RESUMO
OBJECTIVE: Fortification of food with iron is considered the best sustainable way of preventing iron deficiency when an appropriate diet is not available. The most difficult challenge is to find the ideal combination of iron fortification compound and food vehicle. We investigated the effect of cheese whey drink with 15% of frozen strawberry fortified with ferrous bisglycinate on hemoglobin values in children and adolescents. METHODS: The assessed population participates in Public Educational Centers in Londrina, Paraná (southern Brazil), which assist families living in precarious socioeconomic conditions (annual income < 500.00 US dollars per capita). Hemoglobin was measured for 1 y with a Hemocue portable photometer. Anemia was defined as hemoglobin values below 12 g/dL. Thus, hemoglobin was verified in 467 (7 to 14 y) individuals (249 boys and 218 girls). RESULTS: Although anemia prevalence did not decrease after 3 mo, there was a statistically significant decrease from 41.9% at the beginning of the study to 26.4% after 6 mo (P < 0.001) and to 9.6% after 1 y (P < 0.001). Statistically significant changes (mean +/- standard deviation) were observed between children and adolescents with hemoglobin values below 11 g/dL (increase of 2.2 +/- 1.03) and above 12 g/dL (increase of 0.35 +/- 1.07; P < 0.0001). CONCLUSION: There was a marked reduction in the prevalence of anemia in children and adolescents after long-term fortification of whey drink with ferrous bisglycinate.
Assuntos
Anemia Ferropriva/prevenção & controle , Compostos Ferrosos/administração & dosagem , Alimentos Fortificados , Hemoglobinas/metabolismo , Adolescente , Anemia Ferropriva/sangue , Anemia Ferropriva/tratamento farmacológico , Anemia Ferropriva/epidemiologia , Bebidas , Brasil/epidemiologia , Criança , Ingestão de Líquidos , Feminino , Compostos Ferrosos/uso terapêutico , Humanos , Ferro/administração & dosagem , Ferro/uso terapêutico , Masculino , Pobreza , Prevalência , Fatores SocioeconômicosRESUMO
Iron deficiency anemia is the world most prevalent nutritional problem. To investigate anemia prevalence and its relation to nutritional status, 526 children and adolescents, 284 males and 242 females, aged 7 to 14 years old, were evaluated. The studied subjects take part in a program of the Social Action Departament of the city of Londrina, state of Paraná, and attend Public Education Centers which provides them three daily meals and pedagogic assistance. These individuals belong to deprived areas in the city outskirts, where the per capita income is lower than US$500 a year. The hemoglobin dosage was determined by digital puncture and read by hemocue portable photometer. Anemia prevalence was verified in 41,3 por cento of the assessed population, with no significant statistical differences between males and females (p= 0.412). No association between anemia and malnutrition was found. In conclusion, high prevalence of anemia was observed in this population