(i) Oils and fats are concentrated sources of energy. They act as a source of energy in the absence of sugar supply.
(ii) Fat cells present in adipose tissue prevent heat loss and maintain normal body temperature.
(iii) Vitamins A, D, E and K are fat soluble vitamins. All these vitamin needs are met by consuming oil-like food.
(iv) Oils and fats are the main sources of fatty acids in the body. It has metabolic and structural functions.
(v) The fat stored in the fruits and seeds of plants is stored as food.
(vi) The oils and fats stored in the seeds are converted into sugars and provide nourishment to the growing embryo.
(vii) Fat increases the risk of heart disease by increasing LDL levels in the body.
(viii) The oil reduces the risk of heart disease by reducing the level of LDL in the body.