Food Flashcards
(15 cards)
List the food pyramid in order of bottom to top
Cereals, bread and potatoes Fruit and vegetables Dairy foods Meat and fish Fatty foods
What happens if you do not have a balanced diet?
You become malnourished and unhealthy
What factors influence the amount of food you need?
Age, gender, activity, health
What are the functions and sources of fibre, sugar and starch (carbohydrates)
Sugar-fast supply of energy-fruits, honey, soft drinks, sweets
Starch-long lasting supply of energy-bread, potatoes, rice, pasta
Fibre-helps to move food through the digestive system-cereals, brown bread, fruit and vegtables
What are the functions of fats?
Insulates the body and stores energy, sources are butter, cream, milk, oils and margarine
What are the functions and sources of protein?
Makes muscle, hair, hormones and enzymes. The sources of protein are meat, fish, eggs, milk, cheese, nuts and beans
What are the functions and sources of vitamins C and D
Vitamin C: Keeps skin and gums healthy, fruit, green vegtables and potatoes
Vitamin D: Forms strong bones, milk, butter, cheese, eggs, fish liver oils
What are the functions and sources of iron and calcium
Iron: forms part of red blood cells, green vegtables, red meat, egg yolk
Calcium: forms strong bones, milk, cheese, yogurt
What are the functions and sources of water
Allows cells to function, drink, vegtables
What units are used for energy values in foods?
Kilojoules per gram- kJ/g
What is used to test for starch?
Iodine solution
What is used to test for reducing sugars?
Benedict solution
What is used to test for fat?
Brown paper
What is used to test for protein?
Bieret solution (sodium hydroxide and copper sulphate)
What are the six constituents of a balanced diet?
Carbohydrates, fat, sugar, vitamins, minerals, water
