Product Name Polygonum Cuspidatum Extract Batch Number 20160601
Latin Name Polygonum Cuspidatum Sieb.et Zucc Quantity 278kg
Part Used Dried root Manufacture Date 05/06/2016
Extract Solvent Ethanol ＆Water Report Date 09/06/2016
Item Specification Result Test Method
Active Ingredeints
Assay（Based On Wet） Resveratrol≥98% 98.08% HPLC
Physical Control
Appearance Fine Powder Complies Visual
Color White Complies Visual
Odor &Taste Characteristic Odor &Taste of Ginseng Complies Organoleptic
Loss on Drying NMT 5.0% 4% ChP2015
Ash NMT 3.0% 2.1% ChP2015
Particle Size NLT 100% Through 100 mesh Complies ChP2015
Bulk Destiny 40-60g/100ml 56g/100ml ChP2015
Identification TLC Positive Complies ChP2015
Chemical Control
Total Heavy metals NMT10mg/kg Complies Atomic Absorption
Lead（Pb） NMT 2 mg/kg Complies Atomic Absorption
Arsenic（As） NMT 1mg/kg Complies Atomic Absorption
Mercury（Hg） NMT 0.1 mg/kg Complies Atomic Absorption
Cadmium（Cd） NMT 0.1 mg/kg Complies Atomic Absorption
Microbiological Control
Total Plate Count NMT 1000cfu/g Complies AOAC
Yeast & Mold NMT 50cfu/g Complies AOAC
E. Coli. NMT 40cfu/g Negative AOAC
Salmonella NMT 10cfu/g Negative AOAC
Packing、Storage and Shelf Life
Packing Inner packing with two layers of plastic bag，outer packing with 25kg Cardboard drum.
Storage Store in a well-closed container away from moisture and direct sunlight.
Shelf Life 2 years if sealed and stored properly.
