加载埃斯库林可以改善奇托/乳清蛋白分离复合膜的形态和抗菌特性
Yating Zhang1, Lixin Yi2,3, Honghui Zhao4
1School of Pharmacy, Shenyang Medical College, Shenyang, China.
Natural product research
|April 21, 2025
概括
这项研究开发了一种可生物降解的复合膜,使用奇托 (CTS),乳清蛋白分离物 (WPI) 和埃斯库林 (ES). 增强埃斯库林的薄膜显示出改善的机械强度,抗氧化和抗菌特性,有效地保护了桃番茄.
科学领域:
- 材料科学 材料科学 材料科学
- 食品科学 食品科学 食品科学
- 生物技术是生物技术.
背景情况:
- 生物降解膜对于可持续的包装解决方案至关重要.
- 酸盐 (CTS) 和乳清蛋白分离物 (WPI) 是电影开发的有希望的生物聚合物.
- 加入活性化合物可以增强膜的功能.
研究的目的:
- 使用CTS,WPI和糖醇准备和描述复合膜.
- 研究埃斯库林 (ES) 作为抗菌剂对膜性质的影响.
- 评估ES修饰薄膜在桃番茄保存中的性能.
主要方法:
- 复合膜是通过混合CTS,WPI和甘油的溶液来制备的.
- 埃斯库林 (ES) 被纳入作为一种活性抗菌化合物.
- 鉴定包括结构分析,物理性质测试 (机械,屏障),抗氧化活性和对大肠杆菌和黄金杆菌的抗菌分析.
主要成果:
- 与CTS/WPI/ES (C/W/ES) 薄膜相比,CTS/WPI/ES (C/W/ES) 薄膜表现出增强的机械性能 (抗拉强度+36.4%,破裂延伸+9.6%) 和屏障性能.
- C/W/ES薄膜的抗氧化活性和生物降解性分别增加了37.0%和33.65%.
- 观察到对大肠杆菌和金杆菌有显著的抗菌活性,对减少桃番茄保存品的减肥和腐烂率产生积极影响.
结论:
- 将埃斯库林 (ES) 纳入奇托/乳清蛋白分离复合膜可以显著改善它们的机械,屏障,抗氧化和抗菌功能.
- 开发的可生物降解复合膜显示了积极食品包装应用的潜力,特别是延长桃番茄等水果的保质期.
- ES加载提高了可生物降解复合膜的整体性能和形态.
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