Mustard, also known as mustard seeds, mustard spicy powder, is the mature seeds of mustard ground into a spicy seasoning. It is native to China, a long history, from the Zhou Dynasty has begun to eat in the court. It has a long history of cultivation and has been consumed at court since the Zhou Dynasty. The spicy flavor of mustard is very unique, and the mustard powder has a strong tear-jerking aroma when it is moistened and sprayed out. Mustard powder, is the mature seeds of mustard ground into a powdered seasoning. Mustard is slightly bitter, pungent and aromatic, with a strong stimulus to the mouth and tongue and a very distinctive flavor, and can be used as a condiment in kimchi, marinating raw meat, or tossing salads. It can also be used with soy sauce as a delicious seasoning for sashimi.