6. (a) State two uses of micro-organisms in food production - Leaving Cert Home Economics - Question 6 - 2005
Question 6
6. (a) State two uses of micro-organisms in food production.
(i)
(ii)
(b) Suggest one method of controlling enzymic spoilage in foods.
Worked Solution & Example Answer:6. (a) State two uses of micro-organisms in food production - Leaving Cert Home Economics - Question 6 - 2005
Step 1
State two uses of micro-organisms in food production (i)
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Answer
Micro-organisms play a significant role in food production. One key use is the addition of starter cultures in cheese-making, which helps in the fermentation process and development of flavors.
Step 2
State two uses of micro-organisms in food production (ii)
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Answer
Another important use is the fermentation of yoghurt, where beneficial bacteria convert lactose into lactic acid, improving taste and preserving the product.
Step 3
Suggest one method of controlling enzymic spoilage in foods.
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Answer
One method to control enzymic spoilage in foods is through the application of heat, such as blanching, which inactivates enzymes and extends shelf life.
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