Unit 3 - Nutrients in Food: Food groups Flashcards
HOW are foods grouped?
According to:
- Their FUNCTIONS in the body
- The main NUTRIENTS they supply
NAME the 4 food/nutrient groups and the FUNCTION of each.
- Carbohydrates
Function: Gives you energy. - Proteins
Function: Needed for growth and repair of the body. - Fats and Oils
Function: Gives you energy. Keeps you warm and protects your nerves and organs (insulation). - Vitamins and Minerals
Function:
Vitamins keep your immune system healthy.
Minerals build strong bones and teeth.
Carbohydrate foods contain ……. or ………
sugar or starch
Give 3 examples of SUGARY carbohydrate foods.
Sugar, Honey, Dried fruit, Cakes, Sweets, Fizzy drinks, Jam, Biscuits.
Give 5 examples of STARCHY carbohydrate foods.
Rice, Bread, Mielie meal, Potatoes, Pasta, Cereals
[R-B-M-P-P-C]
Give 5 examples of PROTEINS.
Meat, Fish, Cheese, Eggs, Beans
[M-F-C-E-B]
Give 4 examples of FATS & OILS.
Butter, Margarine, Sunflower oil, Avocados, Nuts
[B-M-S-A-N]
Give 2 examples of foods rich in VITAMINS.
FRUIT (apple, pear)
VEGETABLES (broccoli, carrots)
Give 2 examples of foods rich in MINERALS.
Milk, Yoghurt
Give 3 examples of MINERALS.
Calcium, Iron, Iodine.
WHY does your body store fat?
To keep an energy supply in reserve.
HOW does fat protect your body?
Layers of fat around your kidneys, bladder and liver cushion & protect them.
WHAT is fat?
A SOLID, energy-rich nutrient that does not mix with water.
WHAT is an oil?
A LIQUID, energy-rich nutrient that does not mix with water.
WHAT is a carbohydrate?
An energy-rich nutrient like sugar or starch.
WHAT is a protein?
A nutrient for growth and repair.
WHAT is a vitamin?
A nutrient, like Vitamin C, for a healthy immune system.
WHAT is a mineral?
A nutrient, like calcium, for strong bones and teeth.
WHAT is insulation?
To protect something from loss of heat or damage.
What is a food additive?
A substance added to food to preserve its flavour or improve its taste and appearance, such as sugar, salt, preservatives, flavourants and colourants.
WHAT food additives are in polony?
FLAVOURANTS - Improve taste
MSG, salt & sugar
PRESERVATIVES - Last longer
Sodium nitrite & sodium nitrate
COLOURANTS - Improve appearance
What does SODIUM NITRATE do?
It’s a preservative used for processed meat to make it last longer and keeps the meat looking pink (stops it from turning grey). Eg. hotdog sausages, bacon and ham.
What is a flavourant?
A FOOD ADDITIVE used to improve a food product’s TASTE or SMELL.
What is a preservative?
A FOOD ADDITIVE used to make a food product LAST LONGER.