0 0. 6 years ago. The detective knows what many of us might find surprising — that the deadly poison cyanide is naturally present in bitter almonds and many … Source(s): https://shrinke.im/a9tew. Bitter Almonds Cyanide. The origin of cyanide content in bitter almonds is via the enzymatic hydrolysis of amygdalin. Even after he was told that raw bitter almonds contained a form of cyanide and were illegal in the Unites States, Schrade was fascinated. Bitter almonds and nuclei of stone fruits or other rosaceae (apricot, peach, plum) contain cyanogenic glycosides, amygdalin, that yields hydrogen cyanide when metabolized in the body. In an attempt to cover her tracks, Stella did the unconscionable. David Kent. She saw to it that a stranger would also become a "random casualty" of cyanide-tainted painkillers. P450 monooxygenases are involved in the amygdalin biosynthetic pathway. Bitter Almonds provides more facts than Joe Friday could possibly want. The author added some commentary but mostly it's dry, voluminous, boring, repetitive facts about the Seattle cyanide murders of 1986. In the … It may be able to remove some of the cyanide but there is almost none in the almonds we eat. There is no deadly Hydrogen Cyanide at all. But Stella's cunning plan came undone when her daughter Cynthia notified federal agents. In bitter or wild almonds, the chemical compound becomes toxic hydrogen cyanide when the almond is crushed, chewed or injured with mechanical handling. Bitter almonds contain cyanide precursors and are not commercially available in the United States. According to Wikipedia , "Bitter almonds may yield from 4–9 mg of hydrogen cyanide per almond and contain 42 times higher amounts of cyanide than the trace levels found in sweet almonds." Bitter almonds may yield 4–9 mg of hydrogen cyanide per almond and contain 42 times higher amounts of cyanide than the trace levels found in sweet almonds. Swallowing six to ten bitter almonds may cause serious poisoning, while the ingestion of fifty could kill a man. Approximately 100-200 milligrams of cyanide when eaten can kill an average-sized person within minutes. Each raw bitter almond can produce 4 to 9 milligrams of hydrogen cyanide (Shragg et al, 1982.