∙ Definition ∙ Food is that which nourishes the body. Food may also be defined as anything eaten or drunk, which can be absorbed by the body to be used as an energy source, building, regulating or protective material. ∙ In short, food is the raw material from which our body is made. Intake of the right kinds and amounts of foods can ensure good health, which may be evident in our appearance, efficiency and emotional well-being. Classification of foods ∙ Based on the functions, foods are grouped into energy-yielding, body-building and protective foods. ∙ Nutrients which engage in these activities are known as energy-yielding nutrients, body-building nutrients and protective nutrients. ∙ Carbohydrates, fats and proteins release energy on metabolism in our body. Foods may be broadly classified into 11 groups based on their nutritive value: (1) Cereals and millets (2) Pulses (Legumes) (3) Nuts and oilseeds (4) Vegetabl...
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