Fonio facts for kids
Fonio is the term for two cultivated grasses in the genus Digitaria that are notable crops in parts of West Africa. They are millets with small grains.
Fonio is a nutritious food with a favorable taste. It is consumed mainly in West African countries, where it is also cultivated. The global fonio market was 673,000 tonnes in 2016. Guinea annually produces the most fonio in the world, accounting for over 75% of the world's production in 2019. The name fonio (borrowed by English from French) is from Wolof foño.
In December 2018, the European Commission approved commercialization of fonio as a novel food in the European Union, after submission by the Italian company Obà Food to manufacture and market new food products.
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Types
White fonio
White fonio, Digitaria exilis, also called "hungry rice" by Europeans, is the most common of a diverse group of wild and domesticated Digitaria species that are harvested in the savannas of West Africa. Fonio has the smallest seeds of all species of millet. It has potential to improve nutrition, boost food security, foster rural development, and support sustainable use of the land.
Nutritious, gluten-free, and high in dietary fiber, fonio is one of the world's fastest-growing cereals, reaching maturity in as little as six to eight weeks. The grains are used to make porridge, couscous, bread, and beer.
Black fonio
Black fonio, D. iburua, is a similar crop grown in several countries of West Africa, particularly Nigeria, Togo, and Benin.
Cultivation and processing
Fonio grows in dry climates without irrigation, and is unlikely to be a successful crop in humid regions. It is planted in light (sandy to stony) soils, and will grow in poor soil. The growth cycle ranges from 70-130 days, depending on variety. Fonio has C4 carbon fixation, like many other grasses. They are medium in height. The ploidy level for the species range from diploid (2n), tetraploid (4n), to hexaploid (6n).
Fonio is labor-intensive to harvest and process. Men and boys use sickles to cut down the fonio, which women then gather into sheaves and set out to dry. Then it is threshed by spreading it on straw mats or tarps, typically by women using their feet. The grains are then washed by hand.
The small grains make it difficult and time-consuming to remove the husk. Traditional methods include pounding it in a mortar with sand, and then separating the grains and sand, or "popping" it over a flame and then pounding it, which yields a toasted-color grain (a technique used among the Akposso). The invention of a simple fonio husking machine offers an easier mechanical way to dehusk.
