Trace elements determination by ICP-QMS in octopus edible samples from Mexico City markets

Authors

  • L. V.R. Saldívar-Osorio Universidad Nacional Autónoma de México
  • M. T.J. Rodríguez-Salazar Universidad Nacional Autónoma de México
  • M. L. Soubran-Zamora Soubran-Zamora Universidad Nacional Autónoma de México
  • C. E. Márquez-Herrera Universidad Nacional Autónoma de México
  • M. E. Castilla-Madrigal Universidad Nacional Autónoma de México
  • M. G. Espejel-Maya Universidad Nacional Autónoma de México
  • M. A. Z. Arruda Universidade Estadual de Campinas (Unicamp)
  • F. Barbosa-Jr University of São Paulo

DOI:

https://doi.org/10.29356/jmcs.v57i4.198

Keywords:

Trace elements, octopus, cephalopods, ICP-QMS, Mexico City

Abstract

The purpose of this study was to evaluate the total concentration 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-quadrupole 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 octopus. 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 Mexican regulation data for Mn, Rb and Sr were not found.

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Author Biographies

L. V.R. Saldívar-Osorio, Universidad Nacional Autónoma de México

Laboratorio de Espectroscopia de Absorción Atómica, Departamento de Química Analítica, División de Estudios de Posgrado, Facultad de Química

M. T.J. Rodríguez-Salazar, Universidad Nacional Autónoma de México

Laboratorio de Espectroscopia de Absorción Atómica, Departamento de Química Analítica, División de Estudios de Posgrado, Facultad de Química

M. L. Soubran-Zamora Soubran-Zamora, Universidad Nacional Autónoma de México

Laboratorio de Espectroscopia de Absorción Atómica, Departamento de Química Analítica, División de Estudios de Posgrado, Facultad de Química

C. E. Márquez-Herrera, Universidad Nacional Autónoma de México

Laboratorio de Espectroscopia de Absorción Atómica, Departamento de Química Analítica, División de Estudios de Posgrado, Facultad de Química

M. E. Castilla-Madrigal, Universidad Nacional Autónoma de México

Laboratorio de Espectroscopia de Absorción Atómica, Departamento de Química Analítica, División de Estudios de Posgrado, Facultad de Química

M. G. Espejel-Maya, Universidad Nacional Autónoma de México

Laboratorio de Espectroscopia de Absorción Atómica, Departamento de Química Analítica, División de Estudios de Posgrado, Facultad de Química

M. A. Z. Arruda, Universidade Estadual de Campinas (Unicamp)

Instituto Nacional de Ciência e Tecnologia em Bioanalítica

F. Barbosa-Jr, University of São Paulo

Department of Clinical, Toxicological and Bromatological Analysis, Faculty of Pharmaceutical Sciences of Ribeirão Preto

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Published

2017-10-12

Issue

Vol. 57 No. 4 (2013): Regular Issue

Section

Regular Articles

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