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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

In order to better understand farmers’ sweetpotato varieties grown in Malawi for subsequent improvement and effective contribution of agricultural research to livelihood, a study which involved germplasm collection and indigenous knowledge documentation survey in 2003 in Chikwawa and Nsanje Distr...


Chipungu, F.P.Saka, J.D.K.Ambali, A.J.D.Mahungu, N.M.Mkumbira, J.[Importance of orange-fleshed sweetpotato cultivars in Malawi: a consolidation of morphological, organoleptic and beta-carotene analysis]Importance of orange-fleshed sweetpotato cultivars in Malawi: a consolidation of morphological, organoleptic and beta-carotene analysis

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"

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