Food has been a necessity for human survival
since the very beginning of the world. Food is required for every living
creature. Good food is reflected by optimum health and wellbeing.
In early times man ate food most naturally. Fruits,
veg-etables, cereals, pulses, fats, oils or sugars were all consumed as they
were available without any refinement or processing. Later man discovered
methods of cook-ing and also preserving food according to his need. By accident
man discovered fire and then experimented and began to cook non-vegetarian
foods like fish, meat etc. by direct roasting on fire. This was fol-lowed by
salting food and dehydration of foods as preservation techniques.
The importance of food gave rise to a science
called “food science”. This is “a discipline in which the engineering,
biological and physical sciences are used to study the nature of foods, the
causes of deterioration, the principles underlying food processing, and the
improvement of foods for the consuming public”.
Food has been a basic part of our survival.
Next to air and water, food is the utmost important thing for survival. Food is
essential for growth, development, active and healthy life of an individual.
Through, centuries, food has also been used, as an expression of love,
friendship and social acceptance.
Food refers to anything, which nourishes the
body. It would include solids, semi-solids and liquids which when consumed help
to sustain the body and keep it healthy. Food is a substance, which after
ingestion, digestion and absorption is capable of being utilized by the body
for its various functions.