Amygdalin is hydrolysed by two enzymes (amygdalin hydrolase and prunasin hydrolase) most properly in crushed, moistened kernels, resulting in the formation of HCN and glucose An antidotal mixture of inhaled amyl nitrate and intravenous sodium nitrite and sodium thiosulfate are sometimes indicated. The IPCS/CEC (1993) critique of antidotes for cy