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Cassava roots contain cyanogenic glucosides. Malawian farmers classify cultivars into two groups based on the perceived danger of eating raw roots that they associate with bitterness. In the vernacular, cultivars that produce roots with bitter taste are called vyakubaba (bitter), whereas those yi...


Chiwona-Karltun, L.Brimer, L.Kalenga Saka, J.D.Mhone, A.R.Mkumbira, J.Johansson, L.Bokanga, M.Mahungu, N.M.Rosling, H.[Bitter taste in cassava roots correlates with cyanogenic glucoside levels]Bitter taste in cassava roots correlates with cyanogenic glucoside levels

This paper is based on information collected from about 600 villages in the ten largest cassava-producing countries within the framework of the Collaborative Study of Cassava in Africa (COSCA). The objective of the paper is to show that growth in cassava production in the region will depend more ...


Nweke, F.I.Bokanga, M.[Importance of cassava processing for production in subSaharan Africa]Importance of cassava processing for production in subSaharan Africa

Cassava roots, a major food in Africa, contain cyanogenic glucosides that may cause toxic effects. Malawian women farmers considered fields of seemingly similar cassava plants to be mixes of both ‘cool’ and ‘bitter’ cultivars. They regard roots from ‘cool’ cultivars as non-toxic. Roots of ‘bitter...


Mkumbira, J.Chiwona-Karltun, L.Lagercrantz, U.Mahungu, N.M.Saka, J.Mhone, A.Bokanga, M.Brimer, L.Gullberg, U.Rosling, H.[Classification of cassava into bitter" and "cool" in Malawi: from farmers perception to characterization by molecular markers"]Classification of cassava into bitter" and "cool" in Malawi: from farmers perception to characterization by molecular markers"

A village level survey was organised in 200 villages in semiarid areas of Burkina Faso, Chad, Ghana, Niger, and Nigeria using structured questionnaires in order to provide baseline information on the status of cassava processing technology as part of the collaborative study on cassava in semiarid...


Tshiunza, M.Okechukwu, R.U.Bokanga, M.Dixon, Alfred G.O.[Current status of cassava processing technology in semiarid areas of Central and West Africa. In The small processor and development of local food industries for market economy]Current status of cassava processing technology in semiarid areas of Central and West Africa. In The small processor and development of local food industries for market economy

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