L-Phenylalanine  L-苯丙氨酸 

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L-Phenylalanine

 

 

 

 

 

 

 

Physicochemical Properties:

MF: C9H11NO2, MW: 165.19.

L-Phenylalanine is colorless to white tabularcrystal or white crystalline powder, slightly special smell and taste bitter, melting point: 283℃, soluble in formic acid easily, soluble in water, indissolvable in ethanol and ether, stable to heat, light and air, unstable to alkali.

Functions:

1  L-Phenylalanine is one of essential amino acids and limited amino acids, it can be used to make amino acid infusions and comprehensive preparations.

2  It can be added to bakery product, as well as strengthening nutritional function of L-Phenylalanine, it reacts with sugars which can alter the taste of foods.

3  L-Phenylalanine is intermediate which can synthesize some anti-cancer drugs.

4  L-Phenylalanine used to be the main material for producing aspartame.

Precautions:

1  It must be hermetically stored in dark, cool, dry and clean place.

2  Shelf life: 2 years.

3  Please contact local expert for more details according to local law and restrictions.

More information:

Phenylalanine (Phe or F)[2] is an α-amino acid with the formula C9H 11NO 2. It can be viewed as a benzyl group substituted for the methyl group of alanine, or a phenyl group in place of a terminal hydrogen of alanine. This essential amino acid is classified as neutral, and nonpolar because of the inert and hydrophobic nature of the benzyl side chain. The L-isomer is used to biochemically form proteins, coded for by DNA. The codons for L-phenylalanine are UUU and UUC. Phenylalanine is a precursor for tyrosine; the monoamine neurotransmitters dopamine, norepinephrine (noradrenaline), and epinephrine (adrenaline); and the skin pigment melanin.
Phenylalanine is found naturally in the breast milk of mammals. It is used in the manufacture of food and drink products and sold as a nutritional supplement for its reputed analgesic and antidepressant effects. It is a direct precursor to the neuromodulator phenethylamine, a commonly used dietary supplement. As an essential amino acid, phenylalanine is not synthesized de novo in humans and other animals, who must ingest phenylalanine or phenylalanine-containing proteins.

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