95% Quercetin Sophora Japonica

Item

Specification

Method               Result

Appearance

Fine Powder 

Organoleptic          Conforms

Color 

Yellow powder

Organoleptic          Conforms

Odour

Characteristic

Organoleptic          Conforms

Mesh Size

Drying Method

100% through 80% mesh size

spray drying

USP32<786>          Conforms   

spray drying         Conforms

Ash 

Loss on Drying       

≤5.0%

≤5.0%

Eur.Ph.6.0[2.4.16]       3.26%

Eur.Ph.6.0[2.4.16]       4.39%

Contaminants

Pesticides Residue

Meet USP32<561>

USP32<561>           Conforms

Lead(Pb)

≤0.5mg/kg

Eur.Ph6.0<2.2.58>ICP-MS     2.0

Arsenic(As)

≤2.0mg/kg

Eur.Ph6.0<2.2.58>ICP-MS     1.7

Cadmium(Cd)

≤1.0mg/kg

Eur.Ph6.0<2.2.58>ICP-MS     0.8

Mercury(Hg)

≤0.1mg/kg

Eur.Ph6.0<2.2.58>ICP-MS     0.06

Microbiological

Total Plate Count

≤1000cfu/g

USP30<61>                 120

Yeast &Mold

≤100cfu/g

USP30<61>                 38

E.Coli.

Negative

USP30<62>             Conforms

Salmonella

Negative

USP30<62>             Conforms