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Physiological functions of Food : Energy Yielding Foods

Physiological functions of Food : Energy Yielding Foods

Food is the basic necessity of man.
It is a mixture of different nutrients such as carbohydrates, Protein, fat, vitamins and minerals.

These nutrients are essential for growth, development and maintenance of good health throughout life.

They also play a vital role in meeting the special needs of pregnant and Lactating women and patients recovering from illness.

Classification of food according to their functions in the body.

* Physiological functions
* Social functions
* Psychological functions

Physiological functions  are further divided into three parts. These are

* Energy yielding foods ( Carbohydrates, Protein, fat )
* Body building foods ( Protein )
* Protective foods ( Vitamins and minerals )

*  Energy yielding foods : Foods rich in carbohydrates and fats are called energy yielding foods.

They provide energy to sustain the involuntary processes essential for continuance of life, to carry out various professional, household and recreational activities and to convert food ingested into usable nutrients in the body.

The energy needed is supplied by the oxidation of foods consumed.

Cereals roots and tubers, dried fruits, oils, butter and ghee are all good source of energy.

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