Basics About Nutrition and Nutrients

ID-100201199Nutrition is a science of food and relationship of food science with health. Nutrients are substances that must be supplied in sufficient quantity in the diet because they can not synthesized by our body. Nutrients are required for body growth and development and for maintenance of normal body function. Nutrients are also known as “food factors”. Nutrients are proteins, fats, carbohydrates, vitamins, minerals and trace elements which are required by our body in micro quantity but are essential for growth and maintenance of normal body functions. Water is also can be classified as nutrient and it is one of the most important and without it a man will not survive. Without food a man can survive for more than a month but with out water a man can not even survive for a week.

Dietetics is the practical application of principles of nutrition. Dietetics includes planning of food and nutrition for diseased or sick and for people with normal health. Dietetics also includes planning of diet for weight loss for the overweight (a body mass index or BMI of more than 25-30) and obese (BMI of more than 30) persons. Dieticians are the person who deals in dietetics and do the planning of food intake in diseased state, for healthy persons who want to maintain good health and for overweight and obese who want to get to normal body shape.

For optimum health we need energy providing foods, which are proteins, fats and carbohydrates, vitamins, which include 4 fat soluble vitamins (vitamin A, D, E and K) and 10 water soluble vitamins (vitamin B complex group, folic acid and vitamin C), choline, 4 minerals, 7 trace elements or minerals, 3 electrolytes and few ultra trace minerals.

Someone is getting good nutrition can be said when he is having a nutritional status that enables him to grow well and maintain good health. Good nutrition is essential for growth and well being of individual and community as a whole. Without good nutrition a nation can not prosper and it is the very basic for the development of a nation as a whole.


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