Question

How will you determine whether the given food items contain protein or not? ans in one sentence​

Answer 1

Answer:

A Violet color solution confirms the presence of proteins. Note: Biuret reagent solution can be prepared from copper sulfate, sodium/potassium hydroxide, and sodium tartrate. The above mentioned tests can be used for the different food materials and ease of the process.

Following steps are used to test if a food item contains protein.

1) Take a small quantity of the food items to be tested.

2) Grind/mash the food item.

3) Put the food item into a test tube.

4) Add 10 drops of water and shake the test tube.

5) Add two drops of copper sulphate solution to the test tube, using a dropper.

6) Add 10 drops of caustic soda solution using a dropper and shake the test tube.

7) Let the test tube rest in a test tube stand for a few minutes.

8) Observe the colour of the mixture.

9) Violet colour indicates the presence of proteins in the tested food item.

Thank you

pls mark as brainlist answer