Biofortification of staple crops: nutrition research summary
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HarvestPlus has conducted extensive nutrition research on several biofortified crops to determine their effects on dietary intake, nutrient retention, absorption, and efficacy and effectiveness. Sweet potato, maize, cassava, beans, and pearl millet have all undergone research examining their impacts on nutrient status and intake. Ongoing or planned studies from 2015-2018 will further evaluate the impacts of these biofortified staples as well as rice and wheat on nutrition outcomes and effectiveness in real-world settings for beans, rice, and pearl millet. HarvestPlus has also completed 14 efficacy trials on high iron, pro-vitamin A, and zinc crops with more planned to continue evaluating the impacts.
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In the last 50 years, the Green Revolution increased crop yields, increasing food security and incomes of rural households and largely averted anticipated famines. The emphasis of agricultural research then was on quantity and macronutrients but left quality mostly left untouched. In recent years, however, the emphasis has shifted to food quality, focusing on improving the nutrient content of staple crops, improved food processing and safety, and ultimately dietary diversity in vulnerable populations, in particular with amino acids and micronutrients (especially zinc, iron and vitamin A), but also to dietary diversity. From a focus on production of cereals and staples, research now includes food processing and consumption, and follows the value chain from rural producers to urban consumers.
Economic analysis and impact assessment in the days of the green revolution was relatively straight forward: observations of yield increases from the new technologies were combined with estimation of adoption levels and costs lead to benefit cost analysis and impact assessment. Impact on food security was mostly assessed by calculating the increased amount of calories available per person, and impact on poverty by estimated the increased incomes of rural households and the decreased poverty rates.
The impact assessment of the new nutrition-sensitive agricultural technologies is not as straightforward as that of the green revolution and has required new interdisciplinary methodological developments. How do we measure increases in food quality and dietary diversity? How can we estimate the value of those changes to the consumer? How can we assess the impact of the improved food quality on health? And how do we value the improved health at the individual, household and population level?
This presentation discusses recent methods and their application on a range of new nutrition-sensitive agricultural technologies including biofortified maize varieties such as quality protein maize and orange maize with provitamin A carotenoids, agronomic biofortification with zinc, and hermetic storage of maize to reduce insect damage and mycotoxin contamination.
Role of Biofortification as Part of a More Diverse Diet in Africa: Progress, ...
Role of Biofortification as Part of a More Diverse Diet in Africa: Progress, ...African Regional Strategic Analysis and Knowledge Support System (ReSAKSS)
- HarvestPlus is working to develop and disseminate biofortified crops in Africa to combat micronutrient deficiencies.
- Biofortified varieties of crops like maize, cassava, beans and sweet potato with higher levels of vitamins and minerals have been developed and released in multiple African countries.
- Studies show that when consumed regularly, biofortified crops can deliver significant amounts of nutrients like vitamin A and iron to improve micronutrient status. Farmers are willing to grow the crops and consumers are willing to eat them.Biofortification: An Overview
This document provides an overview of biofortification as a strategy to address micronutrient deficiencies. It discusses:
- Biofortification is the process of breeding staple crops to naturally contain higher levels of vitamins and minerals through conventional plant breeding techniques.
- Over 30 million farming households have gained access to biofortified staple crops rich in vitamin A, iron, and zinc. Research shows these nutrients in biofortified crops can meet 50-100% of daily needs and improve micronutrient status.
- The process involves developing nutrient-dense crop varieties, testing them in different environments, delivering seeds to farmers, and generating demand among consumers. Over 175 biofortified varieties of 12 crops have
ROLE OF ZINCATED WHEAT IN REDUCING HUNGER-DR MUHAMMAD ANJUM ALI
The document discusses biofortification and the work of HarvestPlus to reduce hidden hunger through developing staple crops with increased micronutrients. It provides details on:
1) HarvestPlus' goal of developing staple crops like wheat, rice, cassava that are naturally high in vitamins and minerals to address micronutrient deficiencies.
2) Clinical trials showing that zinc biofortified wheat increases zinc intake and status of women and children in India and Bangladesh.
3) HarvestPlus' efforts to disseminate biofortified seeds to farmers in over 20 countries and plans to continue strengthening crop varieties and scaling up delivery through partnerships.
#WomenInAg Beauty + Bounty by Mary Van Dyke March 2017
Presentation and workshop on opportunities for women in agricultural careers for middle school girls, parents and teachers for the 2017 Girls + Math + Science = SUCCESS! conference on STEM careers.
CHANGE Burkina Faso: Implementation, Successes and Lessons Learned
CHANGE Burkina Faso: Implementation, Successes and Lessons LearnedInternational Food Policy Research Institute (IFPRI)
Stella Nordhagen
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Investing in Research – new evidence showing how a nutrition-sensitive agriculture program improves children’s nutritional status
Co-Organized by IFPRI, HKI, and A4NH
DEC 12, 2017 - 12:15 PM TO 01:45 PM ESTAssessing impacts of ICRISAT Behaviour change nutrition activities in Kenya
1) Dietary diversity scores increased across households, women of reproductive age, and children in the six counties assessed, with children seeing the highest gains. Consumption of crops like finger millet and production of pearl millet increased substantially.
2) Commercialization rates rose for most crops except finger millet and groundnuts. Green grams had the highest commercialization levels.
3) A photovoice study in Tharaka Nithi county found higher dietary diversity scores and smarter food utilization in the treatment area compared to the control, indicating the interventions' positive impact.
Howarth Bouis, IFPRI "Dietary Diversity"
This document discusses biofortification and implementing biofortified crops. It begins by outlining the primary functions of agriculture as income, food, and health. It then discusses dietary diversity and nutrient intakes in poor populations. Several challenges of biofortification are outlined, including whether breeding can increase nutrient levels enough, if the added nutrients are bioavailable, and if farmers and consumers will adopt and consume biofortified crops. Pilot projects on orange sweet potato in Mozambique and Uganda showed increased vitamin A intakes. Targets for numbers of farm households testing biofortified crops by 2018 in various countries are provided. The challenges of scaling up delivery and mainstreaming breeding are discussed. It concludes by quoting Sir Albert Howard on the
Crop_improvement.pptx
A overview of biofortified term and various world wide biofortified crops as well as rice varieties in India.
Integrated Use of Social and Behaviour Change Interventions Improved Compleme...
Integrated Use of Social and Behaviour Change Interventions Improved Complementary Feeding Practices and Reduced Stunting in Amhara Region
Overview on Biofortification
HarvestPlus works to develop staple food crops through conventional breeding that are naturally enriched with vitamins and minerals. They have released biofortified cassava, beans, maize, sweet potato, pearl millet, and rice in over 30 countries in Africa and Asia. Studies show these biofortified crops can reduce micronutrient deficiencies, decrease the incidence and duration of diarrhea in children, and reverse iron deficiency. HarvestPlus partners with seed companies, NGOs, governments, financial institutions, and international agencies to mainstream these crops and generate demand, with a goal of reaching one billion people with biofortified foods by 2030.
Biofortification using Underutilized Crops by Binu Cherian, HarvestPlus
Biofortification using Underutilized Crops by Binu Cherian, HarvestPlus - Regional Expert Consultation on Underutilized Crops for Food and Nutritional Security in Asia and the Pacific November 13-15, 2017, Bangkok
Zezula - Water Quality Monitoring in the School Brand Watershed
The document summarizes a water quality monitoring project in the School Branch watershed in Indiana. The objective is to document how soil health management systems used in production agriculture, such as no-till, cover crops, and nutrient management, can improve water resources. The project involves continuous automatic edge-of-field and in-stream water quality monitoring, as well as soils and plant analysis. Key questions center around nutrient and sediment loads from fields using soil health practices, and biological responses in streams with different agricultural land use. Partners include farmers, universities, NRCS, USGS, and local conservation organizations.
Mainstreaming Nutritional Dimensions in Family Farming
Iron-deficient Indian children under the age of three who ate traditionally-prepared porridges and flat bread made from iron-rich pearl millet flour absorbed substantially more iron
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Presentation at the CGIAR's Science Forum 2013 in Bonn Germany. The Forum theme was Nutrition and Health Outcomes: Targets for Agricultural Research and this was presented in a session on Value Chains.
Data Stewardship Perspectives
The document discusses the importance of data stewardship to support 4R nutrient stewardship. It notes that accessible data needs to be aggregated to support on-farm decisions, regional strategies, and broader reporting. Opportunities exist to integrate databases on topics like soil tests, crop nutrient responses, and nutrient balances to create an stronger evidence base. Research projects and funders are increasingly requiring open access data repositories to facilitate aggregation and meta-analysis of data.
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Biofortification of staple crops: nutrition research summary
- 1. HarvestPlus c/o IFPRI 2033 K Street, NW • Washington, DC 20006-1002 USA Tel: 202-862-5600 • Fax: 202-467-4439 HarvestPlus@cgiar.org • www.HarvestPlus.org Nutrition research summary Nutrition and impact (effectiveness) studies to date and planned (June 2016)
- 2. Making sure that the crops are more nutritious: nutrition research to date Dietary intake & nutritional status Nutrient retention Absorption/ bioavailability Efficacy Effectiveness Sweet Potato Maize ? Cassava ? Beans 2015-18 Pearl millet ? Rice 2017-18 2017-18 ? Wheat 2015-16 () ? (Lancashire) Multi- crops 2017-2018 CU2Y
- 3. Human Nutrition Efficacy Trials 14 efficacy trials either completed or in process – High iron crops + • Meta-analysis completed for beans and pearl millet – High pro-vitamin A crops • Multiple efficacy trials completed for sweet potato, maize, and cassava – High zinc crops • Bioavailability positive; 2 efficacy trials - data collection completed – Multiple crops (iron, zinc, pVA carotenoids) • Trial with children <2 y ongoing 2016 (Mumbai)
Editor's Notes
- NP NL women and children 3-6 yrs Phases I and II focus