Gemsen can provide you best Rhodiola Rosea Extract with best quality and reasonable pricel.

-Rosavin: 1% ~ 10% tested by HPLC
-Rosavins: 1% ~ 15% tested by HPLC
-Salidroside: 1% ~ 10% tested by HPLC

Appearance          Fine Powder
Odor & taste        Characteristic

Color                    Red brown

Identification        Identical to R.S.sample

Loss on Drying      no more than 5.0%

Total ash               no more than 10.0%

Sieve analysis       90% through 80 mesh

Bulk density          40~60g/100mL

Lead(Pb)               no more than 3.0 mg/kg

Arsenic(As)           no more than 2.0 mg/kg

Cadmium(Cd)        no more than 2.0 mg/kg

Mercury(Hg)          no more than 0.1 mg/kg

Total Plate Count  no more than 1000cfu/g

Yeast & Mold         no more than 100cfu/g

E.Coli                    negative

Salmonella            negative