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Dietary interventions to prevent zinc deficiency
R S Gibson1, F Yeudall, N Drost
1Department of Human Nutrition, University of Otago, Dunedin, New Zealand. rosalind.gibson@stonebow.otago.ac.nz
The American Journal of Clinical Nutrition
|August 13, 1998
Summary
This study explores dietary tactics to boost zinc absorption in plant-based diets, particularly in rural Malawi. Community involvement ensured these zinc-enhancing strategies were sustainable and effective.
Area of Science:
- Nutrition Science
- Public Health
- Agricultural Science
Background:
- Zinc deficiency is a significant micronutrient issue, especially in populations relying on plant-based diets.
- Phytic acid in plant-based foods inhibits zinc absorption, contributing to deficiency.
- Dietary strategies are needed to improve zinc bioavailability in vulnerable communities.
Purpose of the Study:
- To describe household dietary strategies for improving zinc content and bioavailability in plant-based diets.
- To report the implementation of these strategies in a community-based dietary intervention in Malawi.
- To assess the role of participatory research in enhancing community awareness and sustainability.
Main Methods:
- Utilized strategies to increase intake of high-bioavailable zinc foods and absorption enhancers.
- Employed food processing techniques like germination, fermentation, and soaking to reduce phytic acid.
- Implemented strategies through a participatory research process involving community engagement in design, implementation, and M&E.
Main Results:
- Dietary strategies focused on increasing zinc intake and absorption enhancers.
- Food processing methods were used to mitigate phytic acid inhibition.
- Community participation was central to the intervention's household-level implementation.
Conclusions:
- Household dietary strategies can improve zinc bioavailability in plant-based diets.
- Participatory research enhances community engagement, awareness, and sustainability of interventions.
- These approaches are crucial for addressing zinc deficiency in rural settings like Malawi.