Cassava cyanogens and free amino acids in raw and cooked leaves

Food and Chemical Toxicology

Volumn 41, Issue 8, 2003, Pages 1193-1197

  Ngudi, D Diasolua ^a,b   Kuo, Y H ^a   Lambein, F ^a  

^a GHENT UNIVERSITY   (Belgium)

^b National Program of Nutrition   (Congo)

Author keywords

Cassava leaves; Cyanogens; Food safety; Konzo; Manihot esculenta; Non protein amino acid; Upper motoneurone disease

Indexed keywords

2 AMINOBUTYRIC ACID; 4 AMINOBUTYRIC ACID; AMINO ACID; CYANOGEN; GLUCOSIDE; HYDROGEN CYANIDE; TRIGONELLINE; UNCLASSIFIED DRUG;

AMINO ACID ANALYSIS; ARTICLE; CARBOHYDRATE ANALYSIS; CASSAVA; COOKING; DIETARY INTAKE; FOOD ANALYSIS; FOOD POISONING; KONZO; MOTOR NEURON DISEASE; NONHUMAN; PLANT LEAF; WORLD HEALTH ORGANIZATION;

APOGON BRACHYGRAMMUS; MANIHOT; MANIHOT ESCULENTA;

EID: 0038168764     PISSN: 02786915     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0278-6915(03)00111-X     Document Type: Article

References (23)

1. Almazan A.M., Theberge R.L. Influence of cassava mosaic virus on cassava leaf-vegetable quality. Tropical Agriculture (Trinidad). 66:1989;305-308.
2. Banea-Mayambu, J.P., 1997. Dietary exposure to cyanogens from cassava: a challenge for prevention in Zaire. Acta Universitatis Upsaliensis. Comprehensive summaries of Uppsala dissertations from Faculty of Medicine 689, Uppsala, Sweden.
3. Bokanga M. Processing of cassava leaves for human consumption. Acta Horticulturae. 375:1994;203-207.
4. Bradbury M.G., Egan S.V., Bradbury J.H. Determination of all forms of cyanogens in cassava roots and cassava products using picrate paper kits. Journal of the Science of Food and Agriculture. 79:1999;593-601.
5. Collection de recettes zaïroises. 1988;Centre National de Planification de Nutrition Humaine, Kinshasa. 61-62.
6. Carod-Artal F.J., Vargas A.P., del Negro C. Spastic paraparesis due to long term consumption of wild cassava (Manihot esculenta). a neurotoxic model of motor-neurone disease Revista De Neurologia. 29:1999;610-613.
7. Diasolua Ngudi D., Kuo Y.-H., Lambein F. Food safety and amino acid balance in processed cassava roots "cossettes" Journal of Agricultural and Food Chemistry. 50:2002;3042-3049.
8. Diasolua Ngudi D., Kuo Y.-H., Lambein F. Amino acid profiles and protein quality of cooked cassava leaves or 'saka saka'. Journal of the Science of food and Agriculture. 83:2003;529-534.
9. Essers, A.J.A, 1995. Removal of cyanogens from cassava roots: studies on domestic sun-drying and solid-substrate fermentation in rural Africa. Ph D Thesis, Wageningen Agricultural University, The Netherlands, p. 131.
10. Essers A.J.A. Reducing toxicity by simple changes in the traditional preparation of cassava leaves- a small trial in Mozambique. Tropical Science. 29:1989;269-272.
11. Joint FAO/WHO Food Standards Programme. Codex alimentarius commission, XII, supplement 4. 1991;FAO/WHO, Rome.
12. Getahun H., Mekonnen A., TekleHaimanot R., Lambein F. Epidemic of neurolathyrism in Ethiopia. Lancet. 354:1999;306-307.
13. Goldsmith R.F., Earl J.W., Ouvrier R.A., Procopis P., Cummingham CSF amino acids in childhood epilepsy. Lubec G., Rosenthal G.A. Amino Acids: Chemistry, Biology and Medicine. 1990;415-421 Escom Science Publishers B.V. Leiden, The Netherlands.
14. Hahn S.K. An overview of African traditional cassava processing and utilization. Outlook on Agriculture. 18:1989;110-118.
15. Lancaster P.A., Brooks E. Cassava leaves as human food. Economic Botany. 37:1983;331-348.
16. Padmaja G. Evaluation of techniques to reduce assayable tannin and cyanide in cassava leaves. Journal of Agricultural and Food Chemistry. 37:1989;712-716.
17. Rosling H. Measuring effects in humans of dietary cyanide exposure from cassava. Acta Horticulturae. 375:1994;271-283.
18. Rozan P., Kuo Y.-H., Lambein F. Free amino acids present in commercially available seedlings sold for human consumption. a potential hazard for consumers Journal of Agricultural and Food Chemistry. 48:2000;716-723.
19. Rubenstein E. Biologic effects of and clinical disorders caused by nonprotein amino acids. Medicine. 79:2000;80-89.
20. Shelp B.J., Bown A.W., McLean M.D. Metabolism and functions of gamma-aminobutyric acid. Trends in Plant Science. 11:1999;446-452.
21. Tshala-Katumbayi, D., 2001.On the site of the lesion in konzo. Clinical and neuro-physiological studies on a non-progressive upper motor neuron disorder. Acta Universitatis Upsaliensis. Comprehensive summaries of Uppsala dissertations from Faculty of Medicine 1092, Uppsala, Sweden.
22. White W.L.B., Arias-Garzon D.I., McMahon J.M., Sayre R.T. Cyanogenesis in cassava, the role of hydroxynitrile lyase in root cyanide production. Plant Physiology. 116:1998;1219-1225.
23. White W.L.B., McMahon J.M., Sayre R.T. Regulation of cyanogenesis in cassava. Acta Horticulturae. 375:1994;69-85.