Main Components of food are as follows :-
1) carbohydrates :- rice, wheat, chapatis, bread,maize, and potatoes.
2) Fats:- milk, butter, egg, cheese.
3) proteins:- wheat, maize, pulses,fish, milk, eggs, groundnuts, beans.
4) minerals:- eggs, bajra,kidney, liver, ragi.
5) iodine:- iodized salt, fish sea food.
6) Calcium:- milk, fish, meat,green vegetables,beans,cheese.
7) phosphorus:- bajra, ground nuts, vegetables,milk,ragi.
8) vitamins:- fruits like amla, orange,and tomatoes. animal products like milk, butter,egg, fish. green vegetables like spinach, cabbage,soyabean.
Hope this helps :)