Saturday, January 21, 2012

5 Major Nutrients

1. Vitamins
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Vitamins are organic molecules that help regulate body processes often working with enzymes. They are able to to help the metabolic enzymes responsible for processing carbohydrates, fats and protein from food and putting the resulting compounds to work. Specific vitamins have different specific functions.



2. Minerals
Minerals are inorganic compounds that the body needs in small amounts. Minerals are required to activate thousands of enzyme reactions within the body. Different minerals have different functions such as acid-base balance, bone and tooth formation, body water balance, etc.




3. Lipids
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Lipids, or fat, are formed from fatty acids and glycerol. Your body needs certain fatty acids to produce cell membranes, myelin sheaths, and certain hormones. They also help absorb fat-soluble vitamins. Extra fat is stored which protects body organs and insulate the body.




4. Carbohydrates
Carbohydrates are the main source of energy for the body. The main function of carbohydrates is to provide energy for the body, especially the brain and the nervous system. Amylase, an enzyme, helps break down carbohydrates into glucose which is used for energy by the body.




5. Proteins


Proteins have a lot of roles in the body. They supply raw materials for growth and repair of structures such as skin and muscle. They have regulatory and transport functions. They are polymers of amino acids.

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