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close this bookBetter Farming Series 16 - Roots and Tubers (FAO - INADES, 1977, 58 p.)
close this folderYams
close this folderThe use of yams in food
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View the documentFresh and mashed yams
View the documentDried yams and yam flour


Yams are the staple food of many peoples of Africa.

Yams are eaten fresh, or are treated and preserved.

Most varieties of yams, especially the wild species that are not cultivated, contain a poison (dioscorine). But this poison is removed by washing the yams several times in salt water and by cooking them well.

This is why yams must never be eaten raw, but only when they are thoroughly cooked.