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Tuesday, September 21, 2010

Protein : Essential and Non-Essential Amino Acids

Tuesday, September 21, 2010
Protein come from the Greek word 'proteios', that mean 'of prime importance'. Protein consist of carbon, hydrogen, oxygen and nitrogen and arranged as strands of amino acids. Amino acids is the building blocks of protein.

Our body continually gets the amino acids its needs froom its own amino acids source and from food we eat. after we eat a food that contains protein, the body will breaking it down into various amino acids. There are 20 different amino acids, depending upon the sequence in which they appear, and a specific function is carried out in the body.

From 20 amino acids, 11 can actually be manufactured within our body. It is mean, 9 amino acids can not be manufactured. Our body cannot function well without each and every amino acids. The 9 amino acids are the essential and we get these nine from outside food resources. so, they called essential amino acids.

Essential amino acids:
Histidine, Isoleucine, Leucine, Lysine, Methionine, Phenylalanine, Threonine, tryptophan, and Valine.

Non Essential amino acids:
Glycine, Glutamic acid, Arginine, Aspartic acid, Proline, Alanine, Serine, Tyrosine, Cysteine, Asparagine, and Glutamine

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