| Raw | Poisonous (tannins, β-sitosterol, gallic acid) |
| Dried | Poisonous (tannins, β-sitosterol, gallic acid) |
| Cooked with additives | Poisonous (tannins, β-sitosterol, gallic acid) |
| Cooked without additives | Poisonous (tannins, β-sitosterol, gallic acid) |
| Canned | Poisonous (tannins, β-sitosterol, gallic acid) |
| Cereal oil | Poisonous (tannins, β-sitosterol, gallic acid) |