Description

White crystals or crystalline powder

Assay（titration）

≥95%

L-Leucine Content

78.0%～88.0%

L-Valine Content

6.0%～11.0%

L_Isoleucine Content

6.0%～11.0%

Lecithin

0.3%～1.0%

Bulk Density

≥0.25g/ml

Tapped Density

≥0.4g/ml

Loss on drying

≤1.0%

Residue on ignition

≤1.0%

Heavy metals

≤10ppm

Arsenic(As)

≤1.00ppm

Lead （Pb）

≤0.30ppm

Cadmium（Cd）

≤1.00ppm

Mercury（Hg）

≤0.10ppm

Total Plate Count

≤1000cfu/g

Yeast and Molds

＜100 cfu/g

Escherichia coli           

Negative

Salmonella Species

Negative/25g

Staphylococcus aureus        

Negative/25g