Food tests Flashcards
(5 cards)
1
Q
Presence for starch + colour change
A
Iodine. Blue-black
2
Q
Presence for reducing sugar
A
Benedict solution. Blue to red.
3
Q
Example of reducing sugar
A
Glucose.
4
Q
Presence for protein
A
Biuret solution. From blue to purple.
5
Q
Presence of lipid
A
Brown paper with fat / permanent stain appears/ which will not dry out.
