RESUMEN
Various types of legumes were collected from three different places. Five legumes from Egypt [Faba bean, Mung bean, Lentils, Soybean and Peanut]. Six legumes from U. S. A. [Kidney bean, Navy bean, Soybean, Faba bean, Black eye bean and Lentils] and three legume from India [Bengo gram, Red grain and Green gram]. In these fourteen types of legume, free and bound hydrocyanide were measured by using spectroquant 14800 Kits and total hydrocyanide was calculated. The results showed that the American Soybean was contained highest amount of free HCN than all other legumes while Red gram of Indian legumes gave the lowest amount of free hydrocyanide. However Green gram of Indian legumes was contained highest amount of bound hydrocyanide, the Black eye bean was contained lowest amount of bound hydrocyanide, in case of total cyanide the soybean, and pea-nut were contained highest amount of CN[-] and also Black eye bean was contained lowest amount of CN[-]