Fonio (Digitaria exilis) is an ancient cereal grain that has been cultivated in West African countries for over 5,000 years. Also called acha. It is the tiniest grain in the millet family and a main source of nutrition for more than 3 million people.

Fonio is a traditional cereal which has often occupied a marginal position among the other cultures, in most of West African
countries where it is cultivated, in spite of its cultural, nutritional and economic importance in many socio-cultural groups.
Processing and utilization of fonio require adequate knowledge on its structural, chemical and nutritional characteristics. 

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