Over 40 compounds are required for nutritional human diet. It includes minerals, carbohydrates, fats, proteins and vitamins. The most important sources of these components are fruits and vegetables. HUMAN body needs adequate food for growth and development and to lead a normal active life. The food is basically categorized into different food groups, namely cereals, pulses, fruits, nuts and oil seeds. A balanced combination of these food groups constitutes a healthy and nutritious diet.
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