评估用刺五加叶提取物生物合成的纳米氧化锌的抗菌和抗氧化活性。

IF 1.2 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES
Bushra H Shnawa, Parwin J Jalil, Ali Al-Ezzi, Renjbar M Mhamedsharif, Daniyal A Mohammed, Donia M Biro, Mukhtar H Ahmed
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引用次数: 0

摘要

背景:由于金属和金属氧化物纳米粒子的简单性、生态友好性、可用性和无毒性,在过去十年中,绿色制造金属和金属氧化物纳米粒子一直是一个极具吸引力的研究领域。目的:本研究的目的是评估利用刺五加水溶性叶提取物绿色合成的氧化锌纳米粒子(ZnO-NPs)的抗氧化和抗菌活性。方法:用α、α-二苯基-β-苦基肼(DPPH)和过氧化氢(H2O2)分析 ZnO-NPs 的抗氧化性。此外,还采用扩散琼脂法评估了对细菌和真菌的抗菌活性。结果与维生素 C 相比,由 Z. spina-christi 合成的 ZnO-NPs 具有良好的 H2O2 和 DPPH 自由基清除作用。相同浓度的 ZnO-NPs 对金黄色葡萄球菌(S. aureus)的抑制面积最大(36 ± 2 mm),而对大肠杆菌(E. coli)的抑制面积为 15 ± 2 mm。ZnO-NPs 对黑曲霉具有显著的抗真菌活性。结论可以得出结论,ZnO-NP 是一种合适的抗菌剂,能够在体外对抗金黄色葡萄球菌和大肠杆菌。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of antimicrobial and antioxidant activity of zinc oxide nanoparticles biosynthesized with Ziziphus spina-christi leaf extracts.

Background: Due to their simplicity, eco-friendliness, availability and non-toxicity, the greener fabrication of metal and metal oxide nanoparticles has been a highly attractive research area over the last decade. Aim: This study aimed to assess the antioxidant and antimicrobial activities of the green synthesized zinc oxide nanoparticles (ZnO-NPs) using an aqueous leaf extract of Ziziphus spina-christi. Method: The antioxidant property of ZnO-NPs was analyzed by the α, α-diphenyl-β-picrylhydrazyl (DPPH) and hydrogen peroxide (H2O2). Additionally, the diffusion agar method assessed the antimicrobial activities against bacteria and fungi. Results: ZnO-NPs synthesized by Z. spina-christi had shown promising H2O2 and DPPH free radical scavenging actions compared to vitamin C. The ZnO-NPs exhibited significant antibacterial activity against the tested bacteria with various susceptibility as a concentration-dependent effect. The largest zone of inhibition for Staphylococcus aureus (S. aureus) was observed (36 ± 2 mm) compared to Escherichia coli (E. coli) (15 ± 2 mm) by the same concentration of ZnO-NPs. The ZnO-NPs showed remarkable antifungal activity against Aspergillus niger. Conclusion: It can be concluded that, ZnO-NP have been imposed as suitable antimicrobial agent being able to combat both S. aureus and E. coli in vitro.

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CiteScore
4.60
自引率
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发文量
10
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