用于半固体食品的SPI/HG复合微凝具有调节结构和风湿学特性
Man Wu1, Houfeng Wang2, Hanyu Lin1
1Engineering Research Centre of FujianTaiwan Special Marine Food Processing and Nutrition (Ministry of Education), Fujian Agriculture and Forestry University, Fuzhou, Fujian, 350002, China; College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
International journal of biological macromolecules
|February 5, 2026
概括
研究人员开发了大豆蛋白分离物和高酸糖微凝作为新型脂肪替代品. 这些可适应的微凝模仿脂肪的质地,并显示出在和黄油等食品中使用的前景.
科学领域:
- 食品科学 食品科学 食品科学
- 材料科学 材料科学 材料科学
- 类风病学 类风病学 类风病学
背景情况:
- 过多的饮食脂肪摄入给公共卫生带来了挑战.
- 脂肪替代剂对于模仿感官脂肪属性至关重要.
- 在食品中复制脂肪的粘性弹性仍然很困难.
研究的目的:
- 为了制造和表征大豆蛋白分离物 (SPI) 和高酸 (HG) 的复合微凝.
- 调查HG度对微凝结构,界面特性和风湿学的影响.
- 评估SPI/HG微凝作为半固体食品中的脂肪替代品的潜力.
主要方法:
- 通过热诱导相分离制造SPI/HG微凝.
- 粒子大小,多分散性和泽塔潜力的表征.
- 测量油-水-固体接触角度和界面特性.
- 分析线性 (SAOS) 和非线性 (LAOS) 脊髓病学,以确定网络结构和粘性弹性.
主要成果:
- 调整HG度显著改变了微凝的合性属性,HG的0.2%产生了最小的,最单分散的粒子.
- 微凝组装涉及协同的键,静电排斥和疏水相互作用.
- 风病学分析显示,在LAOS下,灵活的网络结构和从应变硬化过渡到应变软化行为,表明剪切适应性.
- SPI/HG微凝表现出塑料流动而不损失纹理完整性,表明剪切变形.
结论:
- SPI/HG复合微凝具有可调节的结构和质特性.
- 微凝在半固体食品应用中显示出作为功能性脂肪替代剂的巨大潜力,如黄油和.
- 这些微凝的适应性和剪切变形性使它们适合模仿脂肪的纹理特性.
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