Green synthesis of ZnO nanoparticles using peels of Citrus limetta and evaluation of their antibacterial activity

J. R. Thenmozhi, Shahanaz S, Suba G. A. Manuel
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Abstract

Background: The fruit peel wastes produced during the processing of different agriculture-related products after production are not utilized to their full potential, and their environmental impact has become a significant global issue. Citrus peel waste is rich in nutrients and has biopotential activity. Objective: The main objective of the current study is to analyze peels of Citrus limetta qualitatively and quantitatively and synthesize Zinc oxide Nanoparticles using the green synthesis method. Methodology: The synthesized ZnO NPs were characterized by UV-visible spectroscopy (UV-Vis), X-ray diffraction (XRD), and Scanning electron microscopy (SEM). The antibacterial activity of C. limetta peels ZnO NPs against Pseudomonas aeruginosa was evaluated by the Agar Disc Diffusion method. Results: The UV-Vis spectrum was measured in the 200 – 400 nm range, and the crystalline structure was analyzed via XRD. SEM/EDS analysis confirmed the nano-spherical structures and the agglomeration of the synthesized ZnO NPs. A minimal inhibitory effect against the Pseudomonas aeruginosa by C. limetta peels ZnO NPs was observed. Conclusion: Hence, the green synthesized ZnO NPs offer an effective and economical way to utilize citrus peel waste in both food and non-food sectors.
利用柑橘皮绿色合成氧化锌纳米粒子并评估其抗菌活性
背景:不同农业相关产品在生产后的加工过程中产生的果皮废物没有得到充分利用,其对环境的影响已成为一个重要的全球性问题。柑橘类果皮废物营养丰富,具有生物潜在活性。研究目的本研究的主要目的是对柠檬皮进行定性和定量分析,并采用绿色合成法合成氧化锌纳米粒子。研究方法:通过紫外可见光谱(UV-Vis)、X 射线衍射(XRD)和扫描电子显微镜(SEM)对合成的氧化锌纳米粒子进行表征。采用琼脂盘扩散法评估了 C. limetta 果皮 ZnO NPs 对铜绿假单胞菌的抗菌活性。结果:测量了 200 - 400 nm 范围内的紫外可见光谱,并通过 XRD 分析了晶体结构。SEM/EDS 分析证实了合成的 ZnO NPs 具有纳米球形结构和团聚现象。观察到 C. limetta 果皮 ZnO NPs 对铜绿假单胞菌的抑制作用极小。结论因此,绿色合成 ZnO NPs 为在食品和非食品领域利用柑橘皮废弃物提供了一种有效而经济的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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