Polysaccharides

Question 1

What is a polysaccharide?

Answer 1

A polysaccharide is a complex carbohydrate formed from a number of simple sugars

Question 2

List some types of polysaccharides

Answer 2

• starch
• glycogen
• pectin
• fibre/cellulose
• dextrin

Question 3

What is starch and where is it found?

Answer 3

Starch is the major form of stored carbohydrates in plants.
It is found in fruit, vegetables and cereals

Question 4

What is glycogen and where is it found?

Answer 4

Glycogen is the stored form of glucose in animals and human beings.
It is found in the liver and muscles.

Question 5

Where is glycogen stored and transported?

Answer 5

Glycogen is stored in the liver and muscles and sent to the blood stream to give instant energy

Question 6

What is pectin and where is it found?

Answer 6

Pectin is a gelling substance found in ripe fruit (pips and seeds)

Question 7

What is cellulose and what are the different types?

Answer 7

Cellulose is fibre. The different types are:
- cellulose
- hemicellulose
- lignin

Question 8

What is bran and where is it found?

Answer 8

Bran is cellulose, a type of fibre, and is found in whole-wheat flour, whole grains (unrefined), pulses and fruit and vegetables

Question 9

What is hemicellulose and where is it found?

Answer 9

Hemicellulose is a type of fibre found in bran and whole grains

Question 10

What is lignin and where is it found?

Answer 10

Lignin is a kind of fibre found in mature veg, wheat and fruits with edible seeds

Question 11

What is dextrin and where is it found?

Answer 11

Dextrin is the result of dry heat applied to starch which browns the starch. It is found in toast and brown flour.