Bacterial contamination of the lacteal contents of feeding bottles in metropolitan Sao Paulo, Brazil

Bacterial contamination of the lacteal contents of feeding bottles in metropolitan Sao Paulo, Brazil

Author Morais, Tania Beninga Autor UNIFESP Google Scholar
Morais, Mauro Batista de Autor UNIFESP Google Scholar
Sigulem, Dirce Maria Autor UNIFESP Google Scholar
Institution Universidade Federal de São Paulo (UNIFESP)
Abstract Reported are the results of a study in Sao Paulo, Brazil, to evaluate the bacterial contamination of the lacteal contents of feeding bottles prepared in urban households of low (LSE) and high (HSE) socioeconomic groups, involving 100 and 32 mothers of infants, respectively. Samples of the lacteal contents of the feeding bottles were cultured and the medians (25th and 75th percentiles) of the counts (bacteria per mi) were significantly higher in the LSE group: mesophilic bacteria, 555 000 (17250-4 350 000) in the LSE group and 1615 (20-500 000) in the HSE group; coliforms, 2400 (19-150 000) in the LSE group and 7 (0-7800) in the HSE group. Escherichia coli was isolated from 26% (26/100) of the samples from the LSE group and from 6% (2/32) of those from the HSE group (P = 0,03). In the HSE group, higher coliform counts were associated with foodhandlers other than the mother, lower levels of maternal education, the use of pasteurized milk, and the addition of ingredients other than milk. In the LSE group, feeding bottles prepared using tap water and those prepared for infants aged over 6 months had higher coliform counts. In general, the feeding bottles prepared in the households studied were heavily contaminated, especially in the LSE group.
Language English
Date 1998-01-01
Published in Bulletin Of The World Health Organization. Geneva 27: World Health Organization, v. 76, n. 2, p. 173-181, 1998.
ISSN 0042-9686 (Sherpa/Romeo, impact factor)
Publisher World Health Organization
Extent 173-181
Origin http://apps.who.int/iris/handle/10665/55672
Access rights Open access Open Access
Type Article
Web of Science ID WOS:000074653000008
URI http://repositorio.unifesp.br/11600/43204

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