基于绵羊尾巴脂肪的纳米结构脂质载体的制备和表征
Linze Liu1, Hangqi Ren1, Yilan Wu1
1College of Food Science and Engineering, Inner Mongolia Agricultural University, 306 Zhaowuda Road, Hohhot, Inner Mongolia 010018, China; China-Mongolia Biomacromolecule Application "Belt and Road" Joint Laboratory, Hohhot, Inner Mongolia 010018, China; Engineering Research Center of Comprehensive Utilization of Livestock By-products of Inner Mongolia Autonomous Region, Hohhot 010018, Inner Mongolia, China.
Food chemistry
|November 30, 2025
概括
绵羊尾巴脂肪形成有效的纳米结构脂质载体 (NLC) 供应氨酸. 通过Tween 80稳定和更高的凝固温度实现了最佳生物可访问性,这突显了NLC结晶控制的重要性.
科学领域:
- 脂质纳米粒子技术的技术
- 生物活性化合物输送系统
- 食品科学与技术 食品科学与技术
背景情况:
- 纳米结构脂质载体 (NLC) 是生物活性化合物的先进输送系统.
- 绵羊尾巴脂肪提供了一个独特的脂质矩阵,由于其混合的高和低点脂质.
- 了解NLC特性对于有效的生物活性化合物封装和释放至关重要.
研究的目的:
- 用羊尾脂作为脂质矩阵来准备和描述NLC.
- 研究固化温度和表面活性剂对NLC特性的影响.
- 评估开发的NLC的素 (Qc) 传递效率和生物可访问性.
主要方法:
- 使用羊尾脂和各种Tweens (20,40,60,80) 的NLC制备.
- 物理化学分析包括粒子大小和泽塔潜力.
- 结晶行为,消化特性和封装效率评估.
- 在不同的条件下确定奎尔的生物可访问性.
主要成果:
- 在60天内,NLC颗粒大小在251-285nm之间.
- 在80个稳定NLC (T80-NLC) 之间,在25°C固化,表现出最大的Qc封装 (82.9%) 和生物可访问性 (42.8%).
- 较低的固化温度 (4°C) 将T80-NLC的生物可访问性降低到19.3%,这是由于中断的界面结构.
结论:
- 绵羊尾巴脂肪是NLC配方的可行的脂质矩阵.
- 表面活性剂的选择和固化温度显著影响NLC结晶,稳定性和Qc生物可访问性.
- 优化的NLC配方,如在25°C凝固的T80-NLC,增强氨酸的输送和生物可用性.
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