1. color: black wheat flour is dark gray or brown, and white flour is light white or light yellow.
2. Nutritional components: The nutritional components in black wheat flour are richer than those in white flour, such as protein, dietary fiber, vitamins and minerals. Among them, the content of protein in black wheat flour is higher, while the content of protein in white flour is lower. The content of dietary fiber in black wheat flour is also high, which is helpful to promote intestinal health.