Iron is a very important nutrient. The adult human body con­tains 3 to 4 grams of iron Of this 50 to 70 per cent is present in hemoglobin of blood. F-ach gram of hemoglobin contains 3 to 3.4

Functions

1. It is necessary for the synthesis of hemoglobin.

2. It is required for brain development and muscle activity.

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3. It is needed for the regulation of body temperature.

4. It has a central function in oxygen transport and call respiration.

Sources:

Iron is present in liver, meat, kidney, fish, cereals, green leafy vegetables, legumes, jaggery and date fruits.

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Deficiency:

Deficiency of iron leads to anemia. Also iron defi­ciency leads to impaired immunity and decreased resistance to infection.

Requirement:

The recommended intake of iron is 15 to 30 mg per day.