的吸收和蛋白质的消化.
研究的目的:
- 为了研究植物酶治疗对大豆蛋白的体外胃消化作用.
- 评估大豆蛋白质性质的变化,包括植物酸盐含量,同电点,可溶性和聚合.
- 为了确定植物酶处理对大豆蛋白消化速度的影响.
主要方法:
- 使用了体外半动态消化模型.
- 分析了大豆蛋白质的植物酸盐含量,同电点和溶解度的变化.
- 对比了经过植物酶处理和未经处理的大豆蛋白分离物 (SPI) 的消化速度和总体形成.
主要成果:
- 植物酶治疗显著降低了大豆蛋白中的植物酸盐含量.
- 同电点向性范围转移,在pH值4.0下溶解性得到改善.
- 与未经处理的SPI相比,植物酶处理,特别是在酸性沉后,削弱了聚合物形成,并增加了至少15分钟的消化速度.
结论:
- 植物酶治疗是增强大豆蛋白消化的一种有效策略.
- 修改后的大豆蛋白质表现出更快的消化和减少凝块形成的能力.
- 研究结果为在临床营养和专业医疗食品中应用改进的大豆蛋白提供了洞察力.
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