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Polygonum Cuspidatum Extract Resveratrol

1.Used Part: Polygonum Cuspidatum Root
2.Active Ingredient: Trans-resveratrol
3.Specification: 30%-98%
4.Test Method: HPLC
5.Appearance: White Powder
6.Certifications:ISO9001,FSSC22000,cGMP,KOSHER,HALAL,VEGAN,FDA,ORGANIC(EU),ORGANIC(NOP)
7.Packing Size: 25kg/drum 8.Transportation: Courier, Air, Ocean
8.Delivery: Ready stock, Prompt and Secure Shipment
9.Our services:Customized production and packaging Delivery 10.Time: Within 2~3 working days after you order

Premium Polygonum Cuspidatum Extract Resveratrol | Natural Trans-Resveratrol Supplier

Shaanxi Hongda Phytochemistrystands as a trusted manufacturer and supplier of high-purity Polygonum Cuspidatum Extract Resveratrol, delivering exceptional value to global B2B partners. With over two decades of ability since 2001, we specialize in creating premium-grade Trans-Resveratrol extending from 50% to 98% virtue. Our state-of-the-art 20,000-square-meter office highlights 100,000-level decontamination workshops and progressed HPLC testing hardware, guaranteeing each clump meets universal quality benchmarks. We give you with thoroughly tried, Emodin-controlled extricates that unravel basic industry challenges: prevalent bioavailability, cost-effectiveness compared to aging strategies, and ensured naturality through Carbon-14 confirmation. Our Certifications counting cGMP, FSSC22000, HALAL, Legitimate, and Natural guarantee your details meet the strictest administrative prerequisites worldwide.

 

Resveratrol powder manufacturer

Our resveratrol is sourced from the roots of Polygonum cuspidatum, using ethanol extraction technology to extract high-purity trans-resveratrol. This bioactive stilbene polyphenol activates the SIRT1 life cycle pathway and balances AMPK signaling, resulting in comprehensive health benefits. Unlike synthetic products, our Polygonum cuspidatum root extract retains the complete botanical characteristics and is certified as a natural product. This fine white powder exhibits excellent stability under proper storage conditions, and its molecular size is optimized for a variety of applications. Our production strictly adheres to GMP standards, from raw material sourcing to final Packaging, ensuring consistent and reliable product quality. Trusted by formulators, it is suitable for use in anti-aging supplements, cosmeceuticals, and nutritional foods.

 

Third-Party Test Report

Authenticity Verification:We collaborate with globally recognized research facilities counting SGS and Eurofins to give comprehensive third-party approval. Carbon-14 testing affirms 100% bio-based carbon substance, recognizing our botanical extricate from manufactured petrochemical alternatives.

Safety Compliance:Our extricates experience thorough PAH testing to meet EU control 2015/1933 measures, with PAH4 levels underneath 10ppb and Benzo(a)pyrene beneath 2ppb. Overwhelming metal examination reliably appears lead beneath 3ppm, arsenic underneath 1ppm, and mercury less than 0.1ppm.

Purity Confirmation:HPLC analysis by accredited third-party labs validates Trans-Resveratrol content and confirms the critical Trans-to-Cis isomer ratio. Gas chromatography testing verifies solvent residues comply with USP <467> limits, ensuring formulation safety.

Microbial Standards:Independent microbiological testing confirms total plate counts, yeast, mold, and pathogen levels meet international dietary supplement standards, protecting your brand reputation.

laboratory

 

Polygonum Cuspidatum Resveratrol Specification

Products name
Resveratrol Extract
Use part
Root
ITEMS
SPECIFICATION
RESULT
METHOD
Assay(Resveratrol)
NLT 98%
98.35%
HPLC
Appearance
White or off-white powder
Conform
Visual
PHYSICAL CHARACTERISTICS
Loss on Drying
NMT 1%
0.49%
GB5009.3
Sulphated
NMT 0.5%
0.25%
GB5009.4
CHEMICAL CHARACTERISTICS
Heavy Metals(as Pb)
NMT 10ppm
Conform
GB5009.74
Arsenic (As)
NMT 2ppm
Conform
GB5009.11
Cadmium(Cd)
NMT 1ppm
Conform
GB5009.17
Mercury(Hg)
NMT 0.1ppm
Conform
GB5009.12
MICROBIOLOGICAL CHARACTERISTICS
Total Plate Count
NMT 1000cfu/g
Conform
GB4789.2
Total Yeast & Mold
NMT 100cfu/g
Conform
GB4789.15
E.Coli
Not Detected
Not Detected
GB4789.3
Salmonella
Not Detected
Not Detected
GB4789.4
Staphylococcus
Not Detected
Not Detected
GB4789.10
Conclusion
Qualified.

​​​​​​​Polygonum Cuspidatum Extract Resveratrol Advantages

Superior Purity Standards:Our extraction technology achieves up to 98% Trans-Resveratrol purity with strict Emodin control below 0.2%, eliminating unwanted laxative effects while maximizing bioactive compound concentration for your premium formulations.

Enhanced Bioavailability:Through advanced micronization technology, we produce particle sizes with D90 below 10μm, significantly improving dissolution rates and absorption profiles compared to standard mesh grades, directly addressing the compound's inherent low bioavailability challenge.

Verified Natural Origin:Carbon-14 testing certification distinguishes our plant-derived extract from synthetic alternatives, providing you with marketing authenticity and meeting consumer demand for natural ingredients in the growing clean-label market.

Photostability Protection:Our low-light processing environment preserves the bioactive Trans-isomer throughout production, preventing UV-induced conversion to less effective Cis-Resveratrol, ensuring your finished products maintain potency throughout shelf life.

Regulatory Compliance:With PAH levels far below EU limits and comprehensive heavy metal controls, our extract seamlessly integrates into global supply chains, reducing your regulatory risk across North American, European, and Asian markets.

 

Polygonum Cuspidatum Extract Resveratrol Application

Longevity & Anti-Aging Supplements:As a primary active ingredient in next-generation nutraceuticals, our Polygonum Cuspidatum Extract Resveratrol functions as a caloric restriction mimetic, activating SIRT1 pathways for cellular rejuvenation. Formulators combine it with NMN or CoQ10 in softgel delivery systems that overcome water solubility limitations.

Advanced Skincare Formulations:In cosmeceutical applications, our extricate represses tyrosinase more successfully than conventional brightening specialists, whereas securing dermal collagen from UV debasement. Microencapsulation innovation jam steadiness in serums and creams, anticipating isomerization amid item rack life.

Cardiovascular Wellbeing Products:The compound's capacity to tweak AMPK signaling makes it important in heart wellbeing details, ordinarily combined with omega-3s or CoQ10 for synergistic benefits supporting sound circulation and metabolic function.

Functional Beverages:Using nano-emulsion or cyclodextrin complexation, producers consolidate our extricate into recuperation drinks and wellness refreshments, conveying antioxidant benefits without precipitation or undesirable taste profiles.

 Polygonum Cuspidatum Extract Benefits

Production Process

Step 1 - Crude Fabric Selection:We source premium Polygonum cuspidatum roots from our certified planting bases where agronomists screen development conditions.Result:Only develop roots with ideal stilbene substance enter generation, building up quality from the source.

Step 2 - Cleaning & Preparation:Fresh roots experience intensive washing and controlled drying to protect dynamic compounds whereas diminishing dampness to indicated levels.Result:Clean, standardized feedstock prepared for effective extraction.

Step 3 - Ethanol Extraction:Prepared materials experience multi-stage ethanol extraction in our 100,000-level refinement workshops utilizing exact temperature and time parameters.Result:Maximum Trans-Resveratrol abdicate whereas minimizing Emodin co-extraction.

Step 4 - Concentration & Purification:Extract arrangement passes through concentration gear, taken after by progressed refinement methods counting tar adsorption and crystallization beneath controlled lighting.Result:High-purity concentrate with protected Trans-isomer integrity.

Step 5 - Splash Drying:Purified concentrate experiences shower drying in low-temperature, light-protected chambers to deliver fine powder.Result:Uniform molecule conveyance with ideal flowability and solidness characteristics.

Step 6 - Quality Testing:Every clump experiences comprehensive HPLC, GC, ICP-MS, and microbiological testing in our SGS-standard research facility some time recently release.Result:Certified quality assembly all COA determinations and administrative requirements.

Step 7 - Bundling & Storage:Finished powder gets double-layer PE pack security interior fiber drums, put away in climate-controlled warehouses.Result:Product astuteness kept up all through capacity and transportation to your facility.


OEM / ODM Support

Custom Detailing Development:Our group of over 20 professor-level R&D masters collaborates with you to create exclusive mixes combining resveratrol with complementary fixings like NMN, pterostilbene, or quercetin, making interesting advertise situating for your brand.

Flexible Conveyance Formats:We fabricate your determinations over different groups counting standard powder, micronized adaptations for improved bioavailability, oil suspensions for softgels, and incorporation complexes for fluid frameworks, coordinating your correct definition requirements.

Private Name Solutions:From concept to wrapped up item, we give comprehensive administrations counting steadiness testing, administrative documentation arrangement, and custom bundling plan, empowering quick advertise section with deductively approved formulations.

Scalable Generation Capacity:With 3,000-ton yearly yield capability and adequate stock over our 3,000-square-meter distribution center framework, we suit both trial orders and large-scale commercial generation, guaranteeing steady supply as your commerce grows.

Technical Documentation Support:We give total specialized dossiers counting determinations, expository strategies, steadiness information, and administrative compliance documentation, streamlining your item enrollment and quality confirmation forms over worldwide markets.

OEM service

Why Select Us

You merit a accomplice who gets it that quality starts at the source. Our three devoted planting bases guarantee traceability from soil to supplement, whereas our national high-tech venture status reflects nonstop advancement venture. With over 150 prepared specialists working 10+ present day generation lines, we provide the consistency that ensures your brand notoriety. Our comprehensive certification portfolio—including recently gotten cGMP and FSSC22000 in 2025—opens entryways to premium markets around the world. Not at all like brokers, we control each generation organize, advertising you coordinate producer estimating, quick reaction times, and customization adaptability. Our SGS-standard research facility prepared with HPLC, GC, and ICP-MS disobedient gives straightforwardness through point by point testing reports. When you accomplice with Hongda, you pick up more than a supplier—you get to two decades of phytochemical mastery committed to your victory.

Certifications

Frequently Asked Questions

Q: How do you ensure the extract is natural and not synthetic resveratrol?

A: We provide Carbon-14 testing certificates from accredited laboratories like Beta Analytic or Eurofins, confirming 100% bio-based carbon content. This distinguishes our botanical extract from petrochemical synthetic alternatives.

Q: What makes your Emodin control superior?

A: Our advanced purification process reduces Emodin to below 0.2% (premium grade) compared to industry standard <1%, eliminating potential laxative effects while maintaining high Trans-Resveratrol concentration.

Q: Can you provide samples for formulation testing?

A: Yes, we offer 20-100g samples in aluminum foil packaging. Contact our team to request samples with full COA documentation for your evaluation.

Q: What is your minimum order quantity?

A: Our standard MOQ is 25kg (one drum), though we accommodate smaller quantities for qualified research institutions and product development projects.

Q: How do you maintain Trans-Resveratrol stability during shipping?

A: We use double-layer PE bags inside fiber drums with desiccant packets, shipped in light-protected containers. Proper storage maintains stability for 24+ months when kept below 25°C away from direct light.


Contact Us

Ready to elevate your formulations with premium Polygonum Cuspidatum Extract Resveratrol

Get in touch today:

📧 Email:duke@hongdaherb.com

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