Ningbo Chin-Mo Import & Export Co., Ltd.

L-Methionine

L-Methionine
Product Detailed

L-Methionine
Molecule Formula: C5H11NO2S
Molecule Weight: 149.21
Manufacture Standards: AJI92,USP26,EP4

L-Methionine

Indications and Usage
Methionine (abbreviated as Met or M) is an α-amino acid with the chemical formula HO2CCH(NH2)CH2CH2SCH3. This essential amino acid is classified as nonpolar.

 

Together with cysteine, methionine is one of two sulfur-containing proteinogenic amino acids. Its derivative S-adenosyl methionine (SAM) serves as a methyl donor. Methionine is an intermediate in the biosynthesis of cysteine, carnitine, taurine, lecithin, phosphatidylcholine, and other phospholipids. Improper conversion of methionine can lead to atherosclerosis.

 

This amino acid is also used by plants for synthesis of ethylene. The process is known as the Yang Cycle or the methionine cycle.

 

Methionine is one of only two amino acids encoded by a single codon (AUG) in the standard genetic code (tryptophan, encoded by UGG, is the other). The codon AUG is also the "Start" message for a ribosome that signals the initiation of protein translation from mRNA. As a consequence, methionine is incorporated into the N-terminal position of all proteins in eukaryotes and archaea during translation, although it is usually removed by post-translational modification. In bacteria, the derivative N-formylmethionine is used as the initial amino acid.

 

Rats fed a diet without methionine developed steatohepatitis. Administration of methionine ameliorated the pathological consequences of methionine deprivation.


Package
25kg/drum, double layers plastic bags inside.

 

Storage Situation
Stored in a cool and dry well-closed container. Keep away from moisture and strong light/heat.



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