The Extract Factory is a trusted B2B manufacturer and bulk supplier of premium Horse Chestnut Extract Powder, delivering consistent, standardized potency for dietary supplement, pharmaceutical, and cosmetic applications worldwide. Sourced from premium-grade Aesculus hippocastanum seeds and refined through advanced phytochemical processing, our extract provides a reliable foundation for formulators seeking verified Aescin content, full traceability, and scale-ready supply at competitive wholesale pricing.
Sustainable Sourcing & Botanical Profile
Our Horse Chestnut Extract Powder originates from the seeds of mature horse chestnut trees (Aesculus hippocastanum L.) harvested in the pristine Qinba Mountains of southern Shaanxi, China. This temperate, high-altitude region offers rich, well-drained soil and clean air conditions that encourage the accumulation of bioactive triterpene saponins within the seeds. By managing raw material procurement directly at the origin, The Extract Factory maintains complete batch traceability and seasonal consistency—critical attributes for brands and contract manufacturers who depend on uniform phytochemical profiles year over year.
Active Constituents & Standardization
The therapeutic and commercial value of horse chestnut extract lies in its high concentration of Aescin (Escin), a complex of pentacyclic triterpene saponins primarily composed of α-escin and β-escin fractions. These phytochemicals are extensively referenced in botanical literature for their ability to support vascular tone, modulate capillary permeability, and promote normal fluid exchange in tissues. Our standardized extract is assayed by UV spectrophotometry to ensure a minimum Aescin content of 20%, with typical batch results meeting or exceeding this threshold.
Manufacturing Excellence & Quality Assurance
Advanced Extraction & Processing
Every lot of our Aesculus hippocastanum seed extract is produced under documented Standard Operating Procedures (SOPs) that integrate traditional herbal knowledge with modern purification engineering:
- Raw Material Preparation: Freshly harvested horse chestnut seeds are carefully cleaned, sorted, and inspected to remove extraneous matter prior to processing.
- Controlled Grinding: Seeds are milled into a coarse botanical powder under low-heat conditions to protect heat-sensitive saponins from premature degradation.
- Solvent Extraction: The powdered material undergoes percolation using a food-grade ethanol–water system. Soaking duration and temperature are precisely controlled to maximize Aescin solubilization while minimizing co-extraction of undesirable lipophilic fractions.
- Multi-Stage Filtration: The miscella is filtered to remove insoluble plant residues, yielding a clarified liquor suitable for downstream concentration.
- Vacuum Concentration: Extract solution is concentrated under reduced pressure at moderate temperatures to remove excess solvent without thermally stressing the active constituents.
- Freeze Drying (Lyophilization): The concentrated extract is lyophilized into a solid matrix. This low-temperature dehydration step is essential for preserving the structural integrity of Aescin molecules and extending finished shelf stability.
- Precision Micronization: The dried cake is milled to a uniform particle size, with 95% passing through an 80-mesh sieve, ensuring homogeneous dispersion in capsule blends, tableting mixes, and topical bases.
- Aseptic Packaging: Final powder is immediately sealed in vapor-barrier packaging under sanitary conditions to prevent oxidative and hydrolytic degradation.
In-House QC & Third-Party Verification
Quality is engineered into every production stage. Our facility operates a robust analytical quality-control framework supported by modern chromatography and spectroscopy instrumentation. Each batch of Horse Chestnut Extract Powder undergoes identity testing, quantitative Aescin analysis, heavy-metal screening, and full microbiological enumeration. To reinforce supply-chain transparency, we engage respected third-party laboratories—including Eurofins and SGS—for independent verification, providing Certificates of Analysis (COAs) that meet importer and distributor audit requirements.
R&D Collaboration & Custom Specification Support
The Extract Factory maintains an active research partnership with the Natural Products Laboratory at the School of Science, Northwest A&F University. This collaboration enables rapid development of tailored extract solutions, including custom Aescin concentrations (e.g., 20% or 40%), specialized carrier blends, and formulation troubleshooting assistance for complex delivery systems.
Product Specifications & Physical-Chemical Standards
Physical Description
| Parameter | Specification |
|---|---|
| Appearance | Yellow-brown fine powder |
| Odor & Taste | Characteristic of Aescin-rich botanicals |
| Bulk Density (Slack) | 0.46 g/ml (USP <616>) |
| Particle Size | ≥ 95% through 80 mesh |
Chemical Tests
| Analyte | Specification | Typical Result | Method |
|---|---|---|---|
| Aescin | ≥ 20% | 20.32% | UV |
| Moisture | ≤ 5% | 3.24% | CP2015 (105°C, 4 h) |
| Total Ash | ≤ 5% | 3.25% | CP2015 |
| Heavy Metals | < 10 ppm | Conforms | CP2015 |
Microbiological Control
| Test | Limit | Result | Method |
|---|---|---|---|
| Aerobic Bacterial Count | ≤ 1,000 CFU/g | Conforms | GB4789.2 |
| Yeast | ≤ 100 CFU/g | Conforms | GB4789.15 |
| Mold | ≤ 100 CFU/g | Conforms | GB4789.15 |
| Escherichia coli | < 3.0 MPN/g | Conforms | GB4789.38 |
| Salmonella | Not Detected | Conforms | GB4789.4 |
| Staphylococcus aureus | Not Detected | Conforms | GB4789.10 |
Functional Properties & Industry Applications
Key Biofunctional Benefits
- Vascular & Circulatory Support: Aescin is widely recognized for its venotonic properties, helping to maintain the structural integrity of blood vessel walls and reduce capillary hyperpermeability.
- Anti-Inflammatory & Edema Management: The saponin fraction modulates inflammatory mediator release, making the extract valuable for formulations targeting swelling and discomfort associated with fluid retention.
- Antioxidant Activity: Horse chestnut extract contributes to cellular protection against oxidative stress, supporting broader wellness and dermal health applications.
- Dermal Microcirculation: In topical cosmetics, Aescin helps improve the appearance of skin firmness and reduce the visual signs of localized fatigue and congestion.
Target Applications & Recommended Usage
| Application Area | Specification | Recommended Use Level / Dosage |
|---|---|---|
| Skin Care (Topical) | 20% Aescin | 0.5% – 1.0% in creams and serums |
| Skin Care (Topical) | 40% Aescin | 0.25% – 0.5% in specialized formulations |
| Vascular Health (Oral) | 20% or 40% Aescin | Consult a healthcare professional for personalized dosage |
| Anti-Inflammatory (Oral) | 20% Aescin | 150 – 300 mg per day |
| Dietary Supplements | 20% or 40% Aescin | Seek guidance from a qualified healthcare practitioner |
Caution: The information above is intended for formulator guidance only. End-user dosing should always be confirmed by a healthcare professional, nutritionist, or regulatory consultant prior to product commercialization.
Formulation Compatibility & Solubility
Horse Chestnut Extract Powder exhibits favorable solubility in warm water and aqueous-alcohol systems, simplifying incorporation into oral liquids, topical gels, and encapsulation slurries. For nutraceutical formulators, the extract is compatible with standard tableting excipients including microcrystalline cellulose, silicon dioxide, and magnesium stearate. In cosmetic applications, it integrates well with phospholipid-based delivery systems, carbomer thickeners, and common emollients. For synergistic vascular-support formulations, Aescin can be paired with rutin, vitamin C, bioflavonoids, or maritime pine bark extract to enhance capillary-support claims.
Packaging, Storage & Shelf Life
Packaging Specifications
| Format | Inner Protection | Outer Packaging |
|---|---|---|
| 1 kg – 5 kg | Food-grade aluminum-foil laminate bag with zipper seal | Export-grade corrugated carton |
| 25 kg | Double heat-sealed polyethylene liner | Fiber drum or customized industrial outer packaging upon request |
Storage Recommendations
Store sealed containers at stable room temperature in a dry, well-ventilated warehouse away from direct sunlight, heat sources, and strong odors. Avoid exposure to high ambient humidity, which can promote clumping and hydrolysis of saponin constituents. When stored under these conditions, Horse Chestnut Extract Powder maintains full potency and meets all release specifications for 24 months from the manufacturing or testing date.
Regulatory Compliance & Certifications
The Extract Factory operates within a comprehensive quality-management and food-safety framework backed by the following documentation and third-party certifications:
- Business License & Commodity Inspection Registration
- HALAL Certified
- KOSHER Certified
- ISO 22000 Food Safety Management Systems
Our facility and documentation protocols are structured to support audit readiness for importers, white-label brands, and multinational distributors requiring transparent supply-chain governance.
Facility & Laboratory Infrastructure
Production takes place in a controlled manufacturing environment designed to prevent cross-contamination and ensure batch integrity. Our on-site quality-control laboratory is equipped with high-performance liquid chromatography (HPLC), ultraviolet-visible spectrophotometry (UV-Vis), and atomic absorption systems for in-process and finished-goods testing. From raw-material identification to final release, every stage is documented in accordance with GMP-aligned record-keeping standards.
Partner With The Extract Factory
Choosing The Extract Factory as your Horse Chestnut Extract Powder supplier means investing in technical precision, supply-chain transparency, and scalable production capacity. Whether you are developing circulatory-health supplements, formulating anti-fatigue topical gels, or expanding a wholesale botanical ingredient portfolio, we provide the standardized potency, regulatory documentation, and batch consistency that North American and European markets demand.
Contact our technical sales team at [email protected] to request a quote, sample, or customized specification sheet. We welcome bulk wholesale inquiries, long-term supply agreements, and collaborative development partnerships.
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