| Raw (young) | Poisonous (sesquiterpenes, triterpenoids, tartaric acid, oxalic acid, citric acid, cichoric acid, ethyl caffeate) |
| Raw (mature) | Poisonous (sesquiterpenes, triterpenoids, tartaric acid, oxalic acid, citric acid, cichoric acid, ethyl caffeate) |
| Dried | Poisonous (sesquiterpenes, triterpenoids, tartaric acid, oxalic acid, citric acid, cichoric acid, ethyl caffeate) |
| Cooked with additives | Poisonous (sesquiterpenes, triterpenoids, tartaric acid, oxalic acid, citric acid, cichoric acid, ethyl caffeate) |
| Cooked without additives | Poisonous (sesquiterpenes, triterpenoids, tartaric acid, oxalic acid, citric acid, cichoric acid, ethyl caffeate) |
| Canned | Poisonous (sesquiterpenes, triterpenoids, tartaric acid, oxalic acid, citric acid, cichoric acid, ethyl caffeate) |