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Taxifolin Dihydroquercetin

1、English Name:Vitamin P/Dihydroquercetin/(2r,3r)-Dihydroquercetin/Taxifolin
2、Specification:99%
3、Appearance: White to Light Yellow Powder
4、CAS NO.:480-18-2
5.Main Market: European, North America, Asia
6.Packing specification: 25kg/drum, 27 drums/tray
7.Delivery: 3~7working days.
8.Certification: Kosher,Halal,BRC,Organic,FDA,ISO9001,ISO22000 etc.

Taxifolin Dihydroquercetin Extract Powder - Premium Antioxidant Solution for Nutraceutical and Cosmetic Applications

Shaanxi Hongda Phytochemistry Co., Ltd. stands as a leading manufacturer and supplier of high-purity Taxifolin Dihydroquercetin, offering you unmatched advantages in raw material quality and supply reliability. We have more than 20 years of experience since 2001. Our contemporary workshop covers an area of 20,000 square meters, equipped with SGS-certified labs and 100,000-level purification workshops, allowing us to provide goods with 99% purity. When you join with us, you get extensive third-party testing, tight quality traceability, and yearly production capacity beyond 3,000 tonnes. Our solution offers your firm a clean-label natural antioxidant to overcome key formulation issues including lipid peroxidation avoidance, prolonged shelf-life and improved bioavailability.

 

Taxifolin Supplier

Taxifolin powder is a premium bioactive flavanonol from Siberian Larch or Douglas Fir chemically defined by CAS number 480-18-2. This fine, white to light yellow crystalline powder is characterised by remarkable stability and better free radical scavenging properties than typical antioxidants. Melting point: 238-242°C. Molecular weight: 304.25 g/mol. An important component of ‘Vitamin P’ for the health of capillaries. Unlike its structural relative Quercetin, this chemical has low mutagenic effects and delivers potent oxidative stress control.

dihydroquercetin, Taxifolin

Third Party Test Report

Certified Quality Assurance: We test and certify our goods with well-recognized international organisations such as SGS and Eurofins, which ensures transparency and conformity with worldwide standards.

Pesticide residual Analysis: Full screening means your batches satisfy the residual limitations set by EU, USDA and FDA, safeguarding your brand image in sensitive markets.

Heavy Metal Testing: All lots are tested for lead, arsenic, cadmium and mercury by atomic absorption. Safety levels are below 10ppm total heavy metals.

Microbiological Safety Total plate count, yeast, mould, E.coli, and Salmonella testing confirms pharmaceutical-grade cleanliness acceptable for direct consumption.

laboratory

Product specification

ITEM
STANDARD
TEST RESULT
Specification/Assay
≥98.0%
99.21%
Physical & Chemical
Appearance
White to Light Yellow Powder
Complies
Odor & Taste
Characteristic
Complies
Particle Size
≥95% pass 80 mesh
Complies
Loss on Drying
≤5.0%
2.55%
Ash
≤1.0%
0.54%
Heavy Metal
Total Heavy Metal
≤10.0ppm
Complies
Lead
≤2.0ppm
Complies
Arsenic
≤2.0ppm
Complies
Mercury
≤0.1ppm
Complies
Cadmium
≤1.0ppm
Complies
Microbiological Test
Microbiological Test
≤1,000cfu/g
Complies
Yeast & Mold
≤100cfu/g
Complies
E.Coli
Negative
Negative
Salmonella
Negative
Negative
Conclusion
The product meets the testing requirements by inspection.
Packing
Double food grade plastic-bag inside, aluminum foil bag or fiber drum outside.
Storage
Stored in cool and dry places. Keep away from strong light and heat.
Shelf Life
24 months under the above condition.


Taxifolin Dihydroquercetin Advantages

Exceptional Antioxidant Performance: Offering ORAC levels higher than Vitamin E and C, this component gives unparalleled protection against oxidative deterioration in your products.

Enhanced Bioavailability: Its unique solubility in ethanol, glycols and hot water allows its integration in a wide range of delivery methods including tablets, capsules and liquids without the need for complicated carriers.

Metal Chelation Properties : Effectively chelates Fe2+ and Cu2+ ions to avoid Fenton reactions that destabilise products during storage and distribution.

Excellent Safety Profile Non-mutagenic properties allow its usage in long-term supplementing programs and delicate cosmetic applications for everyday consumer use.

Taxifolin benefits

Application of Taxifolin Dihydroquercetin

Functional Food Preservation : Exhibits chain-breaking antioxidant activity in edible oils and dairy products, prolonging shelf-life by 2-3 times without any sensory modification.

Cosmeceutical Formulations, Anti-Aging Serums: Inhibits tyrosinase activity for skin lightening and scavenges UV-induced reactive oxygen species.

Cardiovascular Supplements: Capillary-protective actions along with Vitamin C, synergistic effects on blood viscosity reduction and support for post-viral recovery.

Respiratory Health Products. Taxifolin Dihydroquercetin in tablets and soft gels to improve microcirculation for control of hypertension and vascular integrity.

Dihydroquercetin benefits


Production Process

Step 1 - Raw Material Selection: We source certified Larix sibirica bark from our controlled planting bases, with agronomists conducting pre-harvest quality assessments. This ensures optimal flavonoid concentration before processing begins.

Step 2 - Extraction Operation: Advanced ethanol extraction systems operate under precise temperature and pressure controls, efficiently isolating bioactive compounds. The result is maximum yield while preserving molecular integrity.

Step 3 - Purification Refinement: Multi-step chromatography in our 100,000 level clean workshops to eliminate contaminants and tree resins. This results in pharmaceutical grade purity >99% validated by HPLC.

Step 4 - Quality Verification: SGS laboratory specialists conduct extensive testing including optical rotation, residual solvents and microbiological screening. Only those batches are packed which are under international norms.


OEM / ODM Assistance

Custom Formulation Development: Together with you, our R&D team of more than 20 professors develops unique mixtures of our ingredient and active substances with a synergistic effect that are customised to your market position.

Flexible Dosage Forms: We provide a wide range of delivery methods including soft capsules, tablets, premixed powders and instant drinks to fulfil your individual consumer needs.

Brand Packaging Solutions: You may choose from basic 25kg drums or entirely bespoke retail packaging choices such as bottles, sachets and blister packs decorated with your branding elements.

Regulatory Documentation Get full COAs, allergy declarations and copies of Certifications for simplified product registration in North America, EU and Asian markets.

OEM Servicde

Why Choose Us

Shaanxi Hongda combines raw material excellence with manufacturing reliability proven across 23 years. Our facility holds HALAL, KOSHER, cGMP, FSSC22000, ISO9001, and ORGANIC certifications demonstrating operational excellence. You benefit from our 3,000-square-meter warehouse maintaining ready inventory for 3-7 day delivery windows. With professor-led innovation teams and national high-tech enterprise status, we continuously advance extraction technologies ensuring your competitive advantage. Our traceability systems track every batch from planting base through final shipment, giving you complete supply chain transparency.

Certification

FAQ

Q: What makes your product different from standard Quercetin?

A: Our chemical has an unsaturated C2-C3 link therefore there are no mutagenesis issues and it has greater antioxidant activity making it safer for long term consumption.

Q: Can you provide organic certification?

A: Yes, we have both ORGANIC (EU) and ORGANIC (NOP) certifications. We can provide traceability documents upon request.

Q: What is your minimum order quantity?

A: We have a minimum order of 1kg for first trial with volume discount for bulk buy above 100kgs.

Q: How do you ensure batch consistency?

A: Every production run undergoes standardized HPLC fingerprinting against reference standards, with optical rotation verification confirming natural stereochemistry.

Contact Us

Ready to elevate your product formulations with premium quality Taxifolin Dihydroquercetin? Our technical team is available to discuss your specific application requirements and provide customized solutions.

Email: duke@hongdaherb.com 

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