One of aromatic materials that are used as a spice for meat and used as an expectorant in the case of respiratory infections, when you put it with food, especially with smokers is categorically phlegm.
The mustard is ripe seed for mustard plant from Cruciferae platoon , which can be either white or yellow or black.
The flour of black or brown mustard is the powder resulting from the grinding mustard seeds black or brown after removing the peel .