What are carbohydrates?


A carbohydrate is a biomolecule composed of carbon (C), hydrogen (H), and oxygen (O) atoms; it is also referred to as saccharides or carbs. Carbohydrates are the necessary nutrient of food that provides energy to perform daily activities.

Carbohydrate-containing foods include:

1. Grains and vegetables high in starch include rice, wheat, maize, barley, potatoes, and sweet potatoes.

2. Bananas, apples, berries, mangoes, and oranges are examples of fruits.

3. Milk and other dairy products Yogurt, cheese, and butter.


Cereals make up a larger share of our regular meals since they supply the energy needed to accomplish everyday tasks.

Carbohydrates are present in mainly two forms: Sugars and Starch.


[Extra information:

(i) Carbohydrates can be tested using Fehling's solution. Adding a mixture of Fehling's solution to the sample leads to the formation of a red precipitate that confirms the presence of carbohydrates in the sample.

(ii) To analyze carbohydrates in a given sample, an iodine solution can also be used. When starch is detected, iodine, which is yellow-orange in color, turns blue-black. The color shows the presence of starch and helps in measuring the concentration of starch and carbs in the food we consume.]

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Simply Easy Learning

Updated on: 10-Oct-2022

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