Question

How will you test for protein in a food sample?

Answer 1

Answer:

Biuret solution is used to identify protein in food

Explanation:

i hope it helps you

Answer 2

• Take a small quantity of the food items to be tested.
• Grind/mash/paste/powder the food item.
• Put the food item into a test tube.
• Add 10 drops of water and shake the test tube.
• Using a dropper add two drops of copper sulphate solution to the test tube.
• Add 10 drops of caustic soda solution and shake the test tube.
• Observe the colour of the mixture.
• Violet colour indicates the presence of proteins in the tested food item.