Question

Describe how you would find out whether protein present in a particular food in 100 words

Answer 1

Answer:

Add a few drops of ammonium hydroxide into it and note the change in colour. A bright orange colour appears. This indicates that the egg white contains proteins. To find out whether protein is present in a particular food or not, you can try this test.

Answer 2

If protein is present in a food, the litmus paper will change color from red to blue.

Explanation:

• Protein is an essential nutrient that builds muscle in the body.
• Test for protein present in the food is :
• Add a small amount of calcium oxide and five drops of milk to a test tube.
• Add three drops of water.
• Carefully heat the test tube over a flame.
• Hold the damp litmus paper over the mouth of the test tube and observe any color change.
• If protein is present in a food, the litmus paper will change color from red to blue.
• If protein is present, you should be able to detect the odor of ammonia.
• Both of these indicate a positive test for protein.

To Learn More...

1. Describe how you would find out whether protein is present in a particular food​

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