Research Article

Potential Toxic Levels of Cyanide in Almonds (Prunus amygdalus), Apricot Kernels (Prunus armeniaca), and Almond Syrup

Table 3

HCN levels in some cyanogenic plants studied in Algeria, Australia, and Cameroon.

SpeciesHCN levels (mg/kg)Ref

Algerian samplesApricot kernels
(P. armeniaca)
1130–1220 [15]

Australian samplesApricot kernels 
(P. armeniaca)
785–813 [4]
Peach pits (P. persica)710–720
Apple pits (Malus spp)690–790
Flax seeds
L. usitatissimum
360–390

Cameroonian samples Manioc (M. esculenta)91–1515[16]