Icp-qms法测定墨西哥城市场食用章鱼样品中的微量元素

Q4 Environmental Science

Scopus: Journal of East African Ornithology Pub Date : 2017-10-12 DOI:10.29356/JMCS.V57I4.198

Saldivar-Osorio L.V.R., Rodriguez-Salazar M.T.J., M. L. Soubran-Zamora, C. Márquez-Herrera, M. E. Castilla-Madrigal, M. G. Espejel-Maya, Arruda M.A.Z., Fernando Barbosa

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引用次数: 1

摘要

本研究的目的是利用墨西哥人类食用食品法规，评估墨西哥城市场章鱼的触角和触角样品中微量元素(Cr、Cu、Mn、Pb、Rb和Sr)的总浓度水平。采用电感耦合等离子体质谱法(ICP-QMS)测定了样品中必需微量元素(Cr、Cu、Mn)和非必需微量元素(Pb、Rb、Sr)。样本从墨西哥城联邦区的16个代表团的当地市场和超市中收集。Cr、Cu、Mn、Pb、Rb和Sr的总体浓度范围分别为:2.4 ~ 4.8 mg/kg、5.1 ~ 95.3 mg/kg、1 ~ 6 mg/kg、0.1 ~ 1.6 mg/kg、0.4 ~ 4.5 mg/kg和11 ~ 58 mg/kg。根据美国农业部国家新开发银行标准参考消费者暴露量(100g/天)，从这两种市场获得的覆盖层和触手样品中Cu和Cr的最大和平均浓度值高于NOM-051-SCFI/ SSA1-2010(最接近墨西哥标准)。结果发现，超市产地的鱼壳和触须样品中Pb的最大浓度超过了NOM-129-SSA1-1995和NOM-242-SSA1-2009的参考值，而最大平均值低于规定。Mn、Rb和Sr的类似Mexi- can调控数据未被发现。

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Trace Elements Determination By Icp-qms In Octopus Edible Samples From Mexico City Markets

The purpose of this study was to evaluate the total concen- tration levels of trace elements (Cr, Cu, Mn, Pb, Rb and Sr) in octopus' mantle and tentacles samples from Mexico City markets, by using the Mexican regulation applied to food for human consumption. The determination of both essential (Cr, Cu, Mn) and non-essential (Pb, Rb and Sr) trace elements was made by inductively coupled plasma-quad- rupole mass spectrometry (ICP-QMS). The samples were collected from local markets and supermarkets from each of 16 delegations of Mexico City, Distrito Federal. The overall ranges of concentrations found were: 2.4-4.8, 5.1-95.3, 1-6, 0.1-1.6, 0.4-4.5 and 11-58 mg/kg for Cr, Cu, Mn, Pb, Rb and Sr, respectively. The maximum and mean concentration values obtained for Cu and Cr in mantle and tentacle samples from both kind of markets, are above of the NOM-051-SCFI/ SSA1-2010 (closest Mexican standard), according to USDA National NDB for Standard Reference consumer exposure (100g/day) of octo- pus. It was observed that the maximum Pb concentration value found in mantle and tentacle samples from supermarkets origin exceeds the NOM-129-SSA1-1995 and NOM-242-SSA1-2009 reference values, while the maximum mean value is below the regulation. Similar Mexi- can regulation data for Mn, Rb and Sr were not found.

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来源期刊

Scopus: Journal of East African Ornithology Environmental Science-Ecology

CiteScore

0.60

自引率

0.00%

发文量

期刊介绍： Journal of East African Ornithology has been published since 1977 by the Bird Committee of the East Africa Natural History Society. Originally titled Scopus, the addition of Journal of East African Ornithology began with our January 2018 issue. The journal is published Open Access twice a year, typically in January and July. Authors retain copyright and their work is licensed under the Creative Commons Attribution 4.0 International License. Our copyright and licensing agreement only applies from January 2018 onwards, and does not apply to previously published issues. Users have the right to read, download, copy, distribute, print, search, or link to the full texts of these articles.