LIPIDS::PART 4

BIOLOGICAL ROLE OF LIPIDS

-          Food materials.

o   High calorific value.

o   One gram produces 9.8 Kcal of heat.

-          Food reserve.

o   Since these are insoluble, they are stored as food reserves in our body.

-          Structural component.

o   Important constituent of cell membranes.

-          Heat insulation.

                           

-          Fatty acid absorption.

-          Hormone synthesis.

o   Many hormones are synthesised from lipids like cholesterol.

-          Vitamin carried.

o   These carry fat soluble vitamins like vitamin A, D, E and K.