利用植物提取物生物合成氧化铁纳米颗粒并评估其抗菌活性。

IF 3.5 3区 生物学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Omima Elkhateeb, Mohamed B Atta, Esawy Mahmoud
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引用次数: 0

摘要

由于纳米氧化铁具有无毒、高效、高抗菌力和去污等特点,其生物合成在食品纳米技术领域受到越来越多的关注。因此,从一些蔬菜(如卷心菜(C)和萝卜(T)以及辣木叶(M))的叶子中制备了生物合成的氧化铁纳米粒子(nFe)。这些纳米粒子的酒精提取物还在金黄色葡萄球菌和大肠杆菌上进行了测试,以评估其抗菌活性。结果显示,所研究的生物合成纳米材料的粒径在 12.99 至 22.72 nm 之间,颗粒呈球形,不规则,周围呈黑色。它还含有许多官能团和矿物质。与所研究的其他生物合成纳米粒子相比,用油辣木提取物修饰的铁纳米粒子(浓度为 200 ppm)的酚含量最高。浓度为 200 ppm 的 TnFe 和 MnFe 对金黄色葡萄球菌和大肠杆菌的最大抑制区分别为 25 毫米和 24 毫米。而 nFe 在 25 ppm 时对大肠杆菌的最小抑菌区为 8.0 mm。因此,建议使用这些生物合成纳米氧化铁提取物作为储存食品的抗菌剂。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Biosynthesis of iron oxide nanoparticles using plant extracts and evaluation of their antibacterial activity.

Biosynthesis of iron oxide nanoparticles using plant extracts and evaluation of their antibacterial activity.

The biosynthesis of iron oxide nanoparticles has received increasing attention in the field of food nanotechnology because of their non-toxicity, high efficiency, high antibacterial power, and decontamination features. Therefore, biosynthesis of iron oxide nanoparticles (nFe) was prepared from the leaves of some vegetables, such as cabbage (C) and turnips (T), as well as moringa leaves (M). Alcoholic extracts of these nanoparticles were also tested on Staphylococcus aureus and Escherichia coli to evaluate their antibacterial activity. The results revealed that the particle sizes of the biosynthesis nanomaterials studied ranged from 12.99 to 22.72 nm, and the particles were spherical, irregular, and surrounded by black color. It also contains many functional groups and minerals. Iron nanoparticles modified with Moringa oleifera extract at a concentration of 200 ppm had the highest phenol content compared to other biosynthesis nanoparticles studied. TnFe and MnFe at 200 ppm had a maximum zone of inhibition of 25 mm and 24 mm against Staphylococcus aureus and Escherichia coli, respectively. While the minimum inhibition zone of 8.0 mm was observed at 25 ppm for nFe against Escherichia coli. Therefore, it is recommended to use these extracts of biosynthesis iron oxide nanoparticles as antibacterial agents for stored foods.

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来源期刊
AMB Express
AMB Express BIOTECHNOLOGY & APPLIED MICROBIOLOGY-
CiteScore
7.20
自引率
2.70%
发文量
141
审稿时长
13 weeks
期刊介绍: AMB Express is a high quality journal that brings together research in the area of Applied and Industrial Microbiology with a particular interest in ''White Biotechnology'' and ''Red Biotechnology''. The emphasis is on processes employing microorganisms, eukaryotic cell cultures or enzymes for the biosynthesis, transformation and degradation of compounds. This includes fine and bulk chemicals, polymeric compounds and enzymes or other proteins. Downstream processes are also considered. Integrated processes combining biochemical and chemical processes are also published.
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