NickelMaghrebV1, Main, Exploration, bibRecord, 000298

Tea brewed in traditional metallic teapots as a significant source of lead, nickel and other chemical elements.

Identifieur interne : 000298 ( Main/Exploration ); précédent : 000297; suivant : 000299

Tea brewed in traditional metallic teapots as a significant source of lead, nickel and other chemical elements.

Auteurs : F. Bolle [Belgique] ; W. Brian ; D. Petit ; K. Boutakhrit ; G. Feraille ; J. Van Loco

Source :

Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment [ 1944-0057 ] ; 2011.

RBID : pubmed:21749233

Descripteurs français

mix :
- Life Sciences.

English descriptors

KwdEn :
- Food Contamination (analysis), Food Packaging, Lead (chemistry), Nickel (chemistry), Tea (chemistry).
MESH :
- chemical , chemistry : Lead, Nickel, Tea.
- analysis : Food Contamination.
- Food Packaging.

Abstract

An environmental inquiry conducted by the Brussels Inter-communal Laboratory of Chemistry and Bacteriology (BILCB) has revealed that in 2000a traditional metallic teapot caused in Brussels lead intoxication among a family of Morocco origin. Following this case study of lead poisoning and subsequent preliminary results carried out by the BILCB, which confirmed the dangerousness of this kind of item, samples of traditional metallic teapots were collected from North African groceries in Brussels by the Institute of Public Health (IPH) in collaboration with the BILCB and the Federal Agency for the Safety of the Food Chain (FASFC). Aluminium, copper, iron, nickel, lead and zinc were analysed to identify metals with a potential to migrate into tea solutions. Simulants (natural tea, tea acidified with citric acid and citric acid) were brewed in those teapots in order to identify the leaching potential of migration at boiling point temperature for different contact periods. Multi-elementary analysis was carried out by inductively coupled plasma-atomic emission spectrometry (ICP-AES). It was concluded that the concentrations of those leached metals depend on the nature of the migration liquids, the type of teapots and the contact periods. Most teapots showed a high level of toxic metals in leachates for lead and to a less extent for nickel, which can contribute significantly to the risk of serious poisoning. A comparison of the results with the toxicological reference values was done. The teapots were withdrawn from the market by the FASFC.

Url:

DOI: 10.1080/19440049.2011.580010
PubMed: 21749233

Affiliations:

Belgique

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<front><div type="abstract" xml:lang="en">An environmental inquiry conducted by the Brussels Inter-communal Laboratory of Chemistry and Bacteriology (BILCB) has revealed that in 2000a traditional metallic teapot caused in Brussels lead intoxication among a family of Morocco origin. Following this case study of lead poisoning and subsequent preliminary results carried out by the BILCB, which confirmed the dangerousness of this kind of item, samples of traditional metallic teapots were collected from North African groceries in Brussels by the Institute of Public Health (IPH) in collaboration with the BILCB and the Federal Agency for the Safety of the Food Chain (FASFC). Aluminium, copper, iron, nickel, lead and zinc were analysed to identify metals with a potential to migrate into tea solutions. Simulants (natural tea, tea acidified with citric acid and citric acid) were brewed in those teapots in order to identify the leaching potential of migration at boiling point temperature for different contact periods. Multi-elementary analysis was carried out by inductively coupled plasma-atomic emission spectrometry (ICP-AES). It was concluded that the concentrations of those leached metals depend on the nature of the migration liquids, the type of teapots and the contact periods. Most teapots showed a high level of toxic metals in leachates for lead and to a less extent for nickel, which can contribute significantly to the risk of serious poisoning. A comparison of the results with the toxicological reference values was done. The teapots were withdrawn from the market by the FASFC.</div>
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Serveur d'exploration sur le nickel au Maghreb

Tea brewed in traditional metallic teapots as a significant source of lead, nickel and other chemical elements.

Tea brewed in traditional metallic teapots as a significant source of lead, nickel and other chemical elements.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

	Serveur d'exploration sur le nickel au Maghreb
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