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Nutritive and Dietetic Value Simplified Revision Notes

Revision notes with simplified explanations to understand Nutritive and Dietetic Value quickly and effectively.

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Nutritive and Dietetic Value

Nutritive Value of Fish (What's in it?)

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Nutritive Value: Focuses on the nutrients fish provides (e.g., protein, fats).

  • High-Quality Protein: Fish provides HBV (High Biological Value) protein, which is excellent for growth and body repair.
  • Low in Fat:
    • White fish have no fat.
    • Oily fish contains unsaturated fat and is rich in omega-3 fatty acids, which support brain health and help reduce cholesterol.
  • No Carbohydrates: Fish is carb-free, so it's often paired with carb-rich foods for balanced meals.
  • Rich in Iodine: All fish provide iodine, which is essential for thyroid function.
  • Additional Nutrients:
    • Calcium: Available in canned fish where the bones are eaten.
    • Vitamins: B group vitamins are in all fish, while vitamin A is in oily fish and shellfish, and vitamin D is mainly found in oily fish.
  • Water Content: Varies by type; oily fish has less water than white fish.

Dietetic Value of Fish (Why it's Good for You)

infoNote

Dietetic Value: Focuses on how fish fits into specific diets (e.g., pescetarian, high protein).

  • Easily Digested Protein: Fish protein is easy to digest, making it great for children, teenagers, pregnant women, older people, invalids, and those recovering from illness.
  • Low-Calorie Option: White fish is low in fat and calories, so it's ideal for low-calorie diets. However, avoid cooking methods that add fat, like frying in batter.
  • Balanced Meal: Fish is often paired with carbs, like potatoes or bread, to create a balanced meal.
  • Heart-Healthy Fats: Oily fish and shellfish are high in omega-3 and low in cholesterol, making them good for low-cholesterol diets.
  • Affordable Protein: Some fish, like mackerel, are inexpensive and ideal for people on a low income.
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