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首页> 外文期刊>International Journal of Biological Macromolecules: Structure, Function and Interactions >Influence of boswellic acid on multifunctional properties of chitosan/poly (vinyl alcohol) films for active food packaging
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Influence of boswellic acid on multifunctional properties of chitosan/poly (vinyl alcohol) films for active food packaging

机译：雌糖酸对壳聚糖/聚（乙烯醇）薄膜活性食品包装多功能性质的影响

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摘要

Present work aimed to develop active packaging films based on chitosan (CS), poly (vinyl alcohol) (PVA) and boswellic acid (BA), and to evaluate the effect of BA on multifunctional properties of CS/PVA (CPBA) active films. Different compositions of active packaging films were prepared by the solvent casting method. The results indicated that incorporation of BA enhanced the ultraviolet blocking, morphology, mechanical properties, water solubility and hydrophilicity of the CPBA active films. Significant improvement in the barriers properties of BA incorporated CPBA active films were observed. The microbiological screening has demonstrated the antimicrobial activity of the films against Escherichia coli, Staphylococcus aureus and Candida albicans. Furthermore, the prepared active films do not deteriorate the thermal properties after incorporation of BA. The overall migration values of the CPBA active films in contact with food simulants were within the permitted limits. The obtained results indicate that the CPBA active film may be a promising material for food packaging applications. (C) 2020 Elsevier B.V. All rights reserved.
机译：目前的工作旨在基于壳聚糖（CS），聚（乙烯醇）（PVA）和末骨酸（BA）的活性包装膜，并评价BA对Cs / PVA（CPBA）活性膜的多功能性质的影响。通过溶剂浇铸方法制备不同的活性包装膜的组成。结果表明，CPBA活性薄膜的紫外线阻断，形态，机械性能，水溶性和亲水性增强了BA的掺入增强。观察到BA掺入的CPBA活性膜的屏障性质的显着改善。微生物筛查已经证明了薄膜对大肠杆菌，金黄色葡萄球菌和念珠菌的抗菌活性。此外，制备的活性膜不会在掺入BA之后恶化的热性质。与食品模拟器接触的CPBA活性膜的总迁移值在允许的限度内。所得结果表明CPBA活性膜可以是用于食品包装应用的有希望的材料。 （c）2020 Elsevier B.v.保留所有权利。

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