What is food?
  What happens to the food we eat?  
Our nutrient needs  
  Energy balance  
  Nutritional status  
  Laws & labels  
  Additives & colours  
  Toxicity in food  
  Processing food  
  Stability of food nutrients  
  Storage life of foods  
  Food- associated health problems  

- Knowing the natural sources of food -

Foods from similar sources in nature have common nutritional characteristics.

Getting to know the biological sources makes it easier to remember the main nutritional properties of various foods (Figure 3).


Food Facts
- What is food ?
- The total diet
Knowing the natural sources of food
1: Components of food in the total diet
2: The food pyramid
3: Foods grouped according to biological source