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