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State three classifications of fish and give two examples of each class - Junior Cycle Home Economics - Question 2 - 2008
Question 2
State three classifications of fish and give two examples of each class. (i) White fish = cod, whiting, plaice, sole, haddock (ii) Oily fish = salmon, trout, sardi... show full transcript
Worked Solution & Example Answer:State three classifications of fish and give two examples of each class - Junior Cycle Home Economics - Question 2 - 2008
Step 1
Step 2
Give the nutritional composition of fish and outline its value in the diet.
Answer
Nutritional Composition
The nutritional composition of fish includes:
- Protein: 17-20%, serves as a substitute for meat.
- Fat: Oil content is about 13%; white fish has none.
- Carbohydrate: None present.
- Vitamins: Contains Vitamins A and D.
- Minerals: Iodine and calcium (in shellfish).
- Water: Comprises 65-80% of fish composition.
Value in the Diet
Fish is a valuable addition to the diet as it provides protein, which is essential for growth and repair. It contains unsaturated fats that are heart-healthy and is easily digestible. Including fish in meals adds variety, and it is particularly ideal for those looking to maintain a healthy weight.
Step 3
What guidelines should be followed when (i) buying and (ii) storing fresh fish?
Answer
(i) Buying:
- Ensure reliable source.
- Skin should be moist; no unpleasant smells; eyes should be bright and gills red.
(ii) Storing:
- Keep in the fridge and place in crushed ice.
- Cover and wash before use.
- Ideally, use within 24 hours to maintain freshness.
Step 5