Emulsifiers are molecules with one parrt attracted to..
water and another part attarcted to oil or fat.
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The bit thats attracted to water is called ...
hydrophilic
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The bit thats atrtracted to oil or fat is callled...
hydrophobic
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Hydrophilic is circle part of the emulsifier molecule. It ...
likes water and hates oil
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Hydrophobic is the zigzag part of the emulsifier molecule. It...
Likes oil and hates water.
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When you shake oil and water together with a bit of an emulsifier what happens?
The oil forms droplets , urrounded by a coating of emulsifier.. with they hydrophilic part facing outwards.
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What are other oil droplets reppeled by...
hydrophilic bit of the emulsifier, while water molecules latch on.
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This is so the emulsion...
wont seperate out
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Positives of emulsifiers...
stop emulsions from seperating out and this gives them long shelf life. Emulsifiers alow food companies to produce food thats lower in fat but that still has a good texture.
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Negatives of emulsifiers...
Some people are allergic to certain emulsifiers. For example, egg yolk.
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Other cards in this set
Card 2
Front
Oils can be used to produce...
Back
emulsions
Card 3
Front
What are emulsions made up of?
Back
Card 4
Front
Are emulsions thicker than oil and water?
Back
Card 5
Front
The physical properties of emulsions make them suited to lots of uses. For example:
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