Diet And Nutrition Flashcards
1
Q
We need food for 3 main reasons. What are they?
A
- to supply us with ‘fuel’ for energy
- to provide minerals for growth and repair of tissues
- to fight diseases and keep us healthy =)
2
Q
A balanced diet must consist of (list 7)
A
- carbohydrates
- lipids
- proteins
- minerals
- vitamins
- dietary fibre
- water
3
Q
What is an example of a carbohydrate?
A
- bread
- pasta
- rice
- potatoes
- cous-cous
4
Q
What is an example of a protein?
A
- meat
- lentils
- pulses
- eggs
- nuts
5
Q
What is an example of a fat?
A
- (meat) fat
- butter
- cheese
- avocados
- oily fish
6
Q
What is an example of dairy?
A
- cheese
- butter
- milk
- yoghurt
- cream
7
Q
What is an example of something containing fibre?
A
- oranges
- cucumber
- tomatoes
- papaya
- watermelon
(basically fruits and vegetables)
8
Q
What is an example of something containing water?
A
I’m joking. But if you must know…
- water
- the sea
- you
- watermelon
- cucumbers
9
Q
What are some examples of vitamins?
A
- Vitamin C
- Vitamin D
- Vitamin B12
- Vitamin A
- Vitamin K
10
Q
What are some examples of minerals?
A
- salt
- potassium
- calcium
- phosphorus
- magnesium
11
Q
How do you test for fats?
A
- Dissolve food into water
- Dribble into ethanol
Colour change = clear to cloudy white
12
Q
How do you test for proteins?
A
- Dilute Biuret’s solution with water
- Put the protein in
Colour change = blue to mauve/purple
13
Q
How do you test for sugars?
A
- Add Benedict’s solution (copper sulphate) to the glucose
- Heat
Colour change = blue to red/orange
14
Q
How do you test for starch?
A
- Add iodine solution to starch
Colour change = orange/brown to blue-black
15
Q
What is the purpose of a carbohydrate?
A
- body’s primary fuel
- cells release this by oxidising glucose
