Analysis

Specification

Appearance

Yellow Brown  fine powder

Odor

Characteristic

Taste

Characteristic

Assay (Resveratrol)

≥20.0%

Testing Method

HPLC

Loss on Drying

≤5.0%

Sieve analysis

Polygonum Root Extract Powder00% pass 80 mesh

Bulk Density

45-55g/Polygonum Root Extract Powder00mL

GMO Free

None

Extract Solvent

Alcohol & Water

Heavy Metal

<20ppm

As

<2ppm

Residual Solvents

Eur.Pharm.2000

Microbiology

Total Plate Count

<5000cfu/g

Yeast & Mold

E.Coli

Negative

Salmonella

Negative

Irradiated

None

Storage

Store in cool & dry place. Keep away from strong light and heat.

Shelf life

2 years when properly stored