Dietetic Value Of Fish

Question 1

List the factors that contribute to the dietetic value of fish.
(7)

Answer 1

HBV protein

White fish = no fat

Oily fish = polyunsaturated fat = omega-3 fatty acids

Variety of types and forms

Versatile food

Inexpensive

Lacks carbohydrates

Question 2

Fish contains HBV protein, how does this affect the dietetic value of fish?
(3)

Answer 2

Fish is an important source of easily digestible HBV protein

HBV protein assists with growth and repair

This makes fish a valuable food in the diets of children ,teenagers and pregnant women

Question 3

What type of protein is present in fish?

Answer 3

Easily digestible HBV protein

Question 4

What is the role of HBV protein?

Answer 4

It assists with growth and repair

Question 5

Fish contains HBV protein. who in particular should eat fish for this property?
(3)

Answer 5

Children

Teenagers

Pregnant women

Question 6

White fish contains no fat how does this affect the dietetic value of fish?
(2)

Answer 6

As white fish contains no fat it is low in kilocalories

This makes it an ideal food for individuals following calorie-controlled diets

Question 7

How does white fish containing no fat affect the calorific value of fish?

Answer 7

This makes white fish low in kilocalories

Question 8

White fish contains no fat, for this reason who should eat white fish?

Answer 8

Those on calorie-controlled diets

Question 9

Oily fish contains polyunsaturated fat, how does this affect the dietetic value of fish?
(2)

Answer 9

Oily fish contains polyunsaturated fat, especially omega-3 fatty acids

This makes oily fish beneficial to those on low-cholesterol diets as they help increase high-density lipoproteins (HDL) that help lower cholesterol levels

Question 10

What polyunsaturated fat in particular is present in oily fish?

Answer 10

Omega-3 fatty acids

Question 11

Why should people on low cholesterol diets include oily fish in their diets?
(2)

Answer 11

As oily fish contain omega-3 fatty acids

These increase high-density lipoproteins (HDL) which help lower cholesterol levels

Question 12

What do omega-3 fatty acids increase?

Answer 12

They increase HDL

Question 13

What are HDL?

Answer 13

High density lipoproteins

Question 14

Fish is available in a variety of types and forms, how does this affect the dietetic value of fish?
(2)

Answer 14

Fish is available un a variety of types and forms, e.g. fresh and processed

This allows fish to suit different tastes and add variety to the diet

Question 15

Give two different forms of fish available.

Answer 15

Fresh

Processed

Question 16

Fish is a versatile food how does this affect the dietetic value of fish?

Answer 16

Fish is a versatile food suited to many different cooking methods and flavour combinations, e.g. chilli and lime

Question 17

Fish is a versatile food which makes it suited to what?

Answer 17

Many different cooking methods

Many different flavour combinations

Question 18

Give some examples of flavour combinations which fish is suited to?
(2)

Answer 18

Chili

Lime

Question 19

Fish is inexpensive how does this affect the dietetic value of fish?
(3)

Answer 19

Some fish is inexpensive, e.g. mackerel, making it an economical food

Processed fish products, e.g. fish fingers, are often cheaper than fresh fish

Fish cooks very quickly, minimising energy costs

Question 20

Give an example of an inexpensive fish.

Answer 20

Mackerel

Question 21

Mackerel is inexpensive what does this mean?

Answer 21

This makes mackerel (fish) an economical food

Question 22

Comment on the price of processed fish products.

Answer 22

Processed fish products, e.g. fish fingers, are often cheaper than fresh fish

Question 23

Give an example of a cheap fish product.

Answer 23

Fish fingers

Question 24

Comment on the cooking time of fish and how it affects costs?

Answer 24

Fish cooks very quickly, minimising energy costs

Question 25

Fish lacks carbohydrates how does this affect the dietetic value of fish?

Answer 25

Fish lacks carbohydrates, so it should be combined with foods rich in these to balance the diet

Question 26

Why should fish be served with foods rich in carbs?

Answer 26

Because fish lacks carbs so they should be served with high carb foods to balance the diet