Define Procedure for Testing the Presence of Sugar in Milk?
1. Take 0.1 ml of milk sample in a test tube.
2. Add 0.2 ml of resorcinol solution (0.05 gm of resorcinol in 100 ml of dilute HCl 1part HCl:2 parts of distilled water).
3. Boil for 30 seconds and observe for colour change.
4. Appearance of off-white colour indicates positive test.