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Surface/Thermal and Antimicrobial Release Properties of Plasma-Treated Zein Films

机译:等离子体处理的玉米蛋白膜的表面/热和抗菌释放特性

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摘要

The effects of dielectric barrier discharge plasma treatment on zein film containing thymol as an active ingredient were evaluated. The plasma discharge was optically characterized to identify the reactive species. A significant increase in the film roughness (p < 0.05) was observed due to the etching effect of DBD plasma, which was correlated with the increase in the diffusion rate of thymol in the food simulant. The diffusion of thymol from the zein film was measured in aqueous solution. The kinetics of thymol release followed the Fick's law of diffusion as shown by the high correlation coefficients between experimental and theoretical data. No significant change (p > 0.05) was observed for the thermal properties of the antimicrobial films after DBD plasma treatment.
机译:评价了介电势垒放电等离子体处理对以百里酚为有效成分的玉米蛋白膜的影响。对等离子体放电进行光学表征以鉴定反应性物质。观察到由于DBD等离子体的蚀刻作用,膜的粗糙度显着增加(p <0.05),这与百里酚在食品模拟物中的扩散速率的增加有关。在水溶液中测定百里酚从玉米蛋白膜的扩散。百里香酚释放的动力学遵循菲克扩散定律,如实验数据和理论数据之间的高相关系数所示。 DBD等离子体处理后,抗菌膜的热性能未见明显变化(p> 0.05)。

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