Abstract
The metabolism of yellow cassava (variety TMS 01/1368) was investigated in male albino rats fed a diet containing yellow cassava for 7 to 28 days. There were significant increases (P < 0.05) in total and free cyanide and thiocyanate in the sera and urine samples of the experimental rats compared with the control, significant increases (P < 0.05) in serum glucose, alanine aminotransaminase, aspartate aminotransaminase, and alkaline phosphatase levels of the experimental rats compared with the control, significant decreases (P < 0.05) in serum albumin of the experimental rats compared with the control, but no significant differences (P > 0.05) in the serum total proteins of the experimental rats compared with the control. The experimental rats treated for 7, 14, 21, or 28 days exhibited body weight decreases of 5.11%, 11.10%, 19.16%, and 24.18%, respectively, whereas the control group showed 9.17% gain in body weight. Total and free cyanide concentrations were detected in the liver, kidney, and heart of most of the rats in both the experimental and control groups, except for free cyanide in the control group that was not detected. Metabolism of the yellow cassava variety in experimental rats was capable of exposing the animals to cyanide, underscoring the need for its proper processing before consumption by humans.
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