Question

How will you determine the given food items contain protein or not??

Answer 1

Answer:

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Explanation:

There are a number of tests that can be performed to confirm presence of protein in a food item.

Test 1 (HEAT TEST):

Take small amount of sample and make an aqueous solution in a test tube.

Heat the upper part of the test tube. The lower part acts as control.

The upper part shows cloudy turbidity. Hence protein is present.

BIURET TEST:

Take the sample solution and mix BIURET REAGENT to the test tube.

Appearance of purple colour of solution indicates and confirms presence of proteins.

Blue colour of solution indicates absence of proteins.

⋆ Hope It Helps.