additives

Question 1

define food additive

Answer 1

a substance added to a food product to improve its quality.

Question 2

what are the four main roles of additives?

Answer 2

• improve sensory qualities
• improve structure
• add nutritional value
• increase the time food is safe to eat

Question 3

function of preservatives

Answer 3

stop the growth of bacteria in order to keep food fit/last longer

Question 4

function of colourings

Answer 4

added to make foods attractive and appealing

Question 5

functions of flavourings

Answer 5

used to restore the original food flavours when these have been changed during processing

Question 6

function of emulsifiers/stabilisers

Answer 6

ensure ingredients do not separate into their component parts

Question 7

function of anti-oxidants

Answer 7

• to stop fats going rancid in foods

- to stop fruit/veg going brown

Question 8

function of nutritional enchanters

Answer 8

enhance nutrition level of a food

Question 9

function of thickeners and gelling agents

Answer 9

to achieve a range of textures in processed foods

Question 10

give a food example where preservatives have been used

Answer 10

bacon

Question 11

give a food example where colourings have been used

Answer 11

strawberry milk

Question 12

give a food example where flavourings have been used

Answer 12

Chinese meals

Question 13

give a food example where emulsifiers have been used

Answer 13

mayonnaise

Question 14

give a food example where anti- oxidants have been used

Answer 14

fruits

Question 15

give a food example where nutritional enhancers have been used

Answer 15

vegetables

Question 16

give a food example where thickeners/gelling agents have been used

Answer 16

sauces

Question 17

what are the issues in the media surrounding E numbers ?

Answer 17

• rise in the amount of food additives used by manufactures

- consumer are starting to demand organic/natural foods from manufactures