预吸收的唾液对乳制品和唾液蛋白之间的相互作用的结构反应
Nengneng Fan1, Heather M Shewan1, Gleb E Yakubov1
1The School of Chemical Engineering, The University of Queensland, Brisbane, Queensland 4072, Australia.
Langmuir : the ACS journal of surfaces and colloids
|May 23, 2024
概括
乳制品蛋白质显著改变唾液的结构和特性. 素导致部分崩,导致更薄,更硬的皮质,影响滑和纹理感知.
科学领域:
- 生物材料科学 生物材料科学
- 表面化学 表面化学
- 食品科学 食品科学 食品科学
背景情况:
- 唾液,牙上的蛋白质层,影响口腔健康和感官感知.
- 了解皮质-乳制品蛋白相互作用对于食品质感和口腔卫生洞察至关重要.
研究的目的:
- 研究不同乳制品蛋白质如何影响预吸收的唾液的结构和特性.
- 为了将结构变化与滑行为和感官感知相关联.
主要方法:
- 使用了带有散射的石英晶体微平衡,原子力显微镜和扫描电子显微镜.
- 检查了PDMS表面暴露于状素,脱脂牛奶,乳清蛋白分离物 (WPI) 和脱脂牛奶/WPI混合物之前和之后的唾液皮质结构.
主要成果:
- 乳制品蛋白质类型显著影响皮膜水分,粘性弹性和吸附质量.
- 乳清蛋白相互作用使皮膜变软.
- 微粒素暴露导致皮膜的部分崩,导致更薄,更刚硬的层影响滑.
结论:
- 素与唾液的相互作用比以前认为的更为显著,影响其结构和机械特性.
- 这些发现提供了关于乳制品衍生的口腔感觉,纹理感知和口腔卫生机制的见解.
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