贵金属纳米颗粒对膳食抗氧化剂清除羟基自由基能力的影响。

Q2 Biochemistry, Genetics and Molecular Biology

Journal of Environmental Science and Health Part C-Environmental Carcinogenesis & Ecotoxicology Reviews Pub Date : 2018-04-03 DOI:10.1080/10590501.2018.1450194

Hui Zhang, Xiumei Jiang, Gaojuan Cao, Xiaowei Zhang, Timothy R Croley, Xiaochun Wu, Jun-Jie Yin

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引用次数: 13

摘要

贵金属纳米颗粒(NPs)已广泛应用于许多消费品中。它们对商业膳食补充剂的抗氧化活性的影响尚未得到很好的评价。在这项研究中，我们研究了金(Au NPs)、银(Ag NPs)、铂(Pt NPs)和钯(Pd NPs)对三种膳食补充剂维生素C (l -抗坏血酸，AA)、(-)-表没食子儿茶素没食子酸酯(EGCG)和没食子酸(GA)清除羟基自由基(·OH)能力的影响。通过电子自旋共振(ESR)自旋捕获测量，结果表明这些贵金属NPs可以抑制这些膳食补充剂对羟基自由基的清除能力。

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Effects of noble metal nanoparticles on the hydroxyl radical scavenging ability of dietary antioxidants.

Noble metal nanoparticles (NPs) have been widely used in many consumer products. Their effects on the antioxidant activity of commercial dietary supplements have not been well evaluated. In this study, we examined the effects of gold (Au NPs), silver (Ag NPs), platinum (Pt NPs), and palladium (Pd NPs) on the hydroxyl radical (·OH) scavenging ability of three dietary supplements vitamin C (L-ascorbic acid, AA), (-)-epigallocatechin gallate (EGCG), and gallic acid (GA). By electron spin resonance (ESR) spin-trapping measurement, the results show that these noble metal NPs can inhibit the hydroxyl radical scavenging ability of these dietary supplements.

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来源期刊

Journal of Environmental Science and Health Part C-Environmental Carcinogenesis & Ecotoxicology Reviews 环境科学-毒理学

CiteScore

6.20

自引率

0.00%

发文量

审稿时长

>24 weeks

期刊介绍： Journal of Environmental Science and Health, Part C: Environmental Carcinogenesis and Ecotoxicology Reviews aims at rapid publication of reviews on important subjects in various areas of environmental toxicology, health and carcinogenesis. Among the subjects covered are risk assessments of chemicals including nanomaterials and physical agents of environmental significance, harmful organisms found in the environment and toxic agents they produce, and food and drugs as environmental factors. It includes basic research, methodology, host susceptibility, mechanistic studies, theoretical modeling, environmental and geotechnical engineering, and environmental protection. Submission to this journal is primarily on an invitational basis. All submissions should be made through the Editorial Manager site, and are subject to peer review by independent, anonymous expert referees. Please review the instructions for authors for manuscript submission guidance.