Fabrication and Characterization of an Active Nanocomposite Film based on Polystyrene/ Thyme/Nano ZnO for Food Packaging

Q2 Engineering Applied Science and Engineering Progress Pub Date : 2022-11-23 DOI:10.14416/j.asep.2022.11.003

T. Thirugnanasambandan, Senthil Muthu Kumar Thiagamani, Hariram Natarajan, S. Siengchin, S. Rangappa

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引用次数: 2

Abstract

The main objective of this research is to develop an active antifungal packaging material utilizing polystyrene as the matrix material with active agents. The uniqueness of this study lies in the use of thyme extract as a reducing agent in the green synthesis of zinc oxide nanoparticles. The nanocomposite film was fabricated by impregnating zinc oxide nanoparticles in polystyrene. The nanocomposite films were characterized using XRD, FTIR, SEM and antifungal testing. The crystallite size of the synthesized ZnO NPs was observed to be in the 20–30 nm range. The FTIR spectra revealed the presence of ZnO NPs at the peak of 1000 cm–1. The morphological analysis showed the nanoparticles having a spherical shape. The results indicated that nanocomposite films exhibited excellent resistance against the fungus viz., Pencillum sp, Nigrospora oryzae and Chaetomium oryzae. The development of such active packaging materials with nanoparticles to preserve food grains will pave the way for a new technological path in food packaging applications.

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基于聚苯乙烯/百里香/纳米ZnO的食品包装活性纳米复合膜的制备与表征

本研究的主要目的是开发一种以聚苯乙烯为基质材料并添加活性剂的活性抗真菌包装材料。这项研究的独特性在于将百里香提取物作为还原剂用于氧化锌纳米颗粒的绿色合成。通过在聚苯乙烯中浸渍氧化锌纳米颗粒制备了纳米复合膜。利用XRD、FTIR、SEM和抗真菌测试对纳米复合膜进行了表征。观察到合成的ZnO纳米颗粒的晶粒尺寸在20–30 nm范围内。FTIR光谱显示在1000 cm–1的峰值处存在ZnO NPs。形态分析显示纳米颗粒具有球形形状。结果表明，纳米复合膜对真菌Pencillum sp、Nigrospora oryzae和Chaetomium oryzae具有良好的抗性。开发这种具有纳米颗粒的活性包装材料来保存粮食，将为食品包装应用的新技术道路铺平道路。

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Applied Science and Engineering Progress Engineering-Engineering (all)

CiteScore

4.70

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0.00%

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