基于金属纳米粒子的活性包装复合膜在生鲜食品保鲜领域的研究进展  

Recent Advances in Research on Metal Nanoparticle-Based Active Composite Packaging Films for Fresh Food Preservation

作　　者：司星雨 刘帅[1] 张扬[1] SI Xingyu;LIU Shuai;ZHANG Yang(College of Chemistry and Materials Engineering,Beijing Technology and Business University,Beijing 100048,China)

机构地区：[1]北京工商大学化学与材料工程学院,北京100048

出　　处：《食品科学》2024年第12期340-348,共9页Food Science

基　　金：北京市自然科学基金面上项目(2242032);北京市科技重点项目(市自然基金-市教委联合资助)(KZ202010011019)。

摘　　要：近年来,人们对生鲜食品品质的关注不断提高。如何减少其腐败损失并保障消费者的食用安全对于支撑食品行业高质量发展、满足人民日益增长的美好生活需要具有重要意义。活性包装复合膜在改善生鲜食品品质方面作用显著。其中,基于金属纳米粒子与聚合物复合制得的复合膜能够抑制细菌的生长和代谢,减缓食品氧化过程,减少贮藏微环境中的有害成分,提高食品的安全性并延长保质期。金属纳米粒子/聚合物复合膜现已成为食品保鲜领域的研究热点。基于此,本文首先归纳总结了金属纳米粒子/聚合物复合膜的制备方法及特点;随后,从抗菌、抗氧化、清除乙烯、高阻隔性等方面综合分析了复合膜的保鲜机制,探讨了复合膜的传感功能及其生物安全性;最后,阐述了复合膜应用当前面临的挑战,并展望了未来发展的机遇,以期推动复合膜在生鲜食品包装领域的研究和应用。Concerns about fresh food quality have continuously increased in recent years.Reducing the spoilage and loss of fresh foods and ensuring their safety for consumption are of great significance to facilitating the high-quality development of the food industry and meeting people’s growing needs for a better life.Active composite packaging films have demonstrated remarkable efficacy in enhancing the quality of fresh foods.Metal nanoparticle-polymer composite films can inhibit microbial growth and metabolism,slow down the oxidation process of foods,and reduce harmful substances in the storage microenvironment,thereby improving the safety of foods and finally extending the shelf life.As such,active composite packaging films have become a research hotspot in the field of food preservation.This review first summarizes the fabrication strategies and characteristics of metal nanoparticle-polymer composite films.Subsequently,a comprehensive analysis of the mechanism of food preservation by the composite films is conducted from the aspects of antibacterial effect,antioxidant effect,ethylene removal,and high barrier properties.Additionally,the sensing function and biosafety of the composite films are explored.Finally,the current challenges for the application of the composite films are elaborated,and an outlook on future opportunities is provided with a view to promoting the research and application of composite films in the field of fresh food packaging.

关 键 词：生鲜食品 金属纳米粒子 活性包装复合膜 保鲜机制 应用 

分 类 号：TS206.4[轻工技术与工程—食品科学]