This Dijon mustard contains 1.1% of Black truffle. It is a must-have condiment to accompany not only your roasted or BBQ meat the perfect elegant seasoning for your French Vinaigrette. Ingredients: Water, Mustard Seed, Vinegar (sulfites), Salt, Flavoring, Truffle Breaking 1.1% (Tuber melanosporum, Tuber brumale), Preservative: Sodium Bisulphite. Maison Pébeyre is a French expert in truffle products since 1897.