基于海藻多糖和碳甲基的多功能活性包装薄膜,用于增强食品保存
Xinyang Hu1, Bin Wang1, Jinpeng Li1
1Plant Fiber Material Science Research Center, State Key Laboratory of Advanced Papermaking and Paper-based Materials, School of Light Industry and Engineering, South China University of Technology, Guangzhou, 510640, China.
International journal of biological macromolecules
|February 11, 2026
概括
这项研究开发了一种新型的活性包装膜,使用海藻多糖化物 (Undaria pinnatifida和Sargassum pallidum) 和碳素甲基基. 该膜提供UV阻,抗氧化和抗糖化特性,延长草的保质期.
科学领域:
- 海洋生物技术 海洋生物技术
- 食品科学 食品科学 食品科学
- 材料科学是一种材料科学.
背景情况:
- 海藻多糖类具有宝贵的生物活性和膜形成能力.
- 以前的研究还没有充分利用各种海藻多糖.
- 需要先进的活性包装材料.
研究的目的:
- 通过将来自Undaria pinnatifida (PUPPS-0.25) 和Sargassum pallidum (CSPPS-0.05) 的酶辅助多糖化合物与炭甲基 (CMCS) 结合起来,开发一种新的活性包装膜.
- 评估复合膜在食品保存中的多功能特性和有效性.
主要方法:
- 在酶辅助下从Undaria pinnatifida和Sargassum pallidum中提取多糖.
- 编制包含PUPPS-0.25,CSPPS-0.05和CMCS的复合薄膜.
- 使用FTIR,XRD,机械测试和水蒸气屏障分析对薄膜特性进行表征.
- 用于草保存的应用测试,评估微生物生长,减肥,营养降解和保质期.
主要成果:
- 优化的复合膜 (0.25%CSPPS-0.05) 显示出完全的紫外线阻断,增强了抗氧化和抗糖化活性.
- 结构分析证实,由于PUPPS-0.25,CMCS和CSPPS-0.05.5之间的相互作用,凝聚力和性能得到改善.
- 该膜表现出优越的机械强度 (19.75 MPa) 和水蒸气屏障特性 (8.07 g·mm·m−2·d−1·kPa−1).
- 草保存显示抑制了微生物生长,减轻了体重减轻,延迟了营养降解,延长了保质期 (>7天).
- 先进的糖化最终产品的抑制活性增加了83.58%至29.30%与0.25%的CSPPS.
结论:
- 开发的复合膜显示出作为下一代活性包装材料的巨大潜力.
- 海洋多糖类可以有效地集成,以创建多功能食品包装.
- 该战略为延长食品的保质期和减少浪费提供了创新解决方案.
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