Natural arginine is L-form, and the product crystallized from water contains two molecules of crystal water, and the crystal water is lost at 105 °C. Crystallized in ethanol is an anhydrate. Decomposed at 238 ° C. Soluble in water, slightly soluble in ethanol, insoluble in ether. Arginine is an important component of sperm protein. It is an essential amino acid for animals. Although the human body can synthesize itself, the synthesis rate is slow, so it is called semi-essential amino acid. Due to the presence of sulfhydryl groups, arginine is alkaline and easily reacts with acid to form a salt, which is a basic amino acid. It is an essential amino acid in nutrition. The content of gelatin and protamine is more. It can be used as an additive for foods and used to make medicines. It can be hydrolyzed and refined from gelatin. Arginine is closely related to the formation of urea in the body, and can also form arginine phosphate and creatine phosphate, which play an important role in energy metabolism. In plant seeds, a form of nitrogen source is often stored for seed germination. The metabolites spermine and spermidine, as well as basic histones containing more arginine, play an important role in stabilizing DNA in prokaryotic and eukaryotic cells and in the expression of genetic information in DNA. Arginine can participate in the ornithine cycle, which can promote the formation of urea in the body, so it can reduce the accumulation of ammonia in the body and reduce the blood ammonia. Clinically, it is mainly used for hepatic coma caused by elevated blood ammonia, and is most suitable for patients with alkalosis and sodium glutamate.
    
    
    
        
    
    
    
        
            
                
                
                    
                        
                        
                        
                        
                        
                        
                            
                                
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                                    Amino compound
                                    
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                                    Oxy-containing amino compound
                                    
                                    
                                    Cycloalkylamines, aromatic monoamines, aromatic polyamines and derivatives and salts thereof
                                    
                                    
                                    Acyclic monoamines, polyamines and their derivatives and salts
                                    
                                    
                                    Amide compound
                                    
                                    
                                    Sulfonic acid amino compound
                                    
                                    
                                
 
                                
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                                    Alcohols, phenols, phenolic compounds and derivatives
                                    
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                                    2-cycloalcohol
                                    
                                    
                                    Halogenated, sulfonated, nitrated or nitrosated derivatives of alcohols
                                    
                                    
                                    Extremely halogenated, sulfonated, nitrated or nitrosated derivatives of phenols
                                    
                                    
                                    Phenol and its halogenated, sulfonated, nitrated or nitrosated derivatives
                                    
                                    
                                    Acyclic alcohol
                                    
                                    
                                
 
                                
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                                    Nitrogen-containing compound
                                    
                                    
                                
 
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                                    Nitrile compound
                                    
                                    
                                
 
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                                    Organic derivative of hydrazine or hydrazine
                                    
                                    
                                
 
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                                    Terpenoid
                                    
                                    
                                
 
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                                    Ether compounds and their derivatives
                                    
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                                    Ether, ether alcohol
                                    
                                    
                                    Halogenation, sulfonation, nitration or nitrosation of ethers, ether alcohols, ether phenols
                                    
                                    
                                
 
                                
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                                    Aldehyde
                                    
                                    
                                
 
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                                    Carboxylic compounds and derivatives
                                    
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                                    Cyclic carboxylic acid
                                    
                                    
                                    Halogenation, sulfonation, nitration or nitrosation of carboxylic acids
                                    
                                    
                                    Halogenation, sulfonation, nitration or nitration of carboxylic anhydrides
                                    
                                    
                                    Carboxylic acid halide
                                    
                                    
                                    Carboxylic esters and their derivatives
                                    
                                    
                                    Salt of carboxylic acid ester and its derivatives
                                    
                                    
                                    Acyclic carboxylic acid
                                    
                                    
                                
 
                                
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                                    Hydrocarbon compounds and their derivatives
                                    
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                                    Aromatic hydrocarbon
                                    
                                    
                                    Cyclic hydrocarbon
                                    
                                    
                                    Hydrocarbon sulfonate
                                    
                                    
                                    Hydrocarbon halide
                                    
                                    
                                    Hydrocarbon nitrite
                                    
                                    
                                    Acyclic hydrocarbon
                                    
                                    
                                
 
                                
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                                    Ketone compound
                                    
                                    
                                
 
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                                    Alkyl ureas and their derivatives and salts
                                    
                                    
                                
 
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                                    Inorganic acid ester
                                    
                                    
                                
 
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                                    Heterocyclic compound
                                    
                                    
                                
 
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                                    Diazo, azo or azo compound
                                    
                                    
                                
 
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                                    Organosilicon compound
                                    
                                    
                                
 
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                                    Organometallic compound
                                    
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                                    Organic palladium
                                    
                                    
                                    Organic germanium, cobalt, strontium, barium, gallium, germanium, germanium, germanium, germanium, etc.
                                    
                                    
                                    Organic calcium
                                    
                                    
                                    Zirconium
                                    
                                    
                                    Organic potassium
                                    
                                    
                                    Organic
                                    
                                    
                                    Organic lithium
                                    
                                    
                                    Organic
                                    
                                    
                                    Organic aluminum
                                    
                                    
                                    Organotin
                                    
                                    
                                    Organic manganese
                                    
                                    
                                    Organic sodium
                                    
                                    
                                    Organic nickel
                                    
                                    
                                    Organic titanium
                                    
                                    
                                    Organic iron
                                    
                                    
                                    Organic copper
                                    
                                    
                                    Organotin
                                    
                                    
                                    Organic zinc
                                    
                                    
                                    Organic
                                    
                                    
                                    Organic
                                    
                                    
                                    Organic germanium, mercury, silver, platinum, etc.
                                    
                                    
                                    Organic germanium, antimony, bismuth, tungsten, antimony, bismuth, lead, vanadium, molybdenum, chromium, antimony, etc.
                                    
                                    
                                
 
                                
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                                    Organic sulfur compound
                                    
                                    
                                
 
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                                    Organic phosphine compound
                                    
                                    
                                
 
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                                    Organometallic salt
                                    
                                    
                                
 
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                                    Organic fluorine compound
                                    
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                                    Fluorobenzoic acid series
                                    
                                    
                                    Fluorobenzonitrile series
                                    
                                    
                                    Fluorobenzaldehyde series
                                    
                                    
                                    Fluorobenzyl alcohol series
                                    
                                    
                                    Fluoroanisole series
                                    
                                    
                                    Fluoroaniline series
                                    
                                    
                                    Fluorophenylacetic acid series
                                    
                                    
                                    Fluorophenol series
                                    
                                    
                                    Fluorobenzoic acid series
                                    
                                    
                                    Fluoronitrobenzene series
                                    
                                    
                                    Fluoropyridine series
                                    
                                    
                                    Potassium fluoroborate series
                                    
                                    
                                    Fluorobenzyl alcohol series
                                    
                                    
                                    Fluorotoluene series
                                    
                                    
                                    Fluorine red series
                                    
                                    
                                    Fluoroethane series
                                    
                                    
                                    Fluoropropane series