Food And Nutrition Flashcards
Factors affecting food choice
Religion Season Availability Cost Culture Lifestyle Nutritional value Likes and dislikes
What’s a nutrient
A chemical in food that nourishes the body
Composition
What the nutrient is made of
Source
Food that contains the nutrient
Function
What the nutrient does I n the body
Rda- recommended daily allowance
The amount of nutrient we should eat each day
Deficiency disease
Ill effects that are caused by the lack of the nutrient
6 types of nutrient
-protein
-vitamins
-fat
-minerals
-carbohydrates
-water
-
Macronutrients
Proteins fats and carbohydrates are needed in large amounts this is called micronutrients
Micronutrients
Vitamins and minerals are needed in smaller amounts
Composition of protein
Proteins are made up of amino acid’s
Amino acid is a small units that are attached together
Carbon oxygen hydrogen nitrogen
Classification
Proteins are classified into high biological value protein and low biological value protein
Foods that contain high biological value protein
Meat fish eggs and soya beans
Foods that contain low biological value protein
Peas beans lentils nuts
Functions of protein
It helps the body cells to grow
It helps the body to repair damage cells
It forms hormones and enzymes for the body to work properly
Protein is used for heat and energy when there is not enough protein foods in the body
RDA for protein
And adult needs 1 g of protein per 1 kg they weigh
Functions of food?
For growth
Provides the body with energy and warmth
Protects the body against disease
