Comparing Local Fruits And Vegetables And Beta-Carotene Supplements As A Vitamin A Source For Honduran Mothers And Infants
BETA CAROTENE: DIETARY SOURCES, CANCER AND COGNITION(2009)
Abstract
BackgroundTo evaluate the feasibility of fruits and vegetables as a longterm strategy to combat vitamin A deficiency we compared the effects of dietary levels of local fruits and vegetables, an equivalent amount of beta-carotene supplements and placebo on serum vitamin A concentrations of lactating mothers and infants in a periurban community in Honduras.MethodsMothers and their nursing infants were randomly assigned to receive beta-carotene supplements, foods high in beta-carotene or placebo three times/wk for four wk. Each treatment day, mothers in the supplement group received 7.5 mg beta-carotene beadlets with a breakfast of local foods providing similar to 8 g fat. The placebo group received the same breakfast without the supplement. Mothers in the food group received lunch furnishing 7.5 mg beta-carotene from local foods. Mothers and infants donated blood samples on days 1, 14 and 30. Milk samples were obtained at days 1 and 30 and maternal dietary intake was estimated by 24-hour dietary recalls on days 1, 14 and 30.ResultsLocal foods high in beta-carotene resulted in significant increases in maternal and infant serum retinol compared to the other two treatment groups. Increases in serum retinol of mothers and infants following beta-carotene supplements were not significantly different from placebo. beta-Carotene supplements increased maternal serum and milk concentrations but did not increase infant serum beta-carotene levels.ConclusionsFoods in the local diet increased circulating retinol levels of both mothers and infants. The importance of including food-based approaches in strategies to combat vitamin A deficiency is discussed.
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Key words
beta-carotene, infant nutrition, lactation, deficiency, vitamin A
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