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Kingherbs Limited

Resveratrol, Polygonum Cuspidatum Extract, Plant Extract manufacturer / supplier in China, offering Pure Natural Polygonum Cuspidatum Extract - Resveratrol 98% by HPLC, High Quality Cistanche Tubulosa Extract, Magnolia Bark Extract Magnolol, Honokiol and Biphenol and so on.

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Pure Natural Polygonum Cuspidatum Extract - Resveratrol 98% by HPLC

Purchase Qty.:
25-49 50+
FOB Unit Price: US $256 US $250
Purchase Qty. (kg) FOB Unit Price
25-49 US $256
50+ US $250
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Port: Changsha, China
Production Capacity: 5000kgs
Payment Terms: T/T, Paypal

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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
  • Plant Parts Used: Root,100% Natural
  • Odor & Taste: Characteristic, Light
  • Particle Size: Nlt 100% Through 80 Mesh
  • Transport Package: 25kgs/Drum
  • Origin: China
  • Certification: ISO, FDA
  • Application Form: Injection, Paste, Tablet, Capsule
  • State: Powder
  • Botanical Source: Polygonum Cuspidatum
  • Appearance: Fine White Powder
  • Bulk Density: 30-45 G/100ml
  • Trademark: KINGHERBS
  • Specification: ISO 9001, Kosher Certificate
  • HS Code: 2938909090
Product Description
Polygonum Cuspidatum Extract

Botanical Source: Polygonum cuspidatum; Reynoutria sachalinense
Part used: Root
CAS No.: 501-36-0
Specifications: Resveratrol 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.

Pure Natural Polygonum Cuspidatum Extract - Resveratrol 98% by HPLC
Pure Natural Polygonum Cuspidatum Extract - Resveratrol 98% by HPLCPure Natural Polygonum Cuspidatum Extract - Resveratrol 98% by HPLC
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