Winter exam 28/11/23 Flashcards
Explain the term binary fission?
Binary fission is one bacteria doubling every 10 minuets from the temperture of 5°c to 63°c.
Who are more vunrable when in comes to pathogenic bacteria?
babies and young children - Immune systems have not fully developed.
Older citizens - Immune system is weak.
Pregnant women - carrying a baby which mean that it could get ill.
Where does bacteria come from?
Raw foods
work surfaces and equipment
food handlers
pests
soil
water
waste food and rubbish
symtoms of food poisining
diareah
stomach ache
vomiting
nausea
What is the differance between the USE BY date and the BEST BEFORE date?
Use by date - is not safe to east after the specific date.
Best before date - will probably be ok to eat after the specific dtae, but the quality may be affected.
The danger zone is when tempertures reach ___°c to ___°c
When tempertures reach up to 5°c to 63° bacteria starts to double this is known as the danger zone.
Boiling point is ___°c.
Boiling point is 100°c. (Denatured)
Average human body temperture is __°c
Average human body temperture is 37°c (Danger Zone)
Average freezer temperture is __°c
An average freezer temperture is -18°c.
Average room temperture is __°c
An average room temperture is 20°c.
Name some key low risk foods.
Dried foods
Tinned foods
Breakfast cereals
vegteble oils
Name some key high rish foods.
Eggs
Milk
Meat
Ham
Cooked rice
Average fridge temperture is __°c.
1°c to below 5°c.
What happens to bacteria exposed to tmpertures above 63°c?
De-natured (dead)
Name the 4 C’s in food hygiene
Cleaning
Cooking
Chilling
Cross contamination
