Engelhardtia Roxburghiana Extract
Botanical Source: Engelhardtia roxburghiana Wall.
Appearance:Fine yellow to off-white Powder
Plant Part Used: leaf
Specification:
Taxifolin 70%-98%
Certifications: ISO9001, FSSC22000, KOSHER, HALAL, HACCP, FDA
Packing Size: 25kg/drum
Transportation: Courier, Air, Ocean
MOQ: sample and small kgs trial order available, commercial order MOQ 25kg
Delivery: Ready stock, Prompt shipment
- Free Samples
- Quality Assurance
- 24/7 Customer Service
Product Introduction
What is Engelhardtia Roxburghiana Extract?
Kingherbs' Engelhardtia Roxburghiana Extract is standardized to convey taxifolin (dihydroquercetin) at concentrations traversing 70% to 98%, affirmed by means of HPLC chromatography. Sourced from the clears out of Engelhardtia roxburghiana Divider., this extract gives a controlled supply of flavonoids—primarily astilbin, engeletin, and taxifolin—that address irritation, glycation, and oxidative stretch pathways. With a work measure passing 80 work, misfortune on drying underneath 5%, and dissolvability optimized for both aqueous-glycol and ethanolic frameworks, it coordinating dependably into definitions over cosmeceuticals, nutraceuticals, and utilitarian refreshments. Since 1996, we have kept up traceability from planting base to last powder, guaranteeing batch-to-batch consistency.

Engelhardtia Roxburghiana Extract COA
| Product Name | Engelhardtia Roxburghiana Extract | Batch Number | |||||
| Botanical Source | Engelhardia roxburghiana Wall | Batch Quantity | 50kg | ||||
| Plant Parts Used | Leaf, 100% Natural | Country of Origin | China | ||||
| Type of Products | Standard Extract | Active Ingredient Markers | Taxifolin | ||||
| Analysis Items | Specifications | Results | Methods used | ||||
| Appearance | Fine yellow powder | Conforms | Visual test | ||||
| Flavor and Odor | Characteristic | Conforms | Visual test | ||||
| Particle Size | NLT 95% through 80 Mesh | Conforms | 80 Mesh Screen | ||||
| Assay | NLT 70% Taxifolin | 70.30% | HPLC | ||||
| Loss on Drying | NMT 5.0% | 3.72% | GB/T 5009.3 | ||||
| Ash | NMT 5.0% | 0.13% | GB/T 5009.4 | ||||
| Extract Solvents | Grain Alcohol & Water | Conforms | / | ||||
| Heavy Metals | NMT 10ppm | Conforms | ICP-MS | ||||
| Arsenic (As) | NMT 2ppm | Conforms | ICP-MS | ||||
| Lead (Pb) | NMT 2ppm | Conforms | ICP-MS | ||||
| Cadmium (Cd) | NMT 1ppm | Conforms | ICP-MS | ||||
| Mercury(Hg) | NMT 0.1ppm | Conforms | ICP-MS | ||||
| Microbiological Data | Total Plate Count < 1,000 cfu/g | < 300 cfu/g | GB 4789.2 | ||||
| Total Yeast & Mold < 100 cfu/g | < 70 cfu/g | GB 4789.15 | |||||
| E. Coli <3MPN/g | Negative | GB 4789.3 | |||||
| Staphylococcus to be negative | Negative | GB 4789.4 | |||||
| Salmonella to be absent | Absent | GB 4789.10 | |||||
| Packing and Storage | Packed in fiber drum, LDPE bag inside. Net weight: 1kg/drum, 5kg/drum,10kg/drum,25kg/drum. | ||||||
| Keep tightly sealed, store away from moisture, strong heat and sunlight. | |||||||
| Shelf Life | 2 years if sealed and stored in the recommended conditions. | ||||||
Each COA ships with clear HPLC chromatograms and full traceability documentation.
Engelhardtia Roxburghiana Extract Benefits
1. Anti-Inflammatory Action
Flavonoids in this Engelhardtia Roxburghiana Extract—especially engeletin and astilbin—suppress pro-inflammatory cytokines (TNF-α, IL-1β, COX-2) by blocking the TLR4-mediated NF-κB pathway. Cell considers approximately outline dose-dependent diminishes in provocative markers.
2. Anti-Glycation & Collagen Protection
By repressing non-enzymatic protein glycosylation, the extract jam Sort I collagen and elastin. This makes it important for definitions focusing on skin yellowing, wrinkle arrangement, and metabolic sugar stress.
3. Blood-Sugar Modulation
In vitro and in vivo investigate demonstrates that astilbin and related compounds may progress affront affectability and diminish postprandial glucose spikes, supporting anti-diabetic formulations.
4. Anti-Allergic Properties
Flavonoid glycosides adjust mast-cell degranulation and histamine release, publicizing potential for customary affectability back and skin-calming applications.
5. Antioxidant Defense
Polyphenols and triterpenoids scrounge free radicals, reducing oxidative extend and supporting cellular adaptability in high-stress situations.

Engelhardtia Roxburghiana Extract Applications
Cosmeceuticals & Skincare
- Anti-Glycation Serums: Luxury brands solidify 0.5–2.0% concentrations to expect AGEs-induced collagen cross-linking.
- Post-UV Repair: Points of interest decrease MMP expression after sun presentation, guaranteeing elastin integrity.
- Brightening Things: Addresses sallowness and uneven tone caused by metabolic glycation.
Nutricosmetics & Dietary Supplements
- Oral Greatness Capsules: Passes on systemic anti-glycation benefits when combined with collagen peptides or hyaluronic acid.
- Metabolic Prosperity Blends: Coordinated with chromium, berberine, or cinnamon extract for blood-sugar management.
- Anti-Inflammatory Stacks: Reinforces joint reassurance and cardiovascular wellness in softgel or tablet formats.
Functional Beverages
- Ready-to-Drink (RTD) Wellness Shots: Breaks down beneficially in propanediol-glycol bases for clean-label hydration products.
- Beauty Waters: Combines with collagen and vitamin C for drinkable skincare designs.

Certifications
- ISO9001: Quality administration system
- FSSC22000: Nourishment security framework certification
- HACCP: Danger examination and basic control points
- KOSHER & HALAL: Devout dietary compliance
- FDA Enrollment: U.S. office registration
- BSCI: Trade Social Compliance Initiative
- Hunan Botanical Extract Association (HNBEA): Board part status
All certifications are accessible upon ask with batch-specific documentation.

FAQ
Q: How does it work against inflammation?
A: Its flavonoids stifle pro-inflammatory signals. In cell ponders, engeletin and astilbin decreased the expression of fiery cytokines such as TNF-α, IL-1β, and COX-2, to a great extent by hindering the TLR4-mediated NF-κB pathway.
Q: Which dynamic compounds drive its effects?
A: Flavonoids are the key players, particularly astilbin (the overwhelming component), engeletin, and different flavanonol glycosides. The leaf is moreover wealthy in polyphenols, triterpenoids, and fundamental oils.
Q: What are the primary wellbeing benefits of the product?
A: Inquire about affirms it has anti-cancer, anti-diabetic, anti-inflammatory, and anti-allergic impacts. It may too offer assistance lower blood sugar, decrease oxidative push, and back metabolic health.
Q: How does it compare to engineered anti-glycation agents?
A: It gives comparable AGEs restraint with altogether lower cytotoxicity, making it appropriate for long-term topical and verbal use.
Q: Is it steady in water-based formulations?
A: Whereas mostly water-soluble, best comes about happen in frameworks containing propanediol or butylene glycol to anticipate flavonoid precipitation.
Packaging and Transportation
- Standard Pressing: 25 kg/fiber drum with double-layer polyethylene liner
- Sample & Trial Orders: Accessible in 100 g, 500 g, and 1 kg aluminum-foil bags
- Storage Conditions: Cool, dry put (underneath 25°C), absent from light and moisture
- Shelf Life: 24 months beneath legitimate storage
- Shipping Strategies: Worldwide messenger (3–5 days for tests), discuss cargo, and sea freight
- MOQ: Test orders acknowledged; commercial orders begin at 25 kg
- Lead Time: Prepared stock for provoke shipment; custom determinations require 10–15 trade days

Why Choose Kingherbs?
25+ A long time of Industry Leadership
Since 1996, we have built one of China's most broad portfolios of botanical fixings, sponsored by specialized research facilities and definition expertise.
Full Traceability
We control each step—from seed assortment and soil quality to collect timing—ensuring true, reliable crude materials.
Pure & Secure Extraction
Only food-grade ethanol and filtered water are utilized. No destructive solvents enter our handle, ensuring clean color, quick dissolvability, and prevalent security profiles.
Customization & Specialized Support
Beyond fixings, we convey arrangements: custom mixes, proportion extracts, solidness testing, and finished-product groups counting softgels, tablets, and sachets.
One-Stop Procurement
Botanical extracts, vitamins, amino acids, minerals, and chemicals—all accessible beneath one roof with adaptable MOQs and proficient logistics.
Transparent Quality Assurance
Every bunch incorporates nitty gritty COA and HPLC chromatograms. Generation adjusts with USP, EP, BP, and CP measures.

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Contact Us
Ready to integrate premium Engelhardtia Roxburghiana Extract into your formulations? Reach out to discuss specifications, samples, or custom projects: info@kingherbs.com
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