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Home Economics: 08.3 - Food Additives > Colourings > Flashcards

Colourings Flashcards

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Gourmet Food flashcards
1
Q

What are the functions of colourings?

3

A

Improve the colour of foods
Replace colour lost during processing
Add colour to colourless food

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2
Q

Give an example of where colourings are used to improve the colour of foods

A

Soft drinks

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3
Q

Give an example of where colourings are used to replace colour lost during processing

A

When peas are canned they change from bright green to olive green

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4
Q

Give an example of where colourings are used to ass colour to colourless foods

A

Ice pops

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5
Q

What are the two categories of colourings?

A

Natural

Artificial

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6
Q

Give four examples of natural colourings

A

Chlorophyll
Carotene
Caramel
Cochineal

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7
Q

What colour is chlorophyll?

A

Green

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8
Q

What colour is carotene?

A

Yellow/orange

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9
Q

What colour is caramel?

A

Brown

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10
Q

What colour is cochineal?

A

Red/crimson

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11
Q

What is the origin of chlorophyll?

A

It is the green pigment found in plants

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12
Q

What is the origin of carotene?

A

Carrots

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13
Q

What is the origin of caramel?

A

Heated carbohydrates

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14
Q

What is the origin of cochineal?

A

Dried and ground cochineal beetles

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15
Q

Give a use of chlorophyll as a colouring

A

Green-coloured fruit gum sweets

Lime-flavoured jelly

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16
Q

Give a use of carotene as a colouring

A

Orange-coloured soft drinks

Orange-coloured fruit gum sweets

17
Q

Give a use of caramel as a colouring

A

Gravy powder/granules

Cola-flavoured soft drinks

18
Q

Give a use of cochineal as a colouring

A

Processed meat such as sausages

Pink-coloured fruit gum sweets

19
Q

Give four examples of artificial colourings

A

Tartrazine
Sunset yellow
Ponceau 4R
Green S

20
Q

What colour is tartrazine?

A

Yellow

21
Q

What colour is ponceau 4R?

A

Red

22
Q

What is the origin of all artificial colourings?

A

Coal tar

23
Q

What is coal tar?

A

A black, thick, opaque liquid obtained from the distillation of coal

24
Q

Give a use of tartrazine as a colouring

A

Orange-coloured fruit drinks

25
Q

Give a use of sunset yellow as a colouring

A

Yellow/orange coloured soft drinks

26
Q

Give a use of ponceau 4R as a colouring

A

Red-coloured soft drinks

27
Q

Give a use of green S as a colouring

A

Canned peas

Home Economics: 08.3 - Food Additives (12 decks)

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