Jiangsu Chrysanthemum Goumet Powder Group Co., Ltd(branch factory:Zhangjiagang Chrysanthemum Amino Acid Co.,Ltd.) is the biggest manufacturer of L-Proline in China. Our company is the earliest manufacturer of L-Proline.
Packing:25kg/drum
Item:Specific Rotation[|á]20D -84.5?? to -86.0??
State of Solution Clear and color less
(Transmittance) Not less than 98.0%
Chloride(Cl) Not more than 0.020%
Ammonium(NH4) Not more than 0.02%
Sulfate(SO4) Not more than 0.020%
Iron(Fe) Not more than 10PPM
Heavy metals(Pb) Not more than 10PPM
Arsenic(As2O3) Not more than 1PPM
Other amino acids Chromatographically not detectable
Loss on drying Not more than 0.30%
Residue on ignition(Sulfated) Not more than 0.10%
Assay 98.5% to 101.0%
PH 5.9 to 6.9