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[α]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