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Home Economics: 08.3 - Food Additives > Physical Conditioning Agents > Flashcards

Physical Conditioning Agents Flashcards

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1
Q

List the five types of physical conditioning agents

A 
Humectants 
Emulsifiers 
Anti-caking agents (polyphosphates) 
Setting agents
Stabilisers
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2
Q

What is the mnemonic to help you remember the different types of physical agents?

A 
HEAPS 
H = Humectants 
E = Emulsifiers 
A = Anti-caking agents (polyphosphates) 
P = Pectin - Setting agents 
S = Stabilisers
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3
Q

What is the function of humectants?

A

They prevent food from losing moisture, drying out and hardening

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4
Q

Give an example of a humectant

A

Sorbitol and mannitol

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5
Q

What is the origin of sorbitol and mannitol?

A

Lichens

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6
Q

Give a use of sorbitol and mannitol as a humectant

A

Marzipan

Cakes

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7
Q

What is the function of emulsifiers?

A

They combine two immiscible liquids and prevent them from separating

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8
Q

Give two examples of emulsifiers

A

Lecithin

Alginates

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9
Q

What is the origin of lecithin?

A

Egg yolks

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10
Q

What is the origin of alginates?

A

Seaweed

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11
Q

Give a use of lecithin or alginates as emulsifiers

A

Mayonnaise

Dairy spreads

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12
Q

What are anti-caking agents also called?

A

Polyphosphates

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13
Q

What is the function of polyphosphates?

A

They prevent lumping (anti-caking) in a dried food

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14
Q

Give an example of a anti-caking agent

A

Magnesium carbonate

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15
Q

What is the origin of magnesium carbonate?

A

Laboratory-produced chemical

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16
Q

Give a use of magnesium carbonate as an anti-caking agents

A

Cake mixes

Chocolate milk powder

17
Q

What is the function of setting agents?

A

Act as a setting agent for foods such as jams and jellies

18
Q

Give an example of a setting agent

A

Pectin

19
Q

What is the origin of pectin?

A

Ripe fruit

20
Q

Give a use of pectin as a setting agent

A

Jams

Marmalade

21
Q

What is the function of stabilisers?

A

They prevent emulsions from separating by making the emulsion more stable and maintaining the consistency of the food

22
Q

Give an example of a stabiliser

A

Carrageenan

Guar gum

23
Q

What is the origin of Carrageenan?

A

Seaweed moss

24
Q

What is the origin of Guar gum?

A

Guar plants

25
Q

Give a use of carrageenan or guar gum

A

Ice cream

Yoghurts

Home Economics: 08.3 - Food Additives (12 decks)

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