The food is grouped according to their function in the body.
Group 1 -Energy supplying foods
Bread and cereals are source of energy,they supply carbohydrates,iron and B viatmins (by whole cereal grain) and also provide cellulose.
Group 2-Body-building foods
This type of foods have a role in build tissues and bones.
-Milk :milk and some milk products,specially cheese and yogurt provide protein,calcium,phosphorus and ribofavin.
-Meat : includes both animal and plant foods that provide protein,phosphorus and B viatmins.
Basic sources:
-meat of animals,poutry,fish,organs and eggs
-vegetable protein: dried beans.
Group 3-Vitality foods
Are those foods that provide vitamins and minerals needed for pysiologic processes of the body.
Atention the "additional" foods!
-animal fats,trans oils,sugar,rafinated flour,aditives.
It's named additional foods those used to improve taste,this provide more calories and health problems if are consumed in exccess.
For a healthy life select the foods for their benefits,plan a adequate diet,do physical exercises and drink minimum 2 l of water a day