Table 1 Classification of foods based on functions and nutrients [13]
From: A review on mechanisms and commercial aspects of food preservation and processing
| Â | Sources |
|---|---|
Functions | |
 Body building and repairing foods | Milk, meat, fish, pulses, vegetables, and nuts |
 Energy-giving foods | Oil, butter, sugar, cereals, dry fruits, and starch foods |
 Regulatory foods | Water, raw vegetables, citrus fruits, and beverages |
 Protective foods | Milk, whole grain cereals, meat, vegetables, and fruits |
Nutrients | |
 Carbohydrate-rich foods | Rice, wheat, and starchy vegetables |
 Protein-rich foods | Milk, meat, fish, egg, and nuts |
 Fat-rich foods | Oils, butter, and egg yolk |
 Vitamin- and mineral-rich foods | Fruits and vegetables |