Items L-Isoleucine | Standard |
Appearance | White crystals or crystalline powder |
Assay, % | 98.5-101.5 |
PH | 5.5-7.0 |
Specific rotation | +38.9°~ +41.8° |
Loss on drying, % | ≤0.30 |
Residue on ignition, % | ≤0.30 |
Chloride | ≤500ppm |
Sulfate | ≤300ppm |
Heavy metals | ≤15ppm |
Iron | ≤30ppm |
Total plate count | ≤2000cfu/g |
Yeast and Molds | ≤100cfu/g |
E.Coli | ≤30MPN/g |
Salmonella | Negative in 10g |
Yeast and Molds | ≤100cfu/g |
E.Coli | Negative in 10g |
Salmonella | Negative in 10g |