Mustard is a herbaceous plant of the cruciferous family such as rapeseed, cabbage and radish, which was already used more than 3000 years ago. Cross-shaped flowers give fruits contained in pods that open when they reach maturation. Generally, mustard is collected before those pods are opened. The grains they contain, very small and covered by a skin, are allowed to dry. Mustard grains are present in various spice mixtures, and are added whole in some ..