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Kingherbs Limited

Resveratrol, Polygonum Cuspidatum Extract, Plant Extract manufacturer / supplier in China, offering Natural Extract Resveratrol 25%- 98% by HPLC, Hot Sale Chicory Extract Lnulin 90%, 95% by HPLC, Citrus Aurantium Extract Neohesperidin 96% by HPLC and so on.

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Supplier Homepage Product Plant Extract Natural Extract Resveratrol 25%- 98% by HPLC

Natural Extract Resveratrol 25%- 98% by HPLC

Purchase Qty.:
1-49 50-99 100-499 500+
FOB Unit Price: US $200 US $190 US $180 US $160
Purchase Qty. (kg) FOB Unit Price
1-49 US $200
50-99 US $190
100-499 US $180
500+ US $160
Get Latest Price
Production Capacity: 5000kgs
Transport Package: 25kgs/Drum
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: CAS NO.: 501-36-0
  • Assay Method: HPLC
  • Application: Food, Health Care Products, Medicine
  • Extract Source: Root
  • Trademark: KINGHERBS
  • Origin: China
  • Certification: ISO, FDA
  • Application Form: Injection, Paste, Tablet, Capsule
  • State: Powder
  • Resveratrol: 25%, 50%, 85%, 98% by HPLC;
  • Specification: ISO 9001, Kosher Certificate
  • HS Code: 2939999090
Product Description
Polygonum Cuspidatum Extract

Plsease kindly contact the product expert & sales director Ms. Monica Xiong

Botanical Source: Polygonum cuspidatum; Reynoutria sachalinense
Part used: Root
CAS No.: 501-36-0
Specifications: Resveratrol 25%, 50%, 85%, 98% by HPLC;

The protophyte of Polygonum is regarded as rhizome and root of Polygonum cuspidatum Sieb. Et Zucc., perennial herbaceous, being one of the Chinese medicinal herbs most in use in ancient China. Resveratrol can lower levels of the amyloid-beta peptides that cause the plaques in the brain leading to Alzheimer's disease. Resveratrol may also be effective in fighting other human amyloid-related diseases such as Huntington's, Parkinson's and prion diseases.

Anti-cancer; Anti-aging;
Anti-platelet aggregation; Anti-viral and anti-bacteria;
Prevent cardiovascular disease; Prevent bronchitis;
Anti-dementia; Anti-inflammatory; Reduce cholesterol.
Analysis ItemsSpecificationsResults Methods used
AppearanceFine White Powder ConformsVisual test
Odor & TasteCharacteristic, LightConformsOrganoleptic test
Bulk Density30-45 g/100mlConformsDensity Meter
Particle SizeNLT 100% through 80 MeshConforms80 Mesh Screen
SolubilityClear faint yellow solution at 50mg/ml in acetoneConformsVisual
AssayNLT 98% Trans-Resveratrol98.70%HPLC
NMT 0.3% Cis-Resveratrol0.05%
NMT 0.01% cis-Resveratrol-3-O-glucoside0.0030%
NMT 0.5% Emodin0.0010%
Loss on DryingNMT 1.0%0.36%5g /105ºC /2hrs
Ash ContentNMT 1.0%0.06%2g /525ºC /3hrs
Extract SolventsEthanol & WaterConforms/
Solvent ResiduesNMT 0.05%ConformsUSP-GC
Heavy MetalsNMT 5ppmConformsAtomic Absorption
Arsenic (As)NMT 0.5ppm0.01ppmAtomic Absorption
Lead (Pb)NMT 0.5ppm0.16ppmAtomic Absorption
Cadmium (Cd)NMT 0.05ppm0.01ppmAtomic Absorption
Mercury(Hg)NMT 0.05ppm0.02ppmAtomic Absorption
666NMT 0.1ppmConformsUSP-GC
DDTNMT 0.5ppmConformsUSP-GC
AcephateNMT 0.2ppmConformsUSP-GC
 NMT 0.2ppmConformsUSP-GC
Parathion-ethylNMT 0.2ppmConformsUSP-GC
PCNBNMT 0.1ppmConformsUSP-GC
 NMT 0.2ppbAbsentUSP-HPLC
Microbiological DataTotal Plate Count <1000cfu/g< 200 cfu/gGB 4789.2
Total Yeast & Mold < 100cfu/g< 40 cfu/g GB 4789.15
E. Coli to be absentAbsentGB 4789.3
Staphylococcus to be absentAbsentGB 4789.10
Salmonella to be absentAbsentGB 4789.4
Packing and StoragePacked in fiber drum, LDPE bag inside. Net weight: 20kgs/drum. 
Keep tightly sealed, store away from moisture, strong heat and sunlight.
Shelf Life2 years if sealed and stored in the recommended conditions.

- We can also customize orders as customer's requirements and specifications.
- KINGHERBS' is specialized in manufacturing and exporting different kinds of food industry related goods, such as Inulin (90% or 98%), Myricetin, Sea Buckthorn Oil, Green Coffee Bean Extract Total Chlorogenic Acids, Fenugreek Seed Extract Furostanol Saponins 50% etc.
- With the effective exporting system and prompt reaction, we ensure that we can transfer the shipping documents and deliver our cargos on time.

* Herbal extracts
* Softgels
* Herbal oil
* Natural colors
* Herb powders
* Vegetable & Fruit powder
* Vitamins
* Minerals

Kingherbs Limited
Plsease kindly contact the product expert & sales director Ms. Monica Xiong

Natural Extract Resveratrol 25%- 98% by HPLC
Natural Extract Resveratrol 25%- 98% by HPLCNatural Extract Resveratrol 25%- 98% by HPLC
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Ms. Monica Xiong
Sales Director
To: Ms. Monica Xiong

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