Food groups and food group tests
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9 Terms
1
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What do you use to test for proteins?
Biuret solution
2
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What colour does biuret solution turn when proteins are present?
Pink/Lilac/Purple
3
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What are proteins made of?
Amino acids
4
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What test do you use to test for lipids?
Ethanol (and Sudan III)
5
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What will happen in an ethanol test if lipids are present?
Separation - top layer will be a milky white emulsion.
6
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What do lipid molecules contain?
A glycerol molecule
7
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What are the two essential fatty acids?
Saturated and unsaturated fats
8
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What are saturated fats?
Solid at room temperature
9
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What are unsaturated fats?
Liquid at room temperature
Note 
Flashcards (86)