Objectives The aim of this study was to compare the carbohydrate content of grain-containing and grain-free dry cat diets and compare major protein and carbohydrate sources of these diets. Methods This was a cross-sectional study of 77 randomly selected dry cat diets (42 grain-containing, 35 grain-free). Reported carbohydrate values were compared between grain-containing and grain-free cat diets. A subset of 25% of diets from each category (grain-containing and grain-free) was analyzed and nitrogen-free extract was calculated as an estimate of carbohydrate content. These calculated values were compared with reported values from the manufacturer. Animal- and plant-sourced ingredients were also compared between grain-containing and grain-free diets. Results Mean reported carbohydrate content of the grain-free diets (n = 35) was lower than the grain-containing diets (n = 41; 64 ± 16 vs 86 ± 22 g/1000 kcal; P <0.001). Reported carbohydrate values were higher than analyzed nitrogen-free extract (n = 20; 79 ± 30 vs 73 ± 27 g/1000 kcal; P = 0.024). Poultry ( P = 0.009) and soy (P = 0.007) were less common in grain-free diets than in diets containing grain. The alternative carbohydrate sources of chickpeas, lentils, peas, potato, sweet potato and cassava/tapioca were more common ( P <0.05) in grain-free diets than in diets containing grain. Conclusions and relevance This sample of grain-free diets had lower mean reported carbohydrate content than grain-containing diets, but there was considerable overlap between groups and individual diets' carbohydrate/nitrogen-free extract content varied widely.
Objetivo Verificar a adequação das áreas de produção e o nível de contaminação microbiana de dietas enterais utilizadas em três hospitais privados da Região Noroeste do Paraná. Métodos A análise das Boas Práticas de Preparação da Nutrição Enteral seguiu a Resolução da Diretoria Colegiada nº 63/2000, da Agência Nacional de Vigilância Sanitária, e as análises microbiológicas das 15 amostras de dietas enterais seguiram as recomendações da Resolução da Diretoria Colegiada nº 12/2001, da Agência Nacional de Vigilância Sanitária, nas quais foram pesquisados bolores e leveduras, bactérias mesófilas, coliformes a 35 e 45ºC, Estafilococos coagulase positiva, Salmonella sp. e Bacillus cereus. Resultados A maior porcentagem para as Não Conformidades foi do hospital HS (61%) e a menor do hospital HT (43,5%). Foi observada, em 100% das amostras dos hospitais HP e HT, contaminação por coliformes a 45ºC acima do padrão de referência da Resolução da Diretoria Colegiada nº 12/2001 e 60% das amostras do hospital HS apresentaram contaminação por coliformes a 35ºC acima do limite aceitável. As amostras encontravam-se dentro dos padrões para Estafilococos coagulase positiva, Salmonella sp., Bacillus cereus e bactérias mesófilas. Nos hospitais HT e HP a contaminação por bolores e leveduras estava acima do padrão permitido pela legislação. Os resultados das análises mostraram que a contaminação das dietas está relacionada ao tipo de ingrediente utilizado e ao excesso de manipulação. Nutri3.pmd 13/3/2008, 15:37 29
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