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# Conforms to AJI92/ FCCIV
# Amino Acid Food Additive L-Hydroxyproline
Item | Specification |
Standard | AJI92/FCCIV |
Appearance | White crystal or crystalline powder |
Identification | conform |
State of solution | 95.0% min |
pH | 5.0-6.5 |
Specific rotation | -74.0º~-77.0º |
Chloride (Cl-) | 0.020% max |
Sulfate (SO42-) | 0.020% max |
Ammonium (NH4+) | 0.020% max |
Heavy metals (Pb) | 10ppm max |
Iron (Fe) | 10ppm max |
Arsenic (AS2O3) | 1ppm max |
Other amino acids | conform |
Loss on drying | 0.20% max |
Residue on igniton | 0.10% max |
Assay | 98.5%~101.0% |