L-Histidine Functions and Usage
1.It is important for the synthesis of red and white blood cells.
2.It is a precursor for histamine which is good for sexual arousal.
3.It can improve blood flow. Side effects of high dosage of histidine include stress and anxiety.
Description |
White crystals or crystalline powder |
Identification(IR) |
concordant with the reference spectrum |
assay |
99.0~101.0% |
PH |
7.0~8.5 |
Specific rotation[a]D20 |
+12.0°~+12.8° |
State of solution (Transmittance T430) |
clear & colorless ≥98.0% |
Chloride(Cl) |
≤0.02% |
Ammonium(NH4) |
≤0.02% |
Sulfate(SO4) |
≤0.02% |
Iron(Fe) |
≤10ppm |
Heavy metals(Pb) |
≤10ppm |
Arsenic(As) |
≤1ppm |
Other amino acids |
conforms |
Loss on drying |
≤0.20% |
Residue on ignition |
≤0.10% |
