|Toomey VM, Nickum EA, Flurer CL September 2012||dulcis are predominantly sweet but some individual trees produce seeds that are somewhat more bitter|
|"Use of recessive homozygous genotypes to assess genetic control of kernel bitterness in almond"||The origin of cyanide content in bitter almonds is via the of amygdalin|
Extract of bitter almond was once used medicinally but even in small doses, effects are severe or lethal, especially in children; the cyanide must be removed before consumption.
|Bitter almonds may yield 4—9 mg of per almond and contain 42 times higher amounts of cyanide than the trace levels found in sweet almonds||A point mutation in a prevents of the two cytochrome P450 genes, resulting in the sweet kernel trait|
|UN Food and Agriculture Organization, Corporate Statistical Database FAOSTAT||The acute oral lethal dose of cyanide for adult humans is reported to be 0|
Eating such almonds could result in and other typical bitter almond cyanide poisoning effects.