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Physical and Chemical Properties of Leucine
Leucine is generally used for bread and bakery products. Preparation of amino acid infusion and amino acid preparations, hypoglycemic agents, plant growth promoters. Used as a spice, improve food flavor. In the pharmaceutical industry, the L-leucine is an indispensable raw material of the clinical selection of compound amino acid intravenous fluids, plays an active role in life to maintain the nutrition of critically ill patients need to rescue patients. Leucine also play an important role in regulating amino acid and protein metabolism. The study found that leucine is the only amino acids that can regulate protein turnover in skeletal and cardiac muscle. Also, studies have shown that leucine can promote skeletal muscle protein synthesis. Leucine metabolites. Keto the dissidents acid one also has a role in regulating protein metabolism.
Basic information
Chinese name: leucine, leucine
Chinese alias: alpha-amino-γ-methyl-valeric acid, α-amino acid of dissidents
English name: Leucine
Chemical formula: C6H13NO2
Formula: (CH3) 2CHCH2CH (NH2) COOH
Molecular Weight: 131.18
Category: amino acid drugs
This product is the L-2-amino-4 - methyl valerate. Dry goods calculation, including C6H13NO2 shall not be less than 98.5%.
Physical and Chemical Properties
Appearance and properties: white crystal or crystalline powder; odorless, slightly bitter taste.
Melting point: 332 ° C (racemic), 293 ~ 295 ° C (L-body)
The pH: the pH is about 5.5 ~ 6.5
Solubility: soluble in formic acid, slightly soluble in water, very slightly soluble in ethanol or ether.
Relative density (water = 1): levo 1.293
Specific rotation: Take this product, accurately weighed, 6mol / L hydrochloric acid solution to dissolve and release the diluted into a solution containing 40mg per 1ml of determination (Appendix VI. E) in accordance with the law, the specific rotation +14.5 ° to +16.0 °

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