Final answer:
The FAO definition of modulation is the adjustment of food composition and quality. It refers to the process of modifying foods to improve their nutritional value and health attributes.
Step-by-step explanation:
The FAO (Food and Agriculture Organization) definition of modulation is the adjustment of food composition and quality. This refers to the process of modifying foods to improve their nutritional value and health attributes. Examples of modulation include fortifying foods with vitamins and minerals, enriching them with additional nutrients, and enhancing their taste, texture, and appearance.