Biology-Food test Flashcards
To get tested on food? (5 cards)
1
Q
Define
Food test
A
Different tests which can be used to detect carbohydrates, proteins and lipids.
They involve adding a colour sensitve reagent to a food sample
This then changes colour depending on what biological molecules are present.
2
Q
Food test reagent for
Starch
A
Iodine solution
Orange if false,Blue if true
3
Q
Food test
Lipids
A
Ethanol solution
Clear if false, cluody precipitate if true
4
Q
Food test
Protein
A
Biuret solution
Blue if false,purple if true
5
Q
Food test
(Sugar) Glucose
A
Benedict’s solution
Blue for false,yellow for slightly,and red for true
