Question

Describe one test each for detecting the presence of
the following in food test of protein ​

Answer 1

Answer:

Biuret solution is used to identify the presence of protein. Biuret reagent is a blue solution that, when it reacts with protein, will change color to pink-purple.

Explanation:

✌️✌️✌️✌️✌️✌️✌️✌️

Answer 2

Answer:

For starch is iodine solution , pour it on the food a blue black colour comes. For fats is ethanol or oil, pour it on food a white color appears or it becomes translucent. For protein is Biuret solution ,by pouring it on food it becomes pink-purple.

Explanation:

Biuret solution is used to identify the presence of protein. Biuret reagent is a blue solution that, when it reacts with protein, will change color to pink-purple.