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首页> 外文期刊>International Journal of Biological Macromolecules: Structure, Function and Interactions >Development of antioxidant chitosan film with banana peels extract and its application as coating in maintaining the storage quality of apple
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Development of antioxidant chitosan film with banana peels extract and its application as coating in maintaining the storage quality of apple

机译：香蕉皮提取物的抗氧化壳聚糖薄膜的研制及其应用作为涂层涂层保持苹果储存质量

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摘要

In the present study, the antioxidant chitosan (CS)-banana peels extract (BPE) composite film was developed. The different content of BPE (4%, 8% and 12%) was added to the CS film not only as the antioxidant but also as the cross-linking. The CS, CS-4% BPE, CS-8% BPE and CS-12% BPE films were characterized by scanning electron microscopy (SEM), fourier transform infrared spectroscopy (FTIR), X-ray diffraction analysis (XRD) and thermogravimetric analysis (TGA). The physical and mechanical properties possessed by the CS and CS-BPE films were compared as well, and the CS-4 %BPE composite film exhibited the most excellent properties. The decline in moisture contents, water solubility and water vapor permeability of CS-BPE composite film indicated the reduced hydrophilicity. Moreover, the CS-BPE composite film exhibited excellent antioxidant activity in different food simulants. Finally, the optimal concentration of CSBPE coating treatment was identified and applied to apple fruit, and the results showed that CS-BPE coating was more capable of improving the postharvest quality of apple fruit than CS coating. This study evidences the promising nature of CS-BPE composite film and coating as a desirable alternative for active packaging and it is believed as conducive to valorization of banana peel by-products for allied applications. (C) 2019 Elsevier B.V. All rights reserved.
机译：在本研究中，开发了抗氧化壳聚糖（CS）-Banana剥离提取物（BPE）复合膜。将BPE（4％，8％和12％）的不同含量加入到Cs膜中，不仅是抗氧化剂，而且作为交联。通过扫描电子显微镜（SEM），傅里叶变换红外光谱（FTIR），X射线衍射分析（XRD）和热重分析，CS-8％BPE和CS-12％BPE膜的特征在于CS-8％BPE和CS-12％BPE膜。 （TGA）。比较Cs和Cs-BPE膜的物理和机械性能也比较，CS-4％BPE复合膜表现出最优异的性质。 CS-BPE复合膜的水分含量，水溶性和水蒸气渗透性的下降表明了亲水性降低。此外，CS-BPE复合膜在不同食品模拟中表现出优异的抗氧化活性。最后，鉴定了CSBPE涂层处理的最佳浓度并施加到苹果果上，结果表明，Cs-BPE涂层更能改善苹果果实的比赛质量而不是Cs涂层。这项研究证明了CS-BPE复合薄膜和涂层作为主动包装的理想替代方案的有希望的性质，并且据信是有利于Banana Peel副产物的算法，用于盟友应用。 （c）2019 Elsevier B.v.保留所有权利。

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