3, the function and role of carbohydrates: carbohydrates refer to sugars, which can be digested and absorbed and utilized. It is an important substance that constitutes cells and body tissues, such as distributed in the cell membrane, organelle membrane, cytoplasm and intercellular matrix, storing and providing heat, providing energy to the brain, participating in a variety of cell activities, as well as saving protein, regulating fat metabolism, detoxification, enhancing intestinal function and so on.
4, the function and role of dietary fiber: dietary fiber is mainly carbohydrates that cannot be digested and absorbed. Because it is not dissolved and absorb water can soften the stool and promote excretion; absorb water to expand and increase satiety, can reduce food intake to prevent obesity and weight gain; provide food for intestinal probiotics, can improve the body's immunity; delay the absorption of carbohydrates, can control the rise in blood sugar; promote gastrointestinal peristalsis to speed up the movement of food in the intestine; promote blood circulation to prevent and treat hemorrhoids and so on.
5, the function and role of vitamins: vitamins are organic compounds, not constituents of cells and body composition, do not produce energy, but are essential micronutrients of the human body, the human body can not synthesize or synthesize insufficient, must often be obtained through food, lack of will cause serious health problems, excessive intake will also cause poisoning, the body's metabolism, growth and development, health is extremely important. Vitamins have enhanced vision, skin whitening, maintaining spirit, making red blood cells to improve anemia headache, antioxidants to improve immunity, help gums and bone growth to prevent osteoporosis and children's osteochondrosis, anti-aging to help lower blood pressure and anti-infection, coagulation effect and so on. (To be continued)