The functional soy dietary fiber is drawn from the cell wall material of soybean cotyledon. It is composed of a complex insoluble fiber, soluble fiber and protein. It gives its special properties of higher water binding and absorption to thefood industry especially in Mainline Breads and Rolls, Light Breads and Rolls,Frozen and Refrigerated Doughs, and Cakes and Sweet goods. And it is also introduced as one of excellent source of dietary fiber that brings great benefit for human body health. It is recommended for usage with soy protein together for cost effective purpose in meat industry.