Yellow mustard originates from China, is the seeds of mustard ground into a yellow color, slightly bitter, is a common spicy seasoning, mostly used in cold dishes. In addition to flavoring, folk also use yellow mustard internal treatment of vomiting, umbilical colic, external treatment of arthritis and so on.
Green mustard originated in Japan, by the wasabi or horseradish ground from the green, its pungent odor is stronger than yellow mustard, and has a unique aroma, mostly used in Japanese cuisine.