L-Histidine is an essential amino acid for human development which the body cannot produce on its own. L-Histidine is one of the 22 proteinogenic amino acids. L-Histidine precursor to histamine and a component of carnosine.Specific Optical Rotation:+12.6 to +14.0ºLoss on Drying:≤0.2%Residue of Ignition:≤0.4%Heavy Metals:≤0.0015%Chloride:≤0.05%Individual Impurities:≤0.5%Iron:≤0.003%pH:7.0-8.5Sulfate:≤0.03%Total Impurities:≤2%Storage: Store at RT
