Information you will hopefully never verify for yourself: If you drink a large glass of apple juice and end up throwing up soon afterwards, the vomit will in fact taste/smell vaguely of apples. This does not make the experience any more pleasant.

Related: Does anyone know if preserves (standard store-bought strawberry preserves) go bad? The jar was refrigerated, it wasn't that old (certainly wasn't past the expiration date), but it may be responsible for my unhappy stomach.