Soy sauce , a liquid condiment brewed from beans, wheat, and bran. The color is reddish-brown, has a unique sauce, has a delicious taste, and helps promote appetite. It is a traditional Chinese condiment. Soy sauce, commonly known as soy sauce, is mainly brewed from soybeans, starch, wheat , and salt through oil production and fermentation processes. The composition of soy sauce is more complicated. In addition to the salt, there are also a variety of amino acids, sugars, organic acids, pigments and spices. It is mainly salty, but also has umami taste and fragrance. It can increase and improve the taste of dishes, as well as add or change the color of dishes. The people of our country have mastered the brewing process thousands of years ago. And soy sauce are generally soy sauce two types: soy sauce saltier, for providing fresh; soy lighter, for providing color.