Tofu is a carbohydrate. Carbohydrate is the most organic compound in nature. It is composed of carbon, hydrogen and oxygen. It is called carbohydrate because it contains the same proportion of hydrogen and oxygen as water. The general chemical expression of carbohydrate is C6H12O6.
Carbohydrate is one of the three basic substances in the biological world. It provides main energy for biological growth, movement and reproduction. It is one of the essential substances for human survival and development. Carbohydrates in food can be divided into effective carbohydrates that can be absorbed and utilized by people (such as monosaccharide, disaccharide and polysaccharide) and ineffective carbohydrates that can not be digested by people.
Carbohydrates are the main components of life cell structure and the main energy supply material, and have the important function of regulating cell activities. There are three main forms of carbohydrates in the body, glucose, glycogen and sugar containing complex. The physiological function of carbohydrates is related to the types of carbohydrates in food and the forms in the body.