Abstract
To relate the cadmium concentration of colostrum with the lifestyle of women in the puerperium period. A cross-sectional study was conducted in Goiânia, Goiás (Mid-western Region of Brazil). Eighty women, according to inclusion criteria, were interviewed about their socioeconomic characteristics and lifestyle. They answered a questionnaire about food frequency consumption (FFQ). The colostrum samples collected were analyzed by flame atomic absorption spectrometry to quantify cadmium levels. For statistical analysis, central tendency measures were obtained, and the Mann-Whitney and Kruskal-Wallis tests were performed, as well as correlation and regression tests. The average cadmium concentration was 2.3 µg/L and the median was 0.9 µg/L. Variables such as age and parity showed a nonsignificant positive correlation with cadmium. Smoking habit was not significantly associated with cadmium. Postpartum food intake influences the level of cadmium in colostrum, especially vegetables such as cereals.
Highlights
PURPOSE: to relate the cadmium concentration of colostrum with the lifestyle of women in the puerperium period
Smoking habit was not significantly associated with cadmium
Esses produtos de origem animal fazem parte da cadeia alimentar humana, juntamente com os derivados do leite de vaca, que apresentam também o metal como resíduo oriundo do sangue do animal
Summary
OBJETIVO: relacionar a concentração de cádmio do colostro materno com o estilo de vida das puérperas. Participaram da pesquisa 80 mulheres, de acordo com critérios de inclusão, entrevistadas sobre características socioeconômicas e estilo de vida. As amostras de colostro coletadas foram analisadas por espectrometria de absorção atômica por chama para quantificar os níveis de cádmio. Além de medidas de tendência central, foram realizados os testes de Mann-Whitney e de Kruskal-Wallis, correlação e regressão. RESULTADOS: a média da concentração de cádmio foi de 2,3 μg/L, e a mediana de 0,9 μg/L. Variáveis como idade e paridade resultaram em correlação positiva não significativa com os níveis de cádmio no colostro. O hábito de fumar não se relacionou significativamente com o cádmio. CONCLUSÕES: a alimentação da puérpera influencia o nível de cádmio do colostro, especialmente o originado de alimentos vegetais, como cereais
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