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6th Class Science Components of Food

Components of Food

Category : 6th Class

Components of Food

Synopsis

The edible substances which we eat to obtain energy, materials required for growth, maintenance, development and to repair worn out tissue in our body is called food.

The sources of different components of food are listed below

Food on the basis of their role in the body, are classified into three major groups.

Energy giving foods	Body building foods	Protective foods
Cereals, sugar, potato. honey, oils and fats	Milk, pulses, cheese, eggs, fish, meat	Fruits, vegetables, milk, eggs

A diet that contains adequate amount of different components of food required for the healthy functioning of our body is called a balanced diet.

Marasmus is a disease in children caused by the deficiency of proteins, carbohydrates and fats.

Kwashiorkor is a disease caused by protein deficiency in children. The stomach becomes swollen, the legs become thin and the skin show ugly patches.

Vitamin Deficiency Diseases

Vitamins	Deficiency Diseases
Vitamin A	Night blindness (Poor night vision)
Vitamin \[{{B}_{1}}\]	Beri-beri
Vitamin \[{{B}_{2}}\]	Skin diseases
Vitamin \[{{B}_{3}}\]	Pellagra (Affects the skin, digestive and nervous system)
Vitamin \[{{B}_{12}}\]	Anaemia (Deficiency of RBC's)
Vitamin C	Scurvy (Bleeding of gums, swelling of joints)
Vitamin D	Rickets (Weak bones)
Vitamin K	Haemorrhage (Clotting of blood affected)

Mineral Deficiency Diseases

Minerals	Deficiency diseases
Calcium	Brittle bones and stunted growth
Phosphorus	Weak or fragile bones and teeth, body weakness
Sodium	Dehydration, extreme body weakness
Potassium	Muscle weakness, paralysis
Iron	Anaemia (Weakness)
Iodine	Goitre (glands in the neck appear swollen) abnormal metabolism
Fluorine	Dental decay

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Notes - Components of Food

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