2. Wheat flour is divided into whole-wheat flour and common flour, which uses whole-wheat flour to make out of the bread and sweetheart, no matter in the taste or nutritional value, are better than common flour.

3. Nutritional value of wheat flour: Wheat flour not only provides the energy needed for human activity, but also contains a rich source of proteins, fats, minerals, vitamins, phytochemicals, and other ingredients needed by the human body.

4. The main nutrients of bran in different grades of wheat flour and whole wheat flour are listed below.

5. As seen in the table, the energy provided by the special powder is higher than the ordinary powder and bran, but because of its processing in the powder in addition to most of the bran and germ components, so that the protein, dietary fiber, minerals, trace elements, vitamins, and other nutrients that people in the current diet is easy to lack of nutrients is much lower than the ordinary powder and bran.