> I bet that you never worry about the fact that your potatoes have a little bit of solanin after all

In fairness, solanine is purely an acute poison, while annonacin has cumulative effects. Not that the compound itself bioaccumulates but the damage it causes does.

If you already have any parkinsons symptoms whatsoever, pawpaw amounts greater than 0.2 fruits per year have been shown to worsen them.