Micronutrients

Carbohydrates Proteins Fats Minerals Vitamins Fat Soluble Vitamins Water Soluble Vitamins Saturated Unsaturated Poly Unsaturated Mono Unsaturated Complete Proteins Incomplete Proteins Monosaccharide Disaccharide Polysaccharide Fig . : Types of Nutrients Introduction to Nutrition Science . Importance of Nutrition A living organism is the product of nutrition. A human being requires more than fifty different nutrients for its well- being.

Food materials ingested by the body are digested, absorbed and metabolised. A number of foods have to be selected to get all the nutrients. The health of a person depends on the type and quantity of the foods that is choosen in his/her diet.  Water is the overall vital nutrient that sustains all our life processes.

Nutrients provide nourishment to the body as such or after digestion. All these have a definite role and are obtained from different food products. Nutrition is the quantitative science which deals with the accounts of nutrients contributed by different foods and action of each in the functioning of the body. Fig .

: Importance of water