Assessment of cadmium and lead in commercial coconut water and industrialized coconut milk employing HR-CS GF AAS.

Food Chem

Departamento de Química Analítica, Instituto de Química, Universidade Federal da Bahia, Grupo de Pesquisa em Química Analítica, Campus Universitário de Ondina, 40170-115 Salvador, Bahia, Brazil. Electronic address:

Published: June 2019

In this work, an analytical method for the determination of Cd and Pb in natural coconut water samples, industrialized coconut water samples and coconut milk using high-resolution continuum source graphite furnace atomic absorption spectrometry (HR-CS GF AAS), after minimum treatment of the sample was developed. The analytical method was applied to 46 samples collected in Salvador, Bahia (Brazil). The ranges of concentrations obtained were: 0.42-18.72 μg L Cd and <0.70-36.32 μg L Pb for natural coconut water samples (n = 14); <0.06-1.49 μg L Cd and 6.57-29.02 μg L Pb for industrialized water coconut samples (n = 16); and <0.10-5.93 ng g Cd and <0.85-22.41 ng g Pb for coconut milk samples (n = 16). For all samples, Cd and Pb concentrations were below the maximum tolerated values recommended by Brazilian Health Surveillance Agency (Agência Nacional de Vigilância Sanitária, ANVISA).

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http://dx.doi.org/10.1016/j.foodchem.2018.12.116DOI Listing

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