Chemical name is L-2-amino-3 - (4 - hydroxyphenyl) propionic acid,
CAS No.: 61-90-5
Molecule Formula: C6H13NO2
Molecule Weight: 131.17
Property:
white glossy hexahedral crystals or white crystalline powder. Slightly bitter taste (DL-leucine was sweet). Sublimation at 145 ~ 148 ℃. Melting point 293 ~ 295 ℃ (decomposition). In the presence of hydrocarbons, its stable in inorganic acid aqueous solution. Each gram dissolves in about 40ml water or 100ml acetic acid. Slightly soluble in ethanol (0.07%), dissolved in dilute hydrochloric acid, alkali hydroxide and carbonate solution. Insoluble in ether.
An essential amino acid, adult male requirement (2.2g / d) (Japan). necessary for normal growth of infants and for adults to maintain normal nitrogen balance
Naturally exist in spleen and heart, in the form of the protein in a variety of animal and plant tissues.
Applications:
Nutritional supplements; flavoring agent.
Preparation of amino acid infusion and comprehensive amino acid preparations, hypoglycemic agents and plant growth promoters.