Comext Wholesale Giant Knotweed Extract 98% Bulk Trans Resveratrol Powder

• Certification: ISO, Kosher, Halal, Organic, Fssc
• Assay Method: HPLC
• Application Form: Lotion, Tablet, Capsule
• Application: Food, Health Care Products, Medicine
• State: Powder
• Extract Source: Rhizome
• Model NO.: KNOTWEED-2
• Botanical Name: Polygonum Cuspidatum
• Appearance: Yellow Brown to off White Knotweed Extract Powder
• Used Part: Rhizome
• Active Ingredient: Natural Resveratrol
• Standard: Meet USP/Ep
• Function: Natural Antioxidant
• Us Warehouse: According to Your Demand
• Sample: 10-20g Free Samples
• Solvent Residue: <5000ppm
• PAHs: <50ppb
• Identification: Conform with Standard
• Transport Package: 25kg/Drum
• Specification: 50% 98% Resveratrol
• Trademark: Comext
• Origin: China
• HS Code: 130219
• Production Capacity: 10t Per Month

Product Description

Product Description

Giant knotweed is widely grown throughout Japan and is foraged as a wild edible vegetable. The root of Polygonum cuspidatum, were widely used in traditional Chinese and Japanese medicine. It is also known to be a rich source of resveratrol, which is a natural polyphenol. Emodin, physcion, citreorosein, rhein, fallacinol, questin, phenylpropanoides , polyphenols, and tannins are major active components present in this root. It is a good source of reveratrol, and carotenoids that act as a potent antioxidant that minimizes the effect of harmful oxidative stress. It is good for the heart, and gastrointestinal tract health.

 

Specification

Item	Specification
General Information
Products Name	Giant Knotweed Extract
Botanical Name	Polygonum Cuspidatum
Part Used	Rhizome
Physical Control
Appearance	Yellow-brown to off white powder
Identification	Conform with standard
Odor&Taste	Characteristic
Loss on Drying	≤5.0%
Ash	≤5.0%
Particle Size	NLT 95% Pass 80 Mesh
Chemical Control
Resveratrol	50% 98% HPLC
Total Heavy Metals	≤10.0ppm
Lead(Pb)	≤3.0ppm
Arsenic(As)	≤2.0ppm
Cadmium(Cd)	≤1.0ppm
Mercury(Hg)	≤0.1ppm
Solvent residue	<5000ppm
Pesticide residue	Meet USP/EP
PAHs	<50ppb
BAP	<10ppb
Aflatoxins	<10ppb
Microbial Control
Total Plate Count	≤1,000cfu/g
Yeast&Molds	≤100cfu/g
E.Coli	Negative
Salmonella	Negative
Stapaureus	Negative
Packing and Storage
Packing	Packing in paper-drums and double food-grade PE bag inside. 25Kg/Drum
Storage	Store in a well-closed container away from moisture and direct sunlight, room temperature.
Shelf Life	2 years if sealed and stored properly.

 

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