活性奇托桑涂层可以抑制腐烂并保持果收获后的质量
Angelucia Gonçalves Parente1, Ana Caroliny de Souza1, Henrique Sátiro Gama E Silva1
1Institute of Materials Science, Universidade Federal do Vale do São Francisco, Juazeiro, Brazil.
Journal of the science of food and agriculture
|October 22, 2025
概括
一种新的氧化物纳米颗粒和Eucalyptus radiata精油的奇托桑涂层有效地抑制了果中的微生物衰变. 这保证了水果的质量,减少了腐烂,并延长了果行业的保质期.
科学领域:
- 食品科学 食品科学 食品科学
- 微生物学 微生物学
- 材料科学 材料科学 材料科学
背景情况:
- 微生物衰变显著影响果收获后的质量,储存和贸易.
- 开发有效的抗微生物策略对于果产业至关重要.
- 素,氧化纳米颗粒 (ZnO-NPs) 和树辐射精油 (EEO) 具有抗菌性质.
研究的目的:
- 开发和评估一种基于酸盐的活性涂层,其中包括ZnO-NPs和EEO.
- 为了抑制微生物的腐烂,并保持果的收获后质量.
主要方法:
- 使用奇托,ZnO-NPs和EEO,制定了一个活性涂层.
- 在体外对抗微生物活性进行了对抗Lasiodiplodia theobromae,金黄色葡萄球菌和大肠杆菌的评估.
- 在体内有效性被评估在"米·阿特金斯"在9°C存储28天的果,评估度,颜色,呼吸和腐烂.
主要成果:
- 该涂层在体外显示高抑制率 (97.28%) 对L. theobromae菌体生长.
- 与对照组相比,涂层果表现出明显更高的坚硬度 (7.30 N 与 3.42 N 相比) 和减少衰变严重程度 (约64.3%).
- 涂层的水果显示了延迟的呼吸峰值和较低的AUDPC (17.9) 对抗炭糖.
结论:
- 奇托,ZnO-NPs和EEO的协同组合提供了增强的抗菌疗效.
- 涂层有效地保持了收获后的果质量,减少了对合成杀菌剂的依赖.
- 这项技术支持果的扩大分销和改善市场准入.
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