I principi nutritivi | eatparade

The nutrients are essential substances that body needs for maintaining life, its growth and renewal of its facilities. They must be assumed by all the quantities required by individual bodies vary from person to person, because they depend on sex, age, by activity, etc.

Some nutrients can be produced by the body, while others can only be taken with food.

The traditional classification divides into six groups: proteins, lipids, carbohydrates, vitamins, minerals, water.

Proteins are macromolecules that constitute the main nutrient for the training of the muscles of our body. They serve to transport fatty substances in the blood to increase our body’s defenses. If the protein intake is low, the amount is insufficient, it is exposed to a serious risk of malnutrition;

Lipids (from Greek lipos, FAT), include numerous fatty substances with different characteristics and properties, introduced in the body with food become energetic material deposits;

Carbohydrates are important sources of energy for all activities of the organization,, originate from food and can be found in the body in the form of glucose. The brain is particularly in need of energy from carbohydrates, in particular is in need of glucose;

Vitamins are essential substances of very different type, but with mostly protective functions; Although in small amounts, are almost present in almost all the different foods. Divide into water-soluble (vitamins B, including folic acid, vitamin H, PP and vitamin C) and fat-soluble vitamins ( vitamins A-D-E-K-F);

Minerals are essential for maintaining mineral balance. In addition to iron (contained in various plants) and calcium (particularly content in milk and its derivatives), have great importance especially phosphorus, magnesium, potassium, sodium, sulphur, iodine and c them;

Water is the main component (an average of 65%) of the tissues of the human body.