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Agriculturae Conspectus Scientificus, Vol. 85 No. 4, 2020.

Original scientific paper

Analysis of trace-elements and toxic heavy metals in honeys from Tlemcen Province, north-western

Dalila Bereksi-Reguig orcid id orcid.org/ORCID ; Laboratory of Natural and Bioactive Substances (LASNABIO), Department of Chemistry, Faculty of Sciences, Abou Bekr Belkaïd University, P.O. Box 119, Tlemcen 13000, Algeria
Hocine Allali orcid id orcid.org/ORCID ; Laboratory of Natural and Bioactive Substances (LASNABIO), Department of Chemistry, Faculty of Sciences, Abou Bekr Belkaïd University, P.O. Box 119, Tlemcen 13000, Algeria
Salim Bouchentouf orcid id orcid.org/ORCID ; Laboratory of Natural and Bioactive Substances (LASNABIO), Department of Chemistry, Faculty of Sciences, Abou Bekr Belkaïd University, P.O. Box 119, Tlemcen 13000, Algeria;Doctor Tahar Moulay University of Saida, Algeria, BP 138 cité EN-NASR, Saïda 20000, Algeria
Agnieszka Adamczuk orcid id orcid.org/ORCID ; Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland
Grażyna Kowalska orcid id orcid.org/ORCID ; Department of Analysis and Evaluation of Food Quality, University of Life Sciences in Lublin, 8 Skromna Street, 20-704 Lublin, Poland
Radosław Kowalski orcid id orcid.org/ORCID ; Department of Analysis and Evaluation of Food Quality, University of Life Sciences in Lublin, 8 Skromna Street, 20-704 Lublin, Poland

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Abstract

Eighteen honeys collected from various botanical and geographical sources in Tlemcen Province (north-western Algeria) were studied to determine the presence of the following fifteen trace elements and heavy metals: K, Na, Ca, Mg, Mn, Cu, Fe, Zn, V,  Cr,  Co, As,   Cd, Pb and W. Element determination was performed by inductively  coupled  plasma- mass spectrometry (ICP-MS), after digestion, by concentrated nitric acid using microwave mineralizer. The most abundant minerals were K, Ca, Mg and Na ranging within 153-989 mg/kg, 33.1-377 mg/kg, 69.1-162 mg/kg and 13.3-146 mg/kg, respectively. Fe was the most abundant heavy metal followed by Mn, Zn and Cu while Cr, Co, V, W, As, Cd and Pb were the lowest trace elements detected at level < 1 mg/kg in the honey samples surveyed. The variation in the mineral content in the honey samples studied is probably due to geochemical and geographical differences. Multivariate methods were used in order to classify honey samples according to their mineral content. The present study revealed that honeys collected from the various beekeepers apiaries of Tlemcen Province were not contaminated with toxic trace elements and therefore poses no threat to consumers.

Keywords

honey, trace element, heavy metal, microwave digestion, ICP-MS

Hrčak ID:

245975

URI

https://hrcak.srce.hr/245975

Publication date:

10.11.2020.

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