Apple seed oil oil, with the oil cake being used to supplement animal feed. Apple seeds are known to contain low concentrations (lower than apricot or almond seeds) of amygdalin, a compound that degrades into Hydrogen Cyanide (HCN) when metabolized. Apple seed oil Apple seed oil is a fixed oil found in apple seeds. It is used in the cosmetic and medical industries. A study on apple seed oil was conducted in 2007 which found that apple seeds contain a high amount of both oil and protein (27.5 to 28% and 33.8 to 34.5%, respectively). Analysis of amino acids in apple seeds concluded
Substance theory substance theory is the argument from conception. The argument claims that in order to conceive of an object's properties, like the redness of an apple, one must conceive of the object that has those properties. According to the argument, one cannot conceive of redness, or any other property, distinct from the substance that has that property. The idea of substance was famously critiqued by David Hume, who held that since substance cannot be perceived, it should not be assumed to exist. But the claim that substance cannot be perceived is neither clear nor obvious, and neither is the implication obvious.