May Exam Flashcards
Conditions for bacterial growth
Food
Moisture
Warmth
Time
What temperature is bacteria destroyed at
64 - 100°c
What temperature does bacteria multiply rapidly ( danger zone)
5- 63°c
Bacteria multiply slowly in the fridge at….
1- 4°c
In the freezer
Bacteria are dormant in freezer
Dormant
Inactive but the bacteria are still alive
What does dietary fibre prevent
Constipation
A prolonged deficiency of fibre can result in much more serious diseases such as
Bowel cancer and diverticular disease
Four good sources of fibre
Whole grain pasta
Whole grain cereal
Potatoes with skin
Nuts and seeds
What does carbohydrates supply the body with
Energy
There are two types of carbohydrates sugar and starch examples of starchy carbohydrates
Pasta
Bread
Rice
Potatoes
Couscous
Examples of sugary carbohydrates
Sweets
Fizzy drinks
Honey
Biscuits
Cakes and buns
If too much starch or sugar is eaten the excess can be stored as fat and may lead to…
Obesity
Excess sugar can lead to ….
Tooth decay and obesity
What is iron needed for
Haemoglobin - gives healthy red blood cells its colour - these cells carry oxygen around the body to help release energy
What does iron help prevent
Anemia which makes you feel tired and look pale
What are the two different types of iron
Haem iron and non Haem iron
Where is Haem iron usually found
Animal foods - eggs are an exception - Haem iron is easy to absorb
Where is non Haem iron found
Non haem iron is found in some plant foods- cannot be absorbed by our body unless eaten with a food containing vitamin c
Examples of Haem iron
Red meat
Liver
Kidneys
Examples of non Haem iron
Spinach
Nuts seeds
Kidney beans
What does vitamin c help absorb
Iron
What does vitamin c do
Boosts immune system and helps us avoid minor infections such as colds and flues
What is vitamin c
It is an antioxidant which help protect the body against serious diseases such as coronary heart disease and cancer
Sources of vitamin c
Strawberries
Kiwi
Cabbage
Peppers
Blackcurrant
How many portions of fruit should we eat today
5
Ways to include fruit and veg in our diet
soup, roasts, stew, stir fry,boiled ,mashed
What does calcium form
Strong bones and teeth
Dairy products are not just the only source of calcium examples..
Pulses
Soya milk
The function of vitamin d
To allow the body to absorb and use calcium
Good sources of vitamin D
Cheese,eggs,oily fish
Storing food
Freezer- left over lasagna
Frozen peas and ice cream
Fridge - open jar of jam, raw chicken , sandwiches cheese fresh cream cake ,lettuce
Cool dry cupboard - flour, cereal , biscuits
Date marks
Use - by date - food must be eaten by the date
Best before date - food will be at their best quality up to this date
Where is campylobacter found
Raw meat and raw poultry
How is campylobacter caused
Caused by eating raw or undercooked poultry or meat or something that touched it
3 common symptoms of campylobacter
Diarrhoea, fever and stomach cramps
Which people are at a higher risk if they get food poisoning
Babies
Pregnant women
People who have just recovered from an illness
