Indicate with a tick (✓) whether each of the following statements is true or false - Leaving Cert Home Economics - Question 7 - 2016
Question 7
Indicate with a tick (✓) whether each of the following statements is true or false.
Quick freezing at -25°C forms small ice crystals within the food cells.
Bananas... show full transcript
Worked Solution & Example Answer:Indicate with a tick (✓) whether each of the following statements is true or false - Leaving Cert Home Economics - Question 7 - 2016
Step 1
Quick freezing at -25°C forms small ice crystals within the food cells.
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Answer
True. Quick freezing is important for preserving the quality of food. When food is frozen rapidly at low temperatures, it minimizes the formation of large ice crystals. Small ice crystals help to maintain the texture and integrity of the food cells.
Step 2
Bananas and lettuce are suitable foods for freezing.
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Answer
False. While bananas can be frozen, they often change in texture, becoming mushy upon thawing. Lettuce, however, does not freeze well due to its high water content, leading to a loss of crispness.
Step 3
Vegetables are blanched before freezing to destroy enzymes.
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Answer
True. Blanching vegetables before freezing is a crucial step. It deactivates enzymes that can cause loss of flavor, color, and texture, thus preserving the quality of the vegetables during storage.
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