L-lysine

chemical substances
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L-lysine is a kind of chemical substances , white or near white free flow Of Crystallinity Powder.
Chinese name
L-lysine
Foreign name
L-Lysine
Alias
L-2,6-diaminohexanoic acid; L-lysine (food grade); Lysine
Molecular formula
C six H fourteen N two O two
molecular weight
one hundred and forty-six point one nine
Chemical name
L-lysine; Left-2, 6-2 Aminocaproic acid Monohydrochloride
English alias
Lys; Lysine; Lysine acid; (S)-(+)-Lysine
Chemical Abstract Registration No
[56-87-1]

Physical and chemical properties

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This product is white or nearly white free flow Of Crystallinity Powder; Almost odorless. Soluble in water and formic acid Insoluble to ethanol and Ether solubility (g/100ml water): 40 (0 degrees), 63 (20 degrees), 96 (40 degrees), 131 (60 degrees).
AJI92, USP26, FCCIV, etc.

Performance and use

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1. For food industry Lysine is protein It is one of the important components of amino acid One is an excellent food fortifier. Due to the lack of lysine in food, it is also called "No. 1" essential amino acid ”。 Adding lysine to drinks, rice, flour, cans and other foods can improve the utilization rate of protein, thus greatly Fortified food To promote nutrition Growth and development It can increase appetite, reduce disease and strengthen physique. It can be used for deodorization and fresh-keeping in cans.
2. For Pharmaceutical industry Lysine can be used for preparation Compound amino acid Infusion, it is better than Hydrolyzed protein The infusion effect is good with few side effects. Lysine can be used with various vitamins glucose make Nutritional supplements , easy to be absorbed by gastrointestinal tract after oral administration. Lysine can also improve the performance and efficacy of some drugs.
Transportation and storage: light loading and unloading, moisture-proof and sunscreen, not mixed with toxic and harmful substances.
Store in dry, clean shade , sealed container. quality guarantee period two years.

synthetic method

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1. L-lysine is generally supplied to the market with L-lysine hydrochloride [657-27-2], and free L-lysine is very easy to Deliquescence , due to free amino It is prone to yellowing and deterioration, and has a pungent smell, which is difficult to preserve for a long time. L-lysine hydrochloride It is relatively stable, not easy to deliquescence, and convenient for storage. However, the demand for L-lysine in some applications is also increasing, such as Polypeptide synthesis Chemistry, biochemical research, preparation of lysine derivatives, etc. Free L-lysine can be prepared from L-lysine hydrochloride.
Lysine
2. Tobacco: BU, 22; FC,21; It can be obtained by hydrolyzing and refining animal protein. It can also be made from benzoyl Piperidine synthesis.