Nutrients, Classification And Functions

Food performs three main functions

Food performs three main functions: physiological (energy giving, body building, protective), psychological (emotional satisfaction), and social (bond

Nutrients required in large amounts

Nutrients required in large amounts: carbohydrates (4 kcal/g), proteins (4 kcal/g), and fats (9 kcal/g). Carbohydrates provide quick energy, proteins

Vitamins and minerals needed in small

Vitamins and minerals needed in small amounts. They regulate body processes like metabolism, immunity, and bone health. Examples: Vitamin C for immuni

Components like dietary fiber and phytochemicals

Components like dietary fiber and phytochemicals that do not provide energy but support health. Fiber aids digestion, while phytochemicals protect aga

Substances in food that interfere

Substances in food that interfere with nutrient absorption. Examples: phytates reduce mineral absorption, avidin in raw eggs blocks biotin. Traditiona