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Aflatoxins: Finding solutions for improved food safety

Author

Listed:
  • Unnevehr, Laurian
  • Grace, Delia
Abstract
Aflatoxins are a naturally occurring carcinogenic byproduct of common fungi on grains and other crops, particularly maize and groundnuts. They pose a significant public health risk in many tropical developing countries and are also a barrier to the growth of domestic and international commercial markets for food and feed. In recent years the aflatoxin problem has garnered greatly increased attention from both policy and donor communities around the globe. What can be done to reduce the detrimental impacts of aflatoxins? Because growth of the molds that produce aflatoxins is caused by multiple factors, and because they must be controlled along the entire value chain from production to consumption, only a robust multifaceted approach to controlling aflatoxins is likely to be effective. The nineteen briefs in this set thus provide different perspectives on aflatoxin risks and solutions. The analyses fall under four broad themes: (1) what is known about the health risks from aflatoxins; (2) how to overcome market constraints to improved aflatoxin control by building new market channels and incentives; (3) what is the international policy context for taking action in developing countries; and (4) what is the state of research on new aflatoxin control technologies, including new methods for aflatoxin detection, crop breeding, biological control, food storage and handling, and postharvest mitigation. These briefs collectively provide a much clearer picture of the state of current efforts at combatting aflatoxins. They also identify what gaps loom particularly large—including the need for contry-specific risk analysis and for testing integrated solutions for the entire supply chain—in our global efforts to effectively reduce human exposure to aflatoxins and increase the economic returns to smallholders in agriculture. Table of Contents: 1. Tackling Aflatoxins: An Overview of Challenges and Solutions by Laurian Unnevehr and Delia Grace 2. Aflatoxicosis: Evidence from Kenya by Abigael Obura 3. Aflatoxin Exposure and Chronic Human Diseases: Estimates of Burden of Disease by Felicia Wu 4. Child Stunting and Aflatoxins by Jef L. Leroy 5. Animals and Aflatoxins by Delia Grace 6. Managing Mycotoxin Risks in the Food Industry: The Global Food Security Link by David Crean 7. Farmer Perceptions of Aflatoxins: Implications for Intervention in Kenya by Sophie Walker and Bryn Davies 8. Market-led Aflatoxin Interventions: Smallholder Groundnut Value Chains in Malawi by Andrew Emmott 9. Aflatoxin Management in the World Food Programme through P4P Local Procurement by Stéphane Méaux, Eleni Pantiora, and Sheryl Schneider 10. Reducing Aflatoxins in Africa’s Crops: Experiences from the Aflacontrol Project by Clare Narrod 11. Cost-Effectiveness of Interventions to Reduce Aflatoxin Risk by Felicia Wu 12. Trade Impacts of Aflatoxin Standards by Devesh Roy 13. Codex Standards: A Global Tool for Aflatoxin Management by Renata Clarke and Vittorio Fattori 14. The Role of Risk Assessment in Guiding Aflatoxin Policy by Delia Grace and Laurian Unnevehr 15. Mobilizing Political Support: Partnership for Aflatoxin Control in Africa by Amare Ayalew, Wezi Chunga, and Winta Sintayehu 16. Biological Controls for Aflatoxin Reduction by Ranajit Bandyopadhyay and Peter J. Cotty 17. Managing Aflatoxin Contamination of Maize: Developing Host Resistance by George Mahuku, Marilyn L. Warburton, Dan Makumbi, and Felix San Vicente 18. Reducing Aflatoxins in Groundnuts through Integrated Management and Biocontrol by Farid Waliyar, Moses Osiru, Hari Kishan Sudini, and Samuel Njoroge 19. Improving Diagnostics for Aflatoxin Detection by Jagger Harvey, Benoit Gnonlonfin, Mary Fletcher, Glen Fox, Stephen Trowell, Amalia Berna, Rebecca Nelson, and Ross Darnell

Suggested Citation

  • Unnevehr, Laurian & Grace, Delia, 2013. "Aflatoxins: Finding solutions for improved food safety," 2020 vision focus 20, International Food Policy Research Institute (IFPRI).
    • Handle: RePEc:fpr:2020fo:20
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    File URL: http://www.ifpri.org/sites/default/files/publications/focus20.pdf
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    References listed on IDEAS

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    1. Otsuki, Tsunehiro & Wilson, John S. & Sewadeh, Mirvat, 2001. "Saving two in a billion: : quantifying the trade effect of European food safety standards on African exports," Food Policy, Elsevier, vol. 26(5), pages 495-514, October.
    2. International Food Policy Research Institute (IFPRI), 2012. "The aflacontrol project: reducing the spread of aflatoxins in Mali: summary report," Project notes 4, International Food Policy Research Institute (IFPRI).
    3. International Food Policy Research Institute (IFPRI), 2012. "The aflacontrol project: reducing the spread of aflatoxins in Kenya: summary report," Project notes 5, International Food Policy Research Institute (IFPRI).
    4. Ijae, 2003. "Reviews in Brief," Indian Journal of Agricultural Economics, Indian Society of Agricultural Economics, vol. 58(1), March.
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    6. AfDB AfDB, . "Annual Report 2012," Annual Report, African Development Bank, number 461.
    7. Ijae, 2003. "Reviews in Brief," Indian Journal of Agricultural Economics, Indian Society of Agricultural Economics, vol. 58(2), June.
    8. repec:fpr:2020br:20(15 is not listed on IDEAS
    9. repec:fpr:2020br:20(5 is not listed on IDEAS
    10. Hugo Groote & Clare Narrod & Simon C. Kimenju & Charles Bett & Rosemarie P. B. Scott & Marites M. Tiongco & Zachary M. Gitonga, 2016. "Measuring rural consumers’ willingness to pay for quality labels using experimental auctions: the case of aflatoxin-free maize in Kenya," Agricultural Economics, International Association of Agricultural Economists, vol. 47(1), pages 33-45, January.
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    Cited by:

    1. Unnevehr, Laurian, 2021. "Addressing Food Safety Challenges in Rapidly Changing Food Systems," 2021 Conference, August 17-31, 2021, Virtual 313802, International Association of Agricultural Economists.
    2. Laurian J. Unnevehr, 2022. "Addressing food safety challenges in rapidly developing food systems," Agricultural Economics, International Association of Agricultural Economists, vol. 53(4), pages 529-539, July.
    3. Johnson, Nancy L. & Atherstone, Christine & Grace, Delia, 2015. "The potential of farm-level technologies and practices to contribute to reducing consumer exposure to aflatoxins: A theory of change analysis:," IFPRI discussion papers 1452, International Food Policy Research Institute (IFPRI).
    4. Kibugu, James & Mburu, D & Munga, L & Lusweti, F & Grace, D & Lindahl, J, 2022. "Mycotoxin hazards in the Kenyan food and feed market - A retrospective study," African Journal of Food, Agriculture, Nutrition and Development (AJFAND), African Journal of Food, Agriculture, Nutrition and Development (AJFAND), vol. 22(01).
    5. Delia Grace, 2015. "Food Safety in Low and Middle Income Countries," IJERPH, MDPI, vol. 12(9), pages 1-18, August.

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