Question

what are the main food components

Answer 1

The main components of foods arecarbohydrates, protein, fats, vitamins and minerals. These are called nutrients. Carbohydrates are also called energy giving food. It is the main sources of energy. It is made up of carbon, hydrogen, and oxygen.
if you like my answer add me in Brain list

Answer 2

The components of food are:

Carbohydrates
. The carbohydrates in our food are obtained mainly from the plants sources like wheat, rice, maize, potatoes, sago (sabu-dana), peas, beans and fruits. ...
Fats. 
Fats are supplied to our body by many foods like butter, milk, egg etc. ...
Proteins. .
..Minerals. ...
Vitamins.
Water and Roughage.