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Tanzania Journal of Health Research
Health User's Trust Fund (HRUTF)
ISSN: 1821-6404
Vol. 12, No. 4, 2010, pp. 252-256
Bioline Code: th10035
Full paper language: English
Document type: Research Article
Document available free of charge

Tanzania Journal of Health Research, Vol. 12, No. 4, 2010, pp. 252-256

 en Effect of germination and autoclaving of sprouted finger millet and kidney beans on cyanide content
Chove, Bernard E. & Mamiro, Peter S.

Abstract

Cyanide contents of locally purchased brown finger millet ( Eleusine corocana check for this species in other resources L. Gaertner) and brown speckled kidney bean seeds ( Phaseolus vulgaries var. Rose Coco check for this species in other resources ) were determined using raw, germinated and autoclaved samples. The aim was to establish the extent of cyanide content increase resulting from the germination process and the effectiveness of the autoclaving process on the reduction of cyanide levels in the samples, for safety considerations. Autoclaving was carried out at 121°C for 20 minutes. It was found that germination increased the cyanide content by 2.11 to 2.14 fold in finger millet for laboratory processed samples. In the case of kidney beans the increment was 1.76 to 1.77 fold for laboratory samples. The increments for field processed samples were in the same range as those for laboratory samples. Autoclaving reduced the cyanide content to between 61.8 and 65.9 % of the original raw contents for finger millet and between 56.6 to 57.8% in the case of kidney beans. The corresponding reductions for field samples were also found to be within the same ranges as the laboratory processed samples. It was concluded that autoclaving significantly reduced the cyanide levels in germinated finger millet and kidney beans.

Keywords
cyanide, autoclaving, germination, millet, beans, complementary food

 
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