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A randomized, double-blind, controlled study was conducted to determine whether the consumption of leafy vegetables by preschool children would enhance their serum vitamin A concentration to acceptable levels. Preschool children (n = 519; 2.5-6 y) in Saboba, northern Ghana, were randomly assigned to five feeding groups, differing essentially in the amount(More)
OBJECTIVES To determine and assess the chronic zinc nutritional status of pre-school and school children living in a mixed-income, low-density (mild) community in southern Ghana and determine if zinc deficiency was implicated in growth stunting of the children. DESIGN Prospective/comparative study. SETTING A cluster of schools, made up of a nursery, two(More)
OBJECTIVE To determine the nutritional status of preschool children in four communities in Southern Ghana with particular reference to zinc nutritional status, and ascertain whether there are any significant differences in their zinc levels that could explain differences in their nutritional states. DESIGN Prospective study. SETTING Four(More)
OBJECTIVE To determine the nutritional status and nutrient intake of preschool children in a sub-Sahelian setting so as to ascertain whether they meet the acceptable standards. DESIGN Prospective/investigative study. SETTING The study was carried out in Saboba, a rural sub-Sahelian village in northern Ghana. SUBJECTS Five hundred and eighteen(More)
The relationship between polyamine synthesis, growth and secretion in vivo was examined in ventral prostates from: (a) intact rats aged 3-60 weeks; (b) animals castrated for 7 days before injection with 5 alpha-dihydrotestosterone (17 beta-hydroxy-5-alpha-androstan-3-one), testosterone and 5 alpha-androstane-3 beta, 17 beta-diol for up to 10 days; (c) rats(More)
The relationship between ornithine decarboxylase activity and growth has been examined in ventral prostates from rats aged 2--60 weeks. The incorporation of [125I]iododeoxyuridine in vitro was used to assess DNA-synthetic activity. During 2--7 weeks post-partum ornithine decarboxylase activity/prostrate and the protein content and wet weight increased(More)
The present study was designed to assess the vitamin A status in a rural community (Gomoa Onyadze) in southern Ghana, to determine if there is any vitamin A deficiency in the community and also to estimate the nutrient intake of the inhabitants to see if the levels conform to the Recommended Dietary Allowance (RDA). Results of serum vitamin A analysis(More)