Analysis

Specification

Testing Method

Appearance

Yellow fine powder

Visual

Odor

Characteristic

Organoleptic

Taste

Characteristic

Organoleptic

Assay (Diosgenine )

≥20.0%

HPLC

Loss on Drying

≤5.0%

5g/105°C/2 hrs

Sieve analysis

100% pass 80 mesh

80 Mesh Screen

Bulk Density

45-65g/100mL

Density Meter

Extract Solvents

Water & Alcohol

Heavy Metal

Less than20ppm

AAS

As

Less than2ppm

AAS

Residual Solvents

Eur.Pharm.2000

GC

Microbiology

Total Plate Count

Less than1000cfu/g

AOAC

Yeast & Mold

Less than100cfu/g

AOAC

E.Coli

Negative

AOAC

Salmonella

Negative

AOAC