基于纳米乳液的多层薄膜用于防腐牛肉:抗菌活性和物理化学特性
Fatemeh Baghi1,2, Sami Ghnimi1,2, Emilie Dumas1
1University of Lyon, Université Claude Bernard Lyon 1, CNRS, LAGEPP UMR 5007, F-69622 Villeurbanne, France.
Molecules (Basel, Switzerland)
|June 10, 2023
概括
这项研究开发了可生物降解的抗微生物多层包装薄膜,使用丁和乙基纤维素与跨甲纳米乳液. 这些膜有效地抑制了食物传播细菌,为食品包装行业带来了前景.
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
- 聚合物科学 聚合物科学
背景情况:
- 膜提供生物降解性,但需要提高食品包装的性能.
- 乙纤维素可以提供结构支持和屏障特性.
- 抗微生物药物,如甲,可以提高食品安全.
研究的目的:
- 为了增强点膜的物理,机械和生物特性.
- 在乙纤维素 (EC) 层之间创建多层薄膜,其中包含纳米乳化转甲 (TC).
- 评估开发的用于食品保存的薄膜的抗菌疗效.
主要方法:
- 用纳米乳化TC制造单层pectin膜的制造.
- 多层EC/P/EC膜的构造.
- 薄膜特性 (不透明度,吸收湿度,机械强度) 的表征.
- 评估在碎牛肉肉片中对食源性细菌的抗微生物活性.
主要成果:
- 纳米乳液的结合增加了膜的不透明度和抗菌活性,但降低了耐湿性.
- 多层EC/P/EC薄膜比单层薄膜具有更好的拉伸强度和延伸性.
- 这两种膜类型都有效地抑制了在8°C下存储10天的牛肉中的细菌生长.
结论:
- 可生物降解的抗微生物多层包装膜可以有效地设计使用EC/P/EC结构与TC纳米乳液.
- 这些片显示出在食品包装行业应用的巨大潜力,以延长保质期并确保安全.
- 该研究强调了开发先进活性食品包装解决方案的可行策略.
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