Nur Hanani Z A, Reich F, Tolksdorf T, Siemen H, Bandick N
Department of Food Technology, Faculty of Food Science and Technology, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.
German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Straße 8-10, 10589 Berlin, Germany.
Heliyon. 2022 Oct 10;8(10):e11019. doi: 10.1016/j.heliyon.2022.e11019. eCollection 2022 Oct.
Active packaging films based on gelatin with silver-kaolinite (Ag-Kln) were developed and their effects on the quality and microbial growth of beef meat stored in different packaging systems (cling film, vacuum and modified atmosphere packaging) at 4 °C for 13 days were evaluated. The analysis revealed that Ag-Kln packaging films had no adverse effects on the pH and colour of the beef samples irrespective of the packaging system used. Beef meat in packaging with active films lost more weight (P < 0.05) than without active films for meat in the vacuum and modified systems on day 13. In general, these gelatin films with Ag-Kln showed the potential as antibacterial films and could enhance the shelf life of food products, however, further studies are required to establish the release rate of silver from packaging films, as well as test the efficiency of these materials under different storage conditions. In conclusion, this study revealed that gelatin film with silver-kaolinite is a promising antibacterial agent and preservation material for food shelf life extension.
开发了基于明胶与银-高岭土（Ag-Kln）的活性包装薄膜，并评估了它们对在4°C下于不同包装系统（保鲜膜、真空包装和气调包装）中储存13天的牛肉品质和微生物生长的影响。分析表明，无论使用何种包装系统，Ag-Kln包装薄膜对牛肉样品的pH值和颜色均无不利影响。在第13天，与未使用活性薄膜包装的牛肉相比，使用活性薄膜包装的牛肉在真空和气调包装系统中失重更多（P<0.05）。总体而言，这些含有Ag-Kln的明胶薄膜显示出作为抗菌薄膜的潜力，并可延长食品的保质期，然而，需要进一步研究以确定银从包装薄膜中的释放速率，以及测试这些材料在不同储存条件下的效率。总之，本研究表明，含银-高岭土的明胶薄膜是一种有前景的抗菌剂和用于延长食品保质期的保鲜材料。
