Open Access Bioavailability of iron, zinc, folate, and vitamin C in the IRIS multi-micronutrient supplement: Effect of combination with a milk-based cornstarch porridge

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The effect of combining a multi-micronutrient supplement with a milk-based cornstarch porridge on the bioavailability of iron, zinc, folate, and vitamin C was evaluated using the plasma curve response over time (8 hours) in healthy women. Three tests were carried out in a crossover design: S (multi-micronutrient supplement), MS (multi-micronutrient supplement plus test meal), and M (test meal). Relative bioavailability was determined as the percent ratio of the area under the curve (AUC) in MS corrected by M, and AUC in S. Compared to S, AUC in MS was smaller for iron (p < .05), for zinc (p < .01), and for folate (p < .05), but not different for vitamin C. Relative bioavailability was lower (p < .05) than 100% for iron (80%), zinc (70%), and folate (85%). The decrease in bioavailability of these nutrients when the multi-micronutrient supplement is combined with a milk-based cornstarch porridge is small. Therefore, the tested meal is a suitable vehicle for the multi-micronutrient supplement.


Document Type: Research Article

Publication date: September 1, 2003

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  • Established in 1978, the Food and Nutrition Bulletin (FNB) is a peer-reviewed journal published quarterly by the Nevin Scrimshaw International Nutrition Foundation.

    The focus of the journal is to highlight original scientific articles on nutrition research, policy analyses, and state-of-the-art summaries relating to multidisciplinary efforts to alleviate the problems of hunger and malnutrition in the developing world.

    Food and Nutrition Bulletin's 2012 Impact Factor: 2.106
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