首页> 外文期刊>Journal of Polymers and the Environment >Production and Characterization of Nanocomposite Film Based on Whey Protein Isolated/Copper Oxide Nanoparticles Containing Coconut Essential Oil and Paprika Extract
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Production and Characterization of Nanocomposite Film Based on Whey Protein Isolated/Copper Oxide Nanoparticles Containing Coconut Essential Oil and Paprika Extract

机译:基于乳清蛋白的乳清蛋白分离/铜氧化物纳米粒子的纳米复合膜的生产与鉴定含椰子精油和辣椒粉提取物

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摘要

This study aimed to produce a whey protein isolate (WPI) based nanocomposite film containing copper oxide nanoparticles (CuONPs) with coconut essential oil (CEO) (0, 0.4, 0.8% w/v) and paprika extract (PE) (0, 0.03, 0.06% w/v) using a central compound design (CCD). Antioxidant capacity, water vapor permeability, mechanical properties, antimicrobial activity, morphological characteristics Fourier transform infrared (FTIR), X-ray diffraction (XRD), and thermal properties of films were investigated. In addition to the properties of CuONPs, CEO, and PE, this effect was due to hydrogen interactions between them and the biopolymer matrix. As confirmed by the FTIR and XRD, the co-application of PE and CEO due to the synergistic effect of pigment on the antimicrobial properties of CEO and increasing the content of antimicrobial compounds in the film showed the highest activity againstStaphylococcus aureusandEscherichia coli. The results of the thermal property analysis of the films showed the formation of a complex between the nanocomposite film with CEO and PE. In summary, the results of the present study showed that nanocomposite films containing the combination of PE and the CEO could be useful in food packaging.
机译:该研究旨在产生含有碳化铜纳米粒子(CuOnps)的乳清蛋白分离物(WPI)纳米复合材料薄膜,椰子精油(CeO)(0,0.4,0.8%w / v)和辣椒粉提取物(pe)(0,0.03使用中央复合设计(CCD),0.06%w / v)。研究了抗氧化能力,水蒸气渗透性,机械性能,抗微生物活性,形态学特性傅里叶变换红外(FTIR),X射线衍射(XRD)和薄膜的热性能。除了CuONPS,CEO和PE的性质外,这种效果是由于它们与生物聚合物基质之间的氢相互作用。如FTIR和XRD所确认的,PE和首席执行官的共同应用是由于色素对CEO的抗微生物性质的协同作用以及增加薄膜中抗微生物化合物的含量显示最高的活性抵御Aureusandescherichia Coli。薄膜的热性质分析结果表明,具有CEO和PE的纳米复合膜之间的复合物的形成。总之,本研究结果表明,含有PE和CEO组合的纳米复合材料薄膜可用于食品包装。

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