Food tests Flashcards
1
Q
What solutionis used to detect sugar
A
The benidits solution
2
Q
What colour does the Benedict’s solution turn if sugar is present?
A
Blue - no sugar
Green - some sugar
Orange - quite a bit
Red - lots of sugar present
3
Q
What solution is used to detect starch?
A
Iodine
4
Q
What colour does iodine change to?
A
Goes from orange to a blue - black
5
Q
What solution is used to detect protein?
A
Biuret
6
Q
What colour does the Biuret solution turn
A
From blue to a purple
7
Q
What solution tests for lipids
A
Ethanol
8
Q
What colour does the ethanol solution turn
A
From a clear solution to a cloudy
