Dietary interventions to prevent zinc deficiency

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Abstract
This review describes household dietary strategies to improve the content and bioavailability of zinc in predominantly plant-based diets and the implementation of these strategies in a community-based dietary intervention study in rural southern Malawi. The strategies involve increasing intakes of foods with high bioavailable-zinc contents, absorption enhancers, or both and using germination, fermentation, and soaking to reduce intake of phytic acid, a potent inhibitor of zinc absorption. The strategies were implemented at the household level in Malawi through a participatory research process that focused on building relationships with the community and involving them in the design, implementation, and monitoring and evaluation processes. In this way, community participation and awareness of zinc deficiency might be enhanced and the dietary strategies planned will be appropriate and sustainable.