Here are some "coeur d'artichaut" :
Where can I find it ?
You'll find "coeurs d'artichauts" in a supermarket, "rayon conserves" :
How long can I keep them ?
A few months before opening, see the DLUO.
Then a few days in the fridge.
How to use it ?
As a "crudité", in a salad with any other kind of crudité and a sauce salade.
See the vegetables list