apples - The seeds are mildly poisonous, containing a small amount of amygdalin, a cyanogenic glycoside, but a large amount would need to be chewed to have any toxic effect [1]. Pesticide contamination is linked to an increasing number of diseases, and they are mostly found on the outside of fruits and vegetables. Washing or peeling before eating may reduce pesticide intake[2] but peeling will also reduce the intake of the beneficial nutrients.