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The most common type of fat is one in which three fatty acids are attached to the glycerol molecule, receiving the name of triglycerides or triacyl glycerols. Triglycerides are solid at room temperature as fats, while those who are known as liquid oils. Through a technological process called hydrogenation, the oils are processed to obtain fats or hydrogenated fats. Although currently have reduced the adverse effects of this process, the technological process still has the drawback fatty acid formation whose unsaturation (double bonds) are of trans configuration.

All fats are insoluble in water having a density significantly lower (floating in the water).

Chemically, fats are generally triesters of glycerol and fatty acids. Fats may be solid or liquid at room temperature, depending on their structure and composition. Although the words “oils”, “fat” and “lipids” are all used to refer to fats, the word “oil” is usually used to refer to lipids that are liquid at room temperature, while the word “fat” is used to refer to fats that are solids at room temperature. The word “fat” is used to refer to both liquid and solid. The word “oil” is used for any substance that does not mix with water and fat, such as oil and cooking oil, regardless of their chemical structure.

Fats form a category of lipid, distinguished from other lipids by their chemical structure and physical properties. This category of molecules is important for many forms of life, serving both structural and metabolic functions. These constitute a very important part of the diet of most heterotrophs (including humans).

Examples of edible fats are butter, margarine, butter and cream. Fats or lipids are degraded in the body by enzymes called lipases

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FATS
It is the nutrient that gives more energy. For each given about 9 kilocalories per gram, while carbohydrates provide only 4 calories. The toddlers need fat because they spend a lot of energy, fats also are part of the nervous system is forming, as well as hormones that protect tissues and organs.

Foods high in fat whose main function is to provide energy include oils, butter, margarine, peanuts, pecans, walnuts, sunflower seeds.

As little children need lots of fats, especially vegetable fats-always recommended that they add 1 teaspoon of vegetable oil (any oil) in his plate of food (lunch and dinner) through 2 years of age .

CARBOHYDRATE
While fats to be converted into other substances for energy, carbohydrates are used immediately and not stored. They are the main “fuel” the body and brain.

The amount of energy consumed by the body for growth is enormous. It is therefore very important that children consume enough of this food group.

There are 2 types of carbohydrates, simple (all that is sweet, like sugar, sweets, the molasses, honey, cakes) and complex (starches, pasta, bread, cereals such as rice, wheat, maize; tubers such as potatoes, sweet potatoes, cassava or goose).

It is normal that carbohydrates constitute the bulk of our diet.

Be careful not to abuse it simple carbohydrates generally provide no other nutrients. Processed fats such as cakes, chocolate milk, etc.. It is also harmful if consumed in excess.

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