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Test for Carbohydrate, Proteins and Fats

The food we eat is one of the necessary factors in our daily life that provides nutritional support for the human body. Food consists of both organic and inorganic substances. Carbohydrates, fats and proteins are the main organic substances present in the food, which provide energy. One of the main components of our daily diet is carbohydrates. This type of foods includes sugars, starch and fibres. They are composed of sugar molecules that contain carbon, hydrogen and oxygen. Proteins are large biological molecules made up of large number of amino acid units. Because of the complex nature of protein, our body takes a longer time to break down protein molecules. Fats are complex molecules made up of fatty acids and glycerol. Our body needs fats for growth and energy.


This video explains how to detect the presence of carbohydrates, protein and fats and to show their presence in suitable plant and animal materials.


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