桑-SNAP复合涂层具有持续的NO释放,用于杀死微生物和保存番茄
Jie Chen1, Hui Zhang2, Yuxin Lin2
1Key Laboratory of Chemical Materials and Green Nanotechnology, College of Chemical Engineering and Materials Science, Quanzhou Normal University, Quanzhou, Fujian 362000, China; College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China.
Food chemistry
|December 14, 2025
概括
这项研究开发了基于酸盐的涂层与氧化捐赠者,以保存水果. 这种创新的食品保存技术通过抑制微生物生长和水分流失来延长番茄的保质期.
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
- 生物技术是生物技术.
背景情况:
- 收获后的食物损失需要先进的保存技术.
- 抗微生物和控制释放系统对于减轻腐败至关重要.
研究的目的:
- 开发基于奇托 (CS) 的涂料,将S-nitroso-N-乙-DL-penicillamine (SNAP) 作为氧化 (NO) 捐赠剂.
- 评估这些CS/SNAP涂层的持续抗微生物释放和果实保存能力.
主要方法:
- 制造具有不同SNAP负载的CS/SNAP涂层.
- 涂层性能的特征:透明度,紫外线阻,水溶性和灵活性.
- 在15天内评估NO释放动力学.
- 使用抑制区测试对抗微生物 (抗菌和抗真菌) 活性进行评估.
- 在番茄上涂上CS/SNAP12涂层,以评估保存效应 (减肥,坚固,乙烯生产).
- 通过细胞毒性和种子发芽试验进行生物相容性测试.
主要成果:
- CS/SNAP涂料表现出高透明度,强烈的紫外线阻,以及快速的水溶性.
- 增加SNAP负载增加了涂层的灵活性.
- 涂料在15天内持续释放NO,具有强烈的抗菌和抗真菌活性.
- 在西红上应用显著减少了体重减轻,保持了度,抑制了乙烯生产,并将保质期延长到15天.
- 细胞毒性和种子发芽测试证实了涂料的生物相容性.
结论:
- 开发的CS/SNAP涂层提供了一个可扩展的,环保的解决方案,用于保存易腐烂的食品.
- 这项技术协同控制呼吸,微生物生长和水分损失,延长保质期.
- 这些涂层代表了一种有希望的方法来减少收获后的食物损失.
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