Ensuring supply and creating demand for a biofortified crop with a visible trait: Lessons learned from the introduction of orange-fleshed sweet potato in drought-prone areas of Mozambique
Background. Orange-fleshed sweet potato (OFSP) is a promising biofortified crop for sub-Saharan Africa because it has high levels of provitamin A carotenoids, the formed vitamin A is bioavailable, and white-fleshed sweet potato is already widely grown. Objectives. To examine whether farmers will ado...
| Main Authors: | , , , , , |
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| Format: | Journal Article |
| Language: | Inglés |
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SAGE Publications
2007
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/171857 |
| _version_ | 1855526472851128320 |
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| author | Low, Jan Wayland Arimond, Mary Osman, Nadia Cunguara, Benedito Zano, Filipe Tschirley, David |
| author_browse | Arimond, Mary Cunguara, Benedito Low, Jan Wayland Osman, Nadia Tschirley, David Zano, Filipe |
| author_facet | Low, Jan Wayland Arimond, Mary Osman, Nadia Cunguara, Benedito Zano, Filipe Tschirley, David |
| author_sort | Low, Jan Wayland |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Background. Orange-fleshed sweet potato (OFSP) is a promising biofortified crop for sub-Saharan Africa because it has high levels of provitamin A carotenoids, the formed vitamin A is bioavailable, and white-fleshed sweet potato is already widely grown. Objectives. To examine whether farmers will adopt varieties with a distinct visible trait, young children will eat OFSP in sufficient quantities to improve vitamin A intake, OFSP can serve as an entry point for promoting a more diversified diet, and lessons can be drawn to assure sustained adoption. Methods. The 2-year quasi-experimental intervention study followed households and children (n = 741; mean age, 13 months at baseline) through two agricultural cycles in drought prone-areas of Mozambique. Results. OFSP is acceptable to farmers when introduced by using an integrated approach. In the second year, intervention children (n = 498) were more likely than control children (n = 243) to have consumed OFSP (54% vs. 4%), dark-green leaves (60% vs. 46%), or ripe papaya (65% vs. 42%) on 3 or more days in the previous week (p < .001 for all comparisons). Their vitamin A intakes were nearly eight times higher than those of control children (median, 426 vs. 56 µg RAE [retinol activity equivalents], p < .001). Diet diversification was limited by difficult agroecological conditions and low purchasing power. However, dietary diversity was higher among intervention than control children (32% vs. 9% consuming food from more than four groups; p < .001). Conclusions. An integrated OFSP-based approach had a positive impact on the vitamin A intake of young children. A market development component and improved vine multiplication systems are recommended to assure sustained adoption |
| format | Journal Article |
| id | CGSpace171857 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2007 |
| publishDateRange | 2007 |
| publishDateSort | 2007 |
| publisher | SAGE Publications |
| publisherStr | SAGE Publications |
| record_format | dspace |
| spelling | CGSpace1718572025-02-19T14:07:20Z Ensuring supply and creating demand for a biofortified crop with a visible trait: Lessons learned from the introduction of orange-fleshed sweet potato in drought-prone areas of Mozambique Low, Jan Wayland Arimond, Mary Osman, Nadia Cunguara, Benedito Zano, Filipe Tschirley, David vitamin a deficiency children rural areas sweet potatoes retinol nutrition plant breeding carotenoids Background. Orange-fleshed sweet potato (OFSP) is a promising biofortified crop for sub-Saharan Africa because it has high levels of provitamin A carotenoids, the formed vitamin A is bioavailable, and white-fleshed sweet potato is already widely grown. Objectives. To examine whether farmers will adopt varieties with a distinct visible trait, young children will eat OFSP in sufficient quantities to improve vitamin A intake, OFSP can serve as an entry point for promoting a more diversified diet, and lessons can be drawn to assure sustained adoption. Methods. The 2-year quasi-experimental intervention study followed households and children (n = 741; mean age, 13 months at baseline) through two agricultural cycles in drought prone-areas of Mozambique. Results. OFSP is acceptable to farmers when introduced by using an integrated approach. In the second year, intervention children (n = 498) were more likely than control children (n = 243) to have consumed OFSP (54% vs. 4%), dark-green leaves (60% vs. 46%), or ripe papaya (65% vs. 42%) on 3 or more days in the previous week (p < .001 for all comparisons). Their vitamin A intakes were nearly eight times higher than those of control children (median, 426 vs. 56 µg RAE [retinol activity equivalents], p < .001). Diet diversification was limited by difficult agroecological conditions and low purchasing power. However, dietary diversity was higher among intervention than control children (32% vs. 9% consuming food from more than four groups; p < .001). Conclusions. An integrated OFSP-based approach had a positive impact on the vitamin A intake of young children. A market development component and improved vine multiplication systems are recommended to assure sustained adoption 2007-06 2025-01-29T12:58:52Z 2025-01-29T12:58:52Z Journal Article https://hdl.handle.net/10568/171857 en Limited Access SAGE Publications Low, Jan Wayland; Arimond, Mary; Osman, Nadia; Cunguara, Benedito; Zano, Filipe; Tschirley, David. 2007. Ensuring supply and creating demand for a biofortified crop with a visible trait: Lessons learned from the introduction of orange-fleshed sweet potato in drought-prone areas of Mozambique. Food and Nutrition Bulletin 28(2): S258-S270. https://doi.org/10.1177/15648265070282s205 |
| spellingShingle | vitamin a deficiency children rural areas sweet potatoes retinol nutrition plant breeding carotenoids Low, Jan Wayland Arimond, Mary Osman, Nadia Cunguara, Benedito Zano, Filipe Tschirley, David Ensuring supply and creating demand for a biofortified crop with a visible trait: Lessons learned from the introduction of orange-fleshed sweet potato in drought-prone areas of Mozambique |
| title | Ensuring supply and creating demand for a biofortified crop with a visible trait: Lessons learned from the introduction of orange-fleshed sweet potato in drought-prone areas of Mozambique |
| title_full | Ensuring supply and creating demand for a biofortified crop with a visible trait: Lessons learned from the introduction of orange-fleshed sweet potato in drought-prone areas of Mozambique |
| title_fullStr | Ensuring supply and creating demand for a biofortified crop with a visible trait: Lessons learned from the introduction of orange-fleshed sweet potato in drought-prone areas of Mozambique |
| title_full_unstemmed | Ensuring supply and creating demand for a biofortified crop with a visible trait: Lessons learned from the introduction of orange-fleshed sweet potato in drought-prone areas of Mozambique |
| title_short | Ensuring supply and creating demand for a biofortified crop with a visible trait: Lessons learned from the introduction of orange-fleshed sweet potato in drought-prone areas of Mozambique |
| title_sort | ensuring supply and creating demand for a biofortified crop with a visible trait lessons learned from the introduction of orange fleshed sweet potato in drought prone areas of mozambique |
| topic | vitamin a deficiency children rural areas sweet potatoes retinol nutrition plant breeding carotenoids |
| url | https://hdl.handle.net/10568/171857 |
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