Description: A white or almost white, crystalline powder
Identification: 1. IR 2. Chemical reaction
Specific optical rotation: +250°~ +295°
PH : 5.0~7.5
Ignition Residue::≤0.5%
Water: 6.0%~9.0%
Pb:≤2mg/kg
Heavy Metals: ≤10mg/kg
Total Aerobic Viable Count:≤100cfu/g
Total combined yeast & mold count:≤10cfu/g
Residual solvents Ethanol ≤5000ppm
Grain size: 90% below 10 micron, 100% below 25 micron
Assay(HPLC): NLT90.0～102% of Natamycin (on anhydrous substance)