NUTRIENTS&
FOODTeachers: Mrs Belcastro and Mrs Luzzi
Class 2^ E School year 2014.-2015
Secondary School “Norberto Bobbio”
REDDSO AND CLIL PROJECTS
Proteins have a plastic or constructive function. They provide materials for cells and tissue constructions and repare and replace them. They can be “burned” to produce energy: 1 g of Proteins = 4,1 kcal
Sugars or carbohydrates have an energetic function. They are main sources of energy for the body. Sugars in excess are accumulated in tissue. They can be “burned” to produce energy: 1 g of Sugars = 4,1 kcal
Fats or lipids have an energetic function and contain more than double of sugars energy but their digestion is very long and complex. Fats in excess are accumulated in tissue. They can be “burned” to produce energy: 1 g of Fat = 9 kcal
Vitamins do a regulatory function. There are different types of vitamins and everyone does a specific function.
Mineral salts have a plastic function, for tissue construction, and a regulatory function.
Water is a fundamental substance for life: almost all chemical reactions are doing in water. It is present in almost all food.
F O O D P Y R A M I D
• In the first level there is food which contain vitamins and they are necessary for growth and health. The main vitamins are Vitamin A, the B complex of vitamins, vitamin C and D.
• In the second level there is the typical Mediterranean food: bread, cereals, rice, pasta and potatoes.They contain carbohydrates, which are the body’s main source of fuel.
• In the third level there are condiments: oil and fats• In the fourth level there are milk and dairy products ( milk,
cheese, yoghurt).They are plastic and energetic.• In the fifth level there food contain proteins, which are used for
building cells ( meat, fish and eggs).• In the sixth there are cakes, sweets: they contain fats and sugar.
They aren’t too much healthy.
COMPLETE THE TABLE AND DISCOVER WHAT IS YOUR
DIET
PROTEINS SUGARS FATS VITAMINSMINERAL
SALTS
BREAKFAST
….................. …................... ….................. ….................. …..................
LUNCH ….................. ….................. ….................. ….................. …..................
DINNER ….................. ….................. ….................. ….................. …..................
Proteins Sugars
Fats Vitamins Mineral salts
Water
N u t r i e n t s