Transfer of Bisphenol A and Trace Metals from Plastic Packaging to Mineral Water in Ouagadougou, Burkina Faso

Author:

Sawadogo Boukary1ORCID,Konaté Francis Ousmane2ORCID,Konaté Yacouba1,Traoré Ousmane2,Sossou Seyram Kossi1,Sawadogo Eric1,Sourabié Ouattara Pane Bernadette2,Karambiri Harouna1

Affiliation:

1. Laboratoire Eaux Hydro-Systèmes et Agriculture (LEHSA), Institut International D’Ingénierie de l’Eau et de l’Environnement (2iE), 1 Rue de la Science, Ouagadougou 01 BP 594, Burkina Faso

2. Agence Nationale Pour la Sécurité Sanitaire de L’Environnement, de L’Alimentation, du Travail et des Produits de Santé (ANSSEAT), Boulevard des Tensoba, Ouagadougou 09 BP 24, Burkina Faso

Abstract

The consumption of packaged water is growing rapidly in both urban and rural centres in Burkina Faso. Bisphenol A (BPA) and trace metals are among the compounds used in the manufacture of plastic packaging, and their presence in water can pose a health risk to consumers due to their alleged toxicity. Therefore, this study explores the transfer of these compounds from plastic packaging to mineral water in Sudano-Sahelian climatic conditions. Ten samples of packaged sachet water commercialised in Ouagadougou were studied. An absence of BPA in the borehole water used to produce packaged water has been shown. The transfer of BPA into mineral water increases with storage temperature. The BPA that appears in packaged water degrades over time. BPA concentrations ranged from 0 to 0.38 mg/L after two weeks of storage, 0 to 0.8 mg/L after four weeks of storage and 0 to 0.35 mg/L after 8 weeks of storage. Analysis of the trace metals showed steadily increasing concentrations from the second to the sixth weeks, with concentrations ranging from 0 to 9.7 µg/L for cadmium and from 0 to 0.13 mg/L for iron in the sachet water samples.

Funder

World Bank Group under the Africa Centers of Excellence for Development Impact (ACE Impact) Project

Publisher

MDPI AG

Subject

Health, Toxicology and Mutagenesis,Public Health, Environmental and Occupational Health

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1. Environmental Toxicology and Human Health;International Journal of Molecular Sciences;2023-12-31

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