Aim: to investigate the amount of protein. and simple and complex sugars in a cheeseburger
Equipment: meat patties bun protein and complex Sugars and simple sugar
Method:
1. Place about 2ml of the sample into a test tube and add 5 drops of sodium hydroxide.
2. Add 5 drops of copper sulphate.
3. Shake the test tube gently from side to side
Biuret
Test
For
protein
|
Bendis
Test for simple sugar
|
Iodine test for complex sugar
| |
Meat
pattie
| Purple | No change brown/yellow | |
Bun
| Blue | Blue black |
Results:


