Food Safety Flashcards
Name 5 conditions microorganisms grow and multiply in
- Warm temperature
- Plenty of moisture
- Plenty of food
- Right PH
- Enough time
Name 3 ways you can slow the growth of microorganisms
- Using a fridge to change the temperature
- Pickle the food in vinegar to change the PH
- add salt- to absorb the water
Name 5 high-risk foods
- cooked meat, fish, poultry
- dairy products
- gravies, stocks and sauces
- shellfish
- cooked rice
What are enzymes
-biological catalysts which speed up chemical reactions
What do enzymes cause in fruit
- Ripening of fruit
- Browning of fruit: when fruit is sliced open oxygen in the air turns the fruit brown and enzymes speed up this process
How can you slow or stop an enzyme from working
- Adding acid: prevents enzymic browning
- Blanching: prevents ripening
What are both moulds and yeast
Microorganisms
What 2 microorganisms spoil food
yeast
mould
What temperature should food be cooked at when cooking/ reheating it
75 degrees
Which temperature do bacteria grow and multiply quickly at and what is this known as
5-63 degrees
-danger zone
What temperature slows down the growth of bacteria
0-5 degrees
-extends shelf life of food
What temperature do bacteria become dormant at
-18 degrees
Which products is the use by date shown on
products with a short shelf life (high risk foods)
-given as a safety warning
Which products is the best before date shown on
products with a longer shelf life (tinned foods)
-given as a warning about quality
Name the symptoms of food poisoning
-sickness
diarhoea
stomach cramps
fever