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‘Fish is full of many of the nutrients your body needs to grow - Leaving Cert Home Economics - Question 2 - 2006
Question 2
‘Fish is full of many of the nutrients your body needs to grow. Eating fish twice a week, including some oil-rich fish, is one way to make sure you are getting every... show full transcript
Worked Solution & Example Answer:‘Fish is full of many of the nutrients your body needs to grow - Leaving Cert Home Economics - Question 2 - 2006
Step 1
Describe (i) the nutritive value of fish.
Answer
The nutritive value of fish is significant for several reasons:
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High Biological Value (H.B.V.) Protein: Fish is an excellent source of high biological value protein, which is crucial for growth and repair of tissues in the body.
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Healthy Fats: The lipids in fish contain polyunsaturated fatty acids, particularly omega-3 fatty acids, which are essential for heart health and brain function.
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Vitamins and Minerals: Fish provides essential vitamins like A and D and is a good source of various B group vitamins. Additionally, fish is rich in minerals such as iodine, zinc, fluoride, and phosphorus.
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Low in Carbohydrates: Fish has no carbohydrates, making it a suitable choice for low-carb diets.
Step 2
Describe (ii) the dietetic value of fish.
Answer
The dietetic value of fish is highlighted by the following points:
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Meat Substitute: H.B.V. protein in fish can be an effective substitute for meat, making it beneficial for various dietary preferences and restrictions.
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Heart Health: Fish is ideal for individuals at risk of heart disease because it contains polyunsaturated fats, which can help lower cholesterol levels.
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Digestibility: Fish is easy to digest, making it suitable for children, the elderly, and convalescents.
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Versatile in Diet: Fish can be incorporated into a balanced diet easily and should be eaten alongside carbohydrate-rich foods.
Step 3
Name three different types of processed fish products and state why these products are popular.
Answer
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Frozen Fish Products (cakes, fingers, fillets):
- Reason: They are ready to cook, minimize waste, and have a good shelf life.
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Canned Fish (tuna, sardines, salmon):
- Reason: They are convenient, versatile, and add nutritional value to various meals.
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Smoked Fish (salmon, mackerel):
- Reason: They are flavorful, easy to prepare, and often served in starters and as a main course.
Step 4
Outline the general rules to be followed when freezing fish food.
Answer
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Pre-freezing Preparation: Turn on the fast-freeze button 3 hours in advance of freezing food to ensure optimal freezing conditions.
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Proper Packaging: Use appropriate packaging materials to remove as much air as possible and prevent freezer burn.
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Temperature Control: Ensure the freezer is maintained at a temperature below -18°C (0°F) to preserve quality.
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Labeling: Clearly label each package with the contents and freezing date to track freshness and usage.