Appearance

White to off-white fine powder

Bulk Density

≥0.25g/ml

Tapped Density

≥0.30g/ml

Particle size

35% through 80 Mesh

Loss on drying

≤1.0%

Heavy metals(Pb)

≤10ppm

Lecithin

0.5%～1.0%

Assay（TLC）

≥95%

Leucine Content(HPLC)

55-70%

Isoleucine Content(HPLC)

12.0～20%

Valine Content(HPLC)

12.0～20%

Total plate count

≤3000cfu/g

Yeast and Moulds

≤300cfu/g

E.Coli

Negative

Salmonella

Negative/25g

Staphylococcus aurous

Negative/25g