Glucose
Clinistix paoer
+ purple
- pink
Reducing sugar
Benedict’s test
+ brick-red /orange
- blue
Starch
Iodine test
+ Dark blue
- Brown
Fat
Spot test
+ translucent spot
- no translucent spot
Proteins
Albustix paper
+ Green
- yellow
vitamin C
DCPIP test
+ Colourless
- dark blue