L-leucine

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Product Name	L-leucine
Other Name	l-2-amino-4-methylvaleric acid, 2-amino-4-methylvaleric acid
Molecular Formula	C6H13NO2
Molecular Weight	131.17
CAS	61-90-5
EINECS	200-522-0

L-leucine is an essential amino acid. It is enantiomer with D-leucine. It is white glossy hexahedral crystal or white crystalline powder at room temperature. Odorless, slightly bitter. Sublimate at 145-148 ℃. Melting point 293 ~ 295 ℃ (decomposition). In the presence of hydrocarbons, it is stable in inorganic acid aqueous solution. Slightly soluble in ethanol (0.07%), soluble in dilute hydrochloric acid and alkaline hydroxide and carbonate solution. Insoluble in ether.

1. It is an essential amino acid. The requirement for adult men is 2.2g/d, which is necessary for normal growth of infants and normal nitrogen balance of adults. As a nutritional supplement, it is used to prepare amino acid infusion and comprehensive amino acid preparation, hypoglycemic agent and plant growth promoter. According to GB 2760-86, it can be used as perfume.

2. As amino acid infusion and comprehensive amino acid preparation. It is used for the diagnosis and treatment of idiopathic hyperglycemia in children. It is also suitable for the disorders of glucose metabolism, liver diseases with reduced bile secretion, anemia, poisoning, muscular atrophy, sequelae of poliomyelitis, neuritis and psychosis.