A modified microdiffusion assay with solid-state detection for the determination of total cyanogens (CNp) in cassava flour. Comparison to the method of O'Brien et al. (1991)

Food Chemistry

Volumn 62, Issue 2, 1998, Pages 239-242

  Brimer, Leon ^a   Abrahamsson, Maria ^b   Mlingi, Nicholas ^c   Rosling, Hans ^d,e  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

^b SWEDISH UNIVERSITY OF AGRICULTURAL SCIENCES   (Sweden)

^c Tanzania Food and Nutrition Centre   (Tanzania)

^d UPPSALA UNIVERSITY HOSPITAL   (Sweden)

^e KAROLINSKA INSTITUTE   (Sweden)

Author keywords

[No Author keywords available]

Indexed keywords

LINAMARIN; PLANT GLYCOSIDE;

ARTICLE; ASSAY; CASSAVA; COLOR; DIFFUSION; FLOUR; FOOD ANALYSIS; INTERMETHOD COMPARISON;

MANIHOT ESCULENTA;

EID: 0032103526     PISSN: 03088146     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0308-8146(97)00152-0     Document Type: Article

References (17)

1. Bradbury, J. H., Egan, S. V. and Lynch, M. J. (1991) Analysis of cyande in cassava using acid hydrolysis of cyanogenic glucosides. Journal of the Science of Food Agriculture 55, 277-290.
2. Bradbury, J. H., Bradbury, M. G. and Egan, S. V. (1994) Comparison of methods of analysis of cyanogens in cassava. Acta Horticulturae 375, 87-96.
3. Brimer, L. (1994) Quantitative solid-state detection of cyanogens: from field test kits to semi-automated laboratory systems allowing kinetic measurements. Acta Horticulturae 375, 105-116.
4. Brimer, L. and Mølgaard, P. (1986) Simple densitometric method for estimation of cyanogenic glycosides and cyanohydrins under field conditions. Biochemical Systematics and Ecology 14, 97-103.
5. Brimer, L. and Rosling, H. (1993) A microdiffusion method with solid state detection for determination of cyanogenic glycosides from cassava in human urine. Food and Chemical Toxicology 31, 599-603.
6. Brimer, L., Brøgger Christensen, S., Mølgaard, P. and Nartey, F. (1983) Determination of cyanogenic compounds by thin-layer chromatography. 1. A densitometric method for quantification of cyanogenic glycosides, employing enzyme preparations (β-glucuronidase) from Helix pomatia and picrate-impregnated ion-exchange sheets. Journal of Agriculture and Food Chemistry 31, 789-793.
7. Brimer, L., Cicalini, A. R., Federici, F. and Petruccioli, M. (1994) Production of β-glycosidases (linamarase and amygdalase) and pectolytic enzymes by Penicillium spp. World Journal of Microbiology and Biotechnology 10, 203-206.
8. CAC (Codex Alimentarius Commision) (1988) Report of the eighth session of the Codex Coordinating Committee for Africa. FAO/WHO, Cairo.
9. Cooke, R. D. (1978) An enzymatic assay for the total cyanide content of cassava (Manihot esculenta Crantz). Journal of the Science of Food and Agriculture 29, 345-352.
10. Delange, F., Ekpechi, L. O. and Rosling, H. (1994) Cassava cyanogens and iodine deficiency disorders. Acta Horticulturae 375, 389-293.
11. FAO (Food and Agriculture Organization) (1989) African Regional Standard for Gari. In Codex Alimantarius, Abridged Version, pp. 17.1-17.2. FAO, Rome.
12. IFS (International Foundation for Science) (1992) Foods from root, tuber and plantain crops. In Proceedings of a Regional Workshop on Traditional African Foods-Quality and Nutrition, 25-29 November 1991, ed. A. Westby and P. J. A. Reilly, pp. 121-177. IFS, Stockholm.
13. Mlingi, N., Poulter, N. H. and Rosling, H. (1992) An outbrake of acute intoxications from consumption of insufficiently processed cassava in Tanzania. Nutrition Research 12, 677-687.
14. Nartey, F. (1968) Studies on cassava, Manihot utilissima Pohl. I. cyanogenesis: the biosynthesis of linamarin and lotaustralin in etiolated seedlings. Phytochemistry 7, 1307-1312.
15. O'Brien, G. M., Taylor, A. J. and Poulter, N. H. (1991) An improved enzymatic assay for cyanogens in fresh and processed cassava. Journal of the Science of Food and Agriculture 56, 277-289.
16. Osuntokun, B. O. (1994) Chronic cyanide intoxication of dietary origin and a degenerative neuropathy in Nigerians. Acta Horticulturae 375, 311-321.
17. Tylleskaer, T., Banea, H., Bikangi, N., Cooke, R. D., Poulter, N. H. and Rosling, H. (1992) Cassava, cyanogens and konzo, an uppper motoneuron disease found in Africa. Lancet 339, 208-211.