Question

how can you test the presence of protein in your food items... urgently please tell me fast...​

Answer 1

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

Following steps are used to test if a food item contains protein.Take a small quantity of the food items to be tested.

Following steps are used to test if a food item contains protein.Take a small quantity of the food items to be tested.Grind/mash the food item.

Following steps are used to test if a food item contains protein.Take a small quantity of the food items to be tested.Grind/mash the food item.Put the food item into a test tube.

Following steps are used to test if a food item contains protein.Take a small quantity of the food items to be tested.Grind/mash the food item.Put the food item into a test tube.Add 10 drops of water and shake the test tube.

Following steps are used to test if a food item contains protein.Take a small quantity of the food items to be tested.Grind/mash the food item.Put the food item into a test tube.Add 10 drops of water and shake the test tube.Add two drops of copper sulphate solution to the test tube, using a dropper.

Answer 2

using a dropper add two drops of copper sulphate solution to the test tube at. Add 10 drops of caustic soda solution and shake the test tube. Observe the colour of the mixture. Violet colour indicates the presence a proteins in the tested food item..

Hope it helps :)