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Seven nutrients

Modern medical research shows that there are no fewer than 100 kinds of nutrients required by the human body, some of which can be synthesized and manufactured by themselves, but they cannot be synthesized and manufactured by themselves. 

There must be about 40 kinds of external ingestories. After fine separation, the seven major nutrients can be summarized.

Protein

Protein is the foundation of all life. It is an important component in the formation, renewal and repair of tissues and cells. It is involved in the regulation of material metabolism and physiological functions, ensuring the growth, development, reproduction, inheritance and supply of the body. Energy. 
Meat, eggs, milk, fish, and beans are the main nutrients that provide protein.

Fat

Fat is one of the sources of energy. It assists in the absorption of fat-soluble vitamins (A, D, E, K, and carotene), protects and fixes internal organs, prevents heat from disappearing, and maintains body temperature. Grease is the main nutrient that provides fat.

Vitamin

Vitamin is to maintain human health must material requirements, though small, but cannot due to lack of synthesis or synthesis of the body, food intake must go. Vitamins are water soluble (vitamin B, vitamin C) and fat soluble (vitamin A, D, E, K, etc.). 

They are essential for the normal growth and development of the body and the regulation of physiological functions. Vegetables and fruits are the main nutrients that provide vitamins.

Carbohydrate (carbohydrate)

Sugar is the main energy source of the human body, and more than 70% of the energy required by the human body is supplied by sugar. It is also an important component of tissues and cells. Grains are the main nutrients that provide sugar.

Mineral

Minerals are important components of bones, teeth and other tissues. They activate hormones and maintain the main halogen system. They have important physiological functions. Vegetables and fruits are the main nutrients for providing minerals.

Water

Water is the main component of the human body fluids, it is to sustain life must, accounting for about 60% of body weight, has a role in regulating body temperature, transport of substances, promote the body's chemical reactions and lubrication. The source of water is mainly from the water we quote daily to maintain the body's needs.

Cellulose

Belongs to carbohydrates. Including: cellulose, hemicellulose, lignin, pectin and the like. After ingestion, it is not digested and absorbed by the human body to form waste residue. 

  Excreted with the stool. It can promote intestinal peristalsis, while adsorbing excess fat, cholesterol and other excretion; effectively prevent adult cardiovascular disease, gastrointestinal disease.

Dietary fiber

Dietary fiber refers to the component that cannot be digested and absorbed in plants. It is an indispensable factor for maintaining health. It can soften intestinal material, stimulate stomach wall peristalsis, and assist bowel movements. And reduce the absorption of cholesterol and glucose in the blood.