Polygonum Cuspidatum Extract

Polygonum Cuspidatum Extract

Product Name: Polygonum Cuspidatum Extract
Latin Name: Polygonum cuspidatum Sieb. et Zucc. Specification: 20%-98%Resveratrol Appearance: White fine powder MOQ: 1KG Sample: Free samples are available Advantage: 2 Factories,U.S. Office & Warehouse,Guaranteed after-sales service
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Description
Technical Parameters

Product Introduction

 

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Polygonum Cuspidatum Extract (Resveratrol) is a natural active ingredient extracted from the dried rhizome and root of Polygonum cuspidatum (or Reynoutria japonica), a perennial shrubby herbaceous plant in the family Polygonaceae. It is native to East Asia and widely cultivated in central and southern China, including Jiangsu, Jiangxi, Fujian, Shandong, Henan, Shaanxi, and Sichuan provinces.

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Resveratrol appears as colorless needle-like crystals, is sparingly soluble in water, and freely soluble in organic solvents such as ethanol and acetone.

 

It has a melting point of 256–257℃- and is unstable under alkaline conditions (pH > 10), turning pink or red.

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Common specifications for Polygonum Cuspidatum Extract (Resveratrol) include: 20%, 50%, 80%, 98%. Among these, 50% and 98% are the mainstream specifications on the market.

 

Custom specifications ranging from 5% to 99% are also available from some manufacturers.

 

Product Specification

 

Ratio/Assay

Test Method

Powder Color

20%-98%Resveratrol

HPLC

White fine powder

 

Product Analysis

 

Item

Specification

Product Name

Polygonum Cuspidatum Extract

Appearance

White fine powder

Moisture

5.0%

Ash

 5.0%

Heavy Metals

10ppm

Lead (Pb)

2 ppm

Arsenic (As)

 1 ppm

Mercury (Hg)

0.1 ppm

Cadmium (Cd)

 0.5 ppm

Total Plate Count

1000 cfu/g

Yeast & Mold

 100 cfu/g

E. coli

Negative

Salmonella

Negative

Packaging

25kg/drum or according to customer's requirements

Shelf Life

24 months

Storage

Store in a cool, dry place, keep away from strong light and heat.

 

Product Function & Application

 

Function:

1. Antioxidant Activity

Resveratrol is a potent natural antioxidant with significant antioxidant and free radical scavenging effects. Its antioxidant capacity helps protect cells from oxidative stress damage.

 

2. Cardiovascular Protection

Reduces blood viscosity and inhibits platelet aggregation

Promotes vasodilation and maintains healthy blood circulation

Lowers cholesterol levels

Anti-atherosclerotic effects; prevents coronary heart disease and ischemic heart disease

Helps prevent and treat hyperlipidemia

 

3. Anti-tumor Effects

Exhibits anti-tumor activity and may help prevent the occurrence and progression of cancer. Shows preventive effects against breast cancer, prostate cancer, endometrial cancer, and ovarian cancer.

 

4. Anti-inflammatory and Antimicrobial Effects

Possesses antibacterial, antiviral, anti-inflammatory, and anti-allergic properties. Demonstrates anti-inflammatory effects against gouty arthritis.

 

5. Other Benefits

Anti-aging: Antioxidant properties

Neuroprotection: Potential preventive effects against Alzheimer's disease

Skin Whitening: Inhibits tyrosinase activity, exhibiting skin whitening effects

Estrogenic Activity: Exhibits estrogen-like effects

 

 

Application:

1. Food Industry

Used as a food additive and nutritional fortifier

Applicable in functional foods and health foods

Promotes health and longevity

 

2. Pharmaceutical Industry

Used as a pharmaceutical ingredient or over-the-counter (OTC) component

Adjunctive treatment for cardiovascular diseases and cancer

Used in cardiovascular health supplements

 

3. Cosmetic Industry

Used in anti-aging skincare products

Provides UV protection

Exhibits skin whitening effects

Used in topical skincare formulations

 

4. Nutraceutical / Dietary Supplement Industry

Used in dietary supplements and nutritional health products

Used in metabolic syndrome intervention formulations

 

 

Application

 

 

 

 

Why Choose US?

 

Changsha Heking Bio-tech Co.,Ltd. entered into the plant extraction industry in 2008 and was established in 2011.

At Heking, we specialize in producing high-quality plant extracts, providing natural solutions for a wide range of industries,

including pharmaceuticals, cosmetics, food and beverage, and dietary supplements.

  1. Customer Satisfaction:We are committed to providing high-quality services that exceed our customers' expectations.
  2. Competitive prices: We offer competitive prices for our services without compromising on quality. Our prices are transparent, and we don't believe in hidden charges or fees.
  3. One-stop service: We promise to provide you with the fastest reply, the best price, the best quality, and the most perfect after-sales service.
  4. Fast delivery time: We choose high-quality raw materials.We have Stable product inventory and mass production within 7 days.
  5. Factories and warehouses: Our headquarters is in China and we have two professional plant extract factories. Besides, we also have an office and a warehouse in Los Angeles, USA.
  6. Quality assurance: Internationally authorized third-party testing for the products you need. We are cGMP, FDA, FSSC22000, Halal, ISO9001, Kosher, Organics certified.

 

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FSSC 22000

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ISO 9001

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USDA Organic

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EU Organic

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Halal

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Vegan Su

 
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Kosher
cGMP
cGMP
 

Our office

 

 

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Our factories

 

 

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Deliver & Shipping

 

We accept international express - Fedex/DHL/UPS, air and sea, we can ship all over the world, even to some remote areas, such as remote areas of Russia, countries near the North Pole and Antarctic.

 

Cargo weight

Packing

Shipping method

Lead-time

5-50kg

Below 5kg Use Foil bag;

5-50kg, Pack in paper-drums and two plastic-bags inside

International express

7-10days

100-200kg

25kg/drum,Pack in paper-drums and two plastic-bags inside

Air shipping

7-10days

Over 500kg

25KG/drum,Pack in paper-drums and two plastic-bags inside

Sea shipping

30-45days

 

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FAQ

Q1:Can I get some samples?

A:Yes, we can provide free samples, and you only need to pay the freight.

Q2:How to start orders or make payments?

A:After confirming your order, we will send you a proforma invoice with the bank information. The payment methods are as follows: Payment by T/T, Paypal, Check...

Q3:What's your MOQ?

A:Our MOQ is 1kg. But usually according to different products, the specific MOQ will vary.

Q4:What about the delivery time?

A: Within 7 days after receiving the payment.

Q5: Are there any discounts?

A: Different quantities have different discounts.

Q6: How do you handle quality complaints?

A: First, our quality control will reduce quality problems to close to zero. If there is indeed a quality problem caused by us, we will send you the goods for replacement or refund your loss free of charge.

 

 

 

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