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Biodegradable packaging based on pla with antimicrobial properties
Logforum Pub Date : 2020-06-30 , DOI: 10.17270/j.log.2020.391
Natalia Czaja-Jagielska , , Anna Praiss , Michał Walenciak , Dajana Zmyślona , Natalia Sankowska

Background: Packaging is an inseparable element of most consumer products. In addition to its primary passive protective and logistic function, it is also an excellent tool for the innovation development. One of the types of packaging innovations in the food and cosmetic industry are antimicrobial packaging. They are an example of packaging that actively protects packed products and eliminates harmful preservatives. Protection of goods against microbial spoilage extends shelf life and at the same time facilitates storage processes. Methods: This paper aims to obtain biodegradable films based on PLA with antimicrobial properties. Four different natural antimicrobial agents were used: clove essential oil, peppermint essential oil, and two commercial powders containing nisin (Nisaplin and Novagard). The mechanical, barrier and optical properties were tested. Results: The implementation of antimicrobial agents changed the properties of the tested bio-packaging in different rate depending on the agent. The new blends showed antimicrobial activity, however the addition of antimicrobials weakened the mechanical properties and changed the colour. Conclusions: The biodegradable packaging materials can be used as a polymer matrix of different antimicrobial agents. They can inhibit the growth of bacteria in food or cosmetics and regarding their future use the influence on mechanical properties should be considered. Moreover, the biodegradability of biopolymers containing antimicrobial agents has barely been investigated.

中文翻译:

基于具有抗菌特性的pla的可生物降解包装

背景:包装是大多数消费产品不可分割的要素。除了主要的被动保护和后勤功能外,它还是创新发展的绝佳工具。食品和化妆品行业中包装创新的类型之一是抗菌包装。它们是有效保护包装产品并消除有害防腐剂的包装示例。保护商品免遭微生物变质的影响,可以延长货架寿命,同时也可以促进存储过程。方法:本文旨在获得具有抗菌特性的基于PLA的可生物降解膜。使用了四种不同的天然抗菌剂:丁香精油,薄荷精油和两种含有乳链菌肽的商业粉末(尼沙林和诺瓦加德)。机械的 测试了阻挡层和光学性能。结果:抗菌剂的实施以不同的速率改变了所测试生物包装的特性,具体取决于试剂。新的共混物显示出抗菌活性,但是添加抗菌剂会削弱机械性能并改变颜色。结论:可生物降解的包装材料可用作不同抗菌剂的聚合物基质。它们可以抑制食品或化妆品中细菌的生长,因此考虑到它们的未来用途对机械性能的影响。此外,几乎没有研究含抗菌剂的生物聚合物的生物降解性。抗菌剂的实施以不同的速率改变了所测试生物包装的特性,具体取决于试剂。新的共混物显示出抗菌活性,但是添加抗菌剂会削弱机械性能并改变颜色。结论:可生物降解的包装材料可用作不同抗菌剂的聚合物基质。它们可以抑制食品或化妆品中细菌的生长,因此考虑到它们的未来用途对机械性能的影响。此外,几乎没有研究含抗菌剂的生物聚合物的生物降解性。抗菌剂的实施以不同的速率改变了所测试生物包装的特性,具体取决于试剂。新的共混物显示出抗菌活性,但是添加抗菌剂会削弱机械性能并改变颜色。结论:可生物降解的包装材料可用作不同抗菌剂的聚合物基质。它们可以抑制食品或化妆品中细菌的生长,因此考虑到它们的未来用途对机械性能的影响。此外,几乎没有研究含抗菌剂的生物聚合物的生物降解性。可生物降解的包装材料可以用作不同抗微生物剂的聚合物基质。它们可以抑制食品或化妆品中细菌的生长,因此考虑到它们的未来用途对机械性能的影响。此外,几乎没有研究含抗菌剂的生物聚合物的生物降解性。可生物降解的包装材料可以用作不同抗微生物剂的聚合物基质。它们可以抑制食品或化妆品中细菌的生长,因此考虑到它们的未来用途对机械性能的影响。此外,几乎没有研究含抗菌剂的生物聚合物的生物降解性。
更新日期:2020-06-30
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