American yellow mustard are the ones used to made by White mustard seeds, which are most mild. Mustard seeds are a very popular ingredient in the American cuisine. These seeds are used for taste generally in hot dogs, where mustard sauce is very much preferred.Mustard seeds are largely used for tempering dishes. It is used in non-vegetarian dishes to enhance the taste of meats and fishes. Another great way of putting mustard seeds to use is in salad dressings. Mustard Seeds is a great source of fiber, phyto-nutrients, essential oils and anti-oxidants. Mustard Seeds contains, Manganese, Phosphorus, Copper, Vitamin B1.