用于食品包装的具有抗菌和抗氧化特性的功能性纤维素薄膜的最新进展,Journal of Agricultural and Food Chemistry

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用于食品包装的具有抗菌和抗氧化特性的功能性纤维素薄膜的最新进展
Journal of Agricultural and Food Chemistry ( IF 5.7 ) Pub Date : 2023-10-25 , DOI: 10.1021/acs.jafc.3c06004
Yihan Shen ₁ , Farzad Seidi ₁ , Mehraj Ahmad ₁ , Yuqian Liu ₁ , Mohammad Reza Saeb ₂ , Ali Akbari ₃ , Huining Xiao ₄

Affiliation

食品包装在全球食品保存中发挥着至关重要的作用。然而，传统的包装系统是被动层，保护食品质量的效率较低。因此，包装食品因微生物的氧化和生长而逐渐变质。此外，大多数商业包装薄膜都是由石油基材料制成，这引起了环境问题。因此，环保型天然活性包装系统的开发引起了科学家的关注。纤维素作为地球上最丰富的多糖，具有高生物相容性、无毒、高生物降解性，广泛应用于包装薄膜的制造。然而，纯纤维素基薄膜缺乏抗氧化和抗菌活性。因此，纯纤维素基薄膜是食品保鲜性能较弱的钝化薄膜。活性薄膜是通过在薄膜中加入抗氧化剂和抗菌剂而开发的。在这篇综述中，我们探索了通过将天然提取物、天然多酚、纳米颗粒和微粒子纳入纤维素基薄膜配方中来制造抗菌/抗氧化纤维素基活性包装薄膜的最新研究。我们将这些类型的包装薄膜分为两大类：（i）混合薄膜，通过将纤维素溶液与其他可溶性抗菌/抗氧化剂（例如天然提取物和多酚）混合而获得；(ii) 通过将抗菌/抗氧化剂纳米或微填料分散到纤维素溶液中而制成的复合膜。这些添加剂对薄膜抗氧化和抗菌性能的影响已经得到解释。此外，还简要讨论了薄膜其他性能（如亲水性、水蒸发速率和机械性能）的变化。

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Recent Advances in Functional Cellulose-based Films with Antimicrobial and Antioxidant Properties for Food Packaging

The packaging of food plays a crucial role in food preservation worldwide. However, traditional packaging systems are passive layers with weak efficiency in protecting the food quality. Therefore, packaged foods are gradually spoiled due to the oxidation and growth of microorganisms. Additionally, most of the commercial packaging films are made of petroleum-based materials which raise environmental concerns. Accordingly, the development of eco-friendly natural-derived active packaging systems has increased the attention of scientists. Cellulose as the most abundant polysaccharide on earth with high biocompatibility, no toxicity, and high biodegradability has extensively been applied for the fabrication of packaging films. However, neat cellulose-based films lack antioxidant and antimicrobial activities. Therefore, neat cellulose-based films are passive films with weak food preservation performance. Active films have been developed by incorporating antioxidants and antimicrobial agents into the films. In this review, we have explored the latest research on the fabrication of antimicrobial/antioxidant cellulose-based active packaging films by incorporating natural extracts, natural polyphenols, nanoparticles, and microparticles into the cellulose-based film formulations. We categorized these types of packaging films into two main groups: (i) blend films which are obtained by mixing solutions of cellulose with other soluble antimicrobial/antioxidant agents such as natural extracts and polyphenols; and (ii) composite films which are fabricated by dispersing antimicrobial/antioxidant nano- or microfillers into the cellulose solution. The effect of these additives on the antioxidant and antimicrobial properties of the films has been explained. Additionally, the changes in the other properties of the films such as hydrophilicity, water evaporation rate, and mechanical properties have also been briefly addressed.

更新日期：2023-10-25

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