Amygdalin is hydrolysed by two enzymes (amygdalin hydrolase and prunasin hydrolase) most proficiently in crushed, moistened kernels, leading to the formation of HCN and glucose An antidotal blend of inhaled amyl nitrate and intravenous sodium nitrite and sodium thiosulfate will often be indicated. The IPCS/CEC (1993) overview of antidotes for cy