Question

Describe one test for detecting presence of protein in food?

Answer 1

Take small quantity of the food items to be tested.Put 2-3 drops of iodine solution on it.Observe the colour of the food item.Blue-black colour indicates the presence of starch in the tested food item. 

Answer 2

biuret solution is used to detecting presence of protine in food .when biuret solution is react to protine ,will change to pink purple.