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Concentrations of organochlorine pesticides in milk of Nicaragua Mothers

Breast-milk samples from 101 mothers from the basin of Rio Atoya, Nicaragua, were collected on two occasions within the first trimester of lactation. Milk samples were analyzed for 13 organochlorine pesticides: (1) p^p'-dichlorophenyldichloroethylene; (2) p,p^- dichlorophenyltrichloroethane;...

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Autores Principales: Lacayo Romero, Martha, Cruz Granja, Adela del Carmen
Formato: Artículo
Idioma: Español
Español
Publicado: 2000
Materias:
0403 Plaguicidas
2303 Toxicología
Acceso en línea: http://repositorio.unan.edu.ni/2653/
http://repositorio.unan.edu.ni/2653/1/605.pdf
http://repositorio.unan.edu.ni/2653/7/88x31_cc.png
id RepoUNANM2653
recordtype eprints
spelling RepoUNANM26532017-09-11T20:16:51Z http://repositorio.unan.edu.ni/2653/ Concentrations of organochlorine pesticides in milk of Nicaragua Mothers Lacayo Romero, Martha Cruz Granja, Adela del Carmen 0403 Plaguicidas 2303 Toxicología Breast-milk samples from 101 mothers from the basin of Rio Atoya, Nicaragua, were collected on two occasions within the first trimester of lactation. Milk samples were analyzed for 13 organochlorine pesticides: (1) p^p'-dichlorophenyldichloroethylene; (2) p,p^- dichlorophenyltrichloroethane; (3) p,//-dichlorophenyldichlorodiene; (4) a-hexachlorocyclohexane; (5) P-hexachlorocyclohexane; (6) y-hexachlorocyclohexane; (7) 8-hexachlorocyclohexane; (8) toxaphene; (9) dieldrin; (10) endrin; (11) aldrin; (12) heptachlor; and (13) heptachlor-epoxide. Organochlorines of the dichlorodiphenylethane class (i.e., p,p'- dichlorodiphenylethane and p,p'-dichlorodiphenylethane) were found in all samples and at the highest mean concentrations observed in the study. Chemicals in the hexachlorocyclohexane family (i.e., a- and 5-hexachlorocyclohexane) were not found at all (0%), and the other hexachlorocyclohexane compounds (i.e., P > y) were found in less than 6% of the samples. Twenty percent or less of the sample contained chlorinated cyclodienes (i.e., dieldrin > endrin > heptachlor-epoxide > heptachlor). No measurable concentrations of a-hexachlorocyclohexane, aldrin, p,p'-dichlorophenyldichlorodiene, and toxaphene were found in the breast milk samples. Analysis of variance demonstrated that only the concentration of p,p'- dichlorophenyldichloroethylene p^p'-dichlorophenyltrichloroethane, and endrin were affected significantly by maternal age. Overall, with the exception of p,p'-chlorophenyldichloroethylene, and p,p'-dichlorophenyltrichloroethane, the mean concentrations of the analyzed pesticides were low. Total p,p'-dichlorophenyltrichloroethane concentrations that exceeded the allowed daily intake set by the World Health Organisation were found in 5.9% of the samples. 2000-08 Article PeerReviewed text es http://repositorio.unan.edu.ni/2653/1/605.pdf image es cc_by_nc_nd http://repositorio.unan.edu.ni/2653/7/88x31_cc.png Lacayo Romero, Martha and Cruz Granja, Adela del Carmen (2000) Concentrations of organochlorine pesticides in milk of Nicaragua Mothers. Archives of Environmental Health, 55 (4). pp. 274-278.
institution Universidad Nacional Autónoma de Nicaragua, UNAN-Managua
collection Repositorio UNAN-Managua
language Español
Español
topic 0403 Plaguicidas
2303 Toxicología
spellingShingle 0403 Plaguicidas
2303 Toxicología
Lacayo Romero, Martha
Cruz Granja, Adela del Carmen
Concentrations of organochlorine pesticides in milk of Nicaragua Mothers
description Breast-milk samples from 101 mothers from the basin of Rio Atoya, Nicaragua, were collected on two occasions within the first trimester of lactation. Milk samples were analyzed for 13 organochlorine pesticides: (1) p^p'-dichlorophenyldichloroethylene; (2) p,p^- dichlorophenyltrichloroethane; (3) p,//-dichlorophenyldichlorodiene; (4) a-hexachlorocyclohexane; (5) P-hexachlorocyclohexane; (6) y-hexachlorocyclohexane; (7) 8-hexachlorocyclohexane; (8) toxaphene; (9) dieldrin; (10) endrin; (11) aldrin; (12) heptachlor; and (13) heptachlor-epoxide. Organochlorines of the dichlorodiphenylethane class (i.e., p,p'- dichlorodiphenylethane and p,p'-dichlorodiphenylethane) were found in all samples and at the highest mean concentrations observed in the study. Chemicals in the hexachlorocyclohexane family (i.e., a- and 5-hexachlorocyclohexane) were not found at all (0%), and the other hexachlorocyclohexane compounds (i.e., P > y) were found in less than 6% of the samples. Twenty percent or less of the sample contained chlorinated cyclodienes (i.e., dieldrin > endrin > heptachlor-epoxide > heptachlor). No measurable concentrations of a-hexachlorocyclohexane, aldrin, p,p'-dichlorophenyldichlorodiene, and toxaphene were found in the breast milk samples. Analysis of variance demonstrated that only the concentration of p,p'- dichlorophenyldichloroethylene p^p'-dichlorophenyltrichloroethane, and endrin were affected significantly by maternal age. Overall, with the exception of p,p'-chlorophenyldichloroethylene, and p,p'-dichlorophenyltrichloroethane, the mean concentrations of the analyzed pesticides were low. Total p,p'-dichlorophenyltrichloroethane concentrations that exceeded the allowed daily intake set by the World Health Organisation were found in 5.9% of the samples.
format Artículo
author Lacayo Romero, Martha
Cruz Granja, Adela del Carmen
author_sort Lacayo Romero, Martha
title Concentrations of organochlorine pesticides in milk of Nicaragua Mothers
title_short Concentrations of organochlorine pesticides in milk of Nicaragua Mothers
title_full Concentrations of organochlorine pesticides in milk of Nicaragua Mothers
title_fullStr Concentrations of organochlorine pesticides in milk of Nicaragua Mothers
title_full_unstemmed Concentrations of organochlorine pesticides in milk of Nicaragua Mothers
title_sort concentrations of organochlorine pesticides in milk of nicaragua mothers
publishDate 2000
url http://repositorio.unan.edu.ni/2653/
http://repositorio.unan.edu.ni/2653/1/605.pdf
http://repositorio.unan.edu.ni/2653/7/88x31_cc.png
_version_ 1796123344361226240
score 12.041087

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