Avaliaçäo biológica da toxidez de uma espécie de mandioca (manihot esculenta crantz) após secagem / Biological evaluation toxicity of a species of cassava (Manihot esculenta Crantz) after dried

It was utilized in the present work, a species of cassava (Manihot esculenta Crantz), variety "osso duro", solaty dried at ñ 30-C and artificially dried at 60-C. The biological studies on the use of flour of bittes of cassava, variety "osso duro", demonstrated that the flour dried at 60-C can substitute maize starch as source of energy, while the flour of cassava dried by solar energy cannot, due to the high concentration of hydrocyanic acid (1,376 mg%) in comparison to the first (0,317 mg%).