food tech end of year test, food hygiene

Created by: olivedip24
Created on: 01-06-17 11:52

what is cross contamination and how can we prevent it?

cross contamination is germs being transferred between food e.g raw and cooked foods. we can prevent it by using seperate chopping boards and washing hands and utensils after touching raw meat.

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what are the conditions bacteria need to multiply?

1. food, they need nutrients lie all living things, they like foods with lots of protien and moisture. 2. moisture, they cant survive or multiply without it, they also cant live in foods like jam and bacon because all the salt and sugar dries up the

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what are the conditions bacteria need to multiply? part 2

moisture. 3.warmth, bacteria multiply at temperatures between 5c and 63c, the ideal temperature is 37c ( the temp of the average human body). even when food is frozen the bacteria dont all die some survive and continue multiplying when above 5c.

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what are the conditions bacteria need to multiply? part 3

4. time, most types of food poisoning bacteria take 10-20 mins to multiply.

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what are safe temperatures to cook and chill foods at?

food should be cooked so the core reaches 75c, the core is the centre or the thickest part of the food. and food should be chilled to 4c if its above it has a higher risk of causing foodbourne illnesses

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