The Extract Factory is a leading manufacturer and bulk supplier of high-purity salidroside powder in China, specializing in standardized botanical extracts for the dietary supplement, functional food, and nutraceutical industries. Our salidroside is isolated from premium Rhodiola crenulata root using advanced purification technologies, delivering consistent potency ranging from 50% to 98% to meet diverse formulation requirements. We provide wholesale quantities with competitive pricing, comprehensive quality documentation, and reliable global logistics support for manufacturers, distributors, and ingredient sourcing professionals worldwide.
Product Overview
Botanical Source and Origin
Salidroside, also known as rhodioloside, is a bioactive phenylethanoid glycoside concentrated primarily in the roots of adaptogenic Rhodiola species, including Rhodiola crenulata, Rhodiola rosea, Rhodiola sacra, and Rhodiola kirilowii. Indigenous to high-altitude regions across Asia, Europe, and North America, these hardy perennials develop robust secondary metabolite profiles under environmental stress. Our raw materials are sustainably harvested from authenticated, traceable cultivation zones in China at peak maturity to ensure maximum phytochemical density and genetic authenticity.
Chemical and Nutritional Profile
With the molecular formula C14H20O7 and a molecular weight of 300.29 g/mol, salidroside is a highly polar glycoside exhibiting excellent solubility in water, ethanol, and methanol. This water-soluble characteristic makes it exceptionally compatible with aqueous supplement matrices, functional beverages, and hydrophilic cosmetic bases. The compound remains stable under normal manufacturing and storage conditions, though prolonged exposure to intense UV light, excessive heat, or extreme pH shifts should be minimized to preserve long-term integrity.
Specifications and Certificate of Analysis
Each production batch is accompanied by a comprehensive Certificate of Analysis (COA) and full traceability documentation. Representative quality parameters are as follows:
| Item | Specification | Result | Reference Method |
|---|---|---|---|
| Basic Product Information | |||
| Country of Origin | China | Confirm | — |
| Latin Name | Rhodiola crenulata | Conform | — |
| Used Part | Root | Confirm | — |
| Salidroside Assay | 50% – 98% | — | HPLC |
| Organoleptic Data | |||
| Appearance | Fine powder | Confirm | GJ-QCS-1008 |
| Color | Yellow-brown to white | Confirm | GB/T 5492-2008 |
| Odor | Characteristic | Confirm | GB/T 5492-2008 |
| Taste | Characteristic | Confirm | GB/T 5492-2008 |
| Physical Characteristics | |||
| Particle Size (80 mesh) | >95% – 99% through 80 mesh | Confirm | GB/T 5507-2008 |
| Loss on Drying | <5.0% | 2.71% | GB/T 14769-1993 |
| Total Heavy Metals | <10 ppm | Confirm | USP <231>, Method II |
| Arsenic (As) | <2.0 ppm | Confirm | AOAC 986.15 |
| Lead (Pb) | <2.0 ppm | Confirm | AOAC 986.15 |
| Cadmium (Cd) | <0.5 ppm | Confirm | AOAC 986.15 |
| Mercury (Hg) | <0.5 ppm | Confirm | AOAC 971.21 |
| Microbiological Analysis | |||
| Total Plate Count | <10,000 CFU/g | Complies | USP |
| Yeast & Mold | <100 CFU/g | Complies | USP |
| E. coli | Negative | Not Detected | USP |
| Salmonella | Negative | Not Detected | USP |
| Staphylococcus | Negative | Not Detected | USP |
Physicochemical Properties
Chemical Properties
- Synonyms: Rhodioloside, 2-(4-hydroxyphenyl)ethyl β-D-glucopyranoside
- Molecular Formula: C14H20O7
- Molecular Weight: 300.29 g/mol
- Solubility: Soluble in water, ethanol, and methanol
- Stability: Stable under standard conditions; protect from light, heat, and pH fluctuations
Physical Properties
- Appearance: Fine white or light yellow powder
- Odor: Odorless or slightly aromatic
- Taste: Slightly bitter
- Melting Point: 205°C – 207°C
Manufacturing and Extraction Process
Our production protocols are aligned with ISO 22000 food safety management systems, integrating traditional herbal preparation with modern process analytical technology.
1. Raw Material Selection and Pretreatment
Botanical identity is confirmed macroscopically and microscopically prior to processing. Rhodiola crenulata roots are hand-selected, intensively washed to remove soil and extraneous matter, and subjected to controlled low-temperature drying to prevent thermal degradation of thermolabile glycosides. Dried roots are then precision-milled to a uniform particle size to maximize surface area for extraction efficiency.
2. Solvent Extraction
Multi-stage extraction is performed using food-grade ethanol or methanol under tightly controlled temperature and pressure parameters. Depending on batch scale, either continuous percolation or reflux extraction is employed to optimize recovery of salidroside while minimizing co-extraction of undesirable plant pigments and resins.
3. Concentration and Solvent Recovery
Extract solutions undergo vacuum evaporation at reduced temperatures to concentrate active constituents without thermal degradation. Recovered solvents are condensed and recycled in closed-loop systems to ensure environmental compliance and worker safety.
4. Purification and Standardization
Concentrated extracts are subjected to adsorption filtration and clay treatment to remove chlorophyll, waxes, and lipophilic impurities. Selective chromatographic separation or crystallization techniques are then applied to achieve target purity grades—including 50%, 90%, and 98% salidroside content. Final batches are homogenized and validated by HPLC to guarantee batch-to-batch consistency.
5. Quality Control and Release
In-process testing encompasses gravimetric analysis, high-performance liquid chromatography, and sensory evaluation. Finished salidroside powder is held under quarantine until full microbiological and heavy metals clearance is obtained.
Functional Benefits and Mechanisms of Action
Salidroside is valued across the nutraceutical industry for its evidence-based adaptogenic and protective properties:
- Adaptogenic and Anti-Fatigue Activity: Modulates hypothalamic-pituitary-adrenal (HPA) axis signaling and supports mitochondrial energy metabolism, helping the body adapt to physical, chemical, and biological stressors.
- Cognitive and Neuroprotective Support: Preclinical investigations indicate potential benefits for memory consolidation, attention span, and mental clarity via antioxidant and neurotransmitter-modulating pathways.
- Antioxidant and Anti-Inflammatory Properties: Scavenges reactive oxygen species and downregulates pro-inflammatory cytokine expression, contributing to cellular protection and healthy aging.
- Cardiovascular Wellness: Supports vascular function, blood flow dynamics, and lipid metabolism, making it relevant for heart-health formulations.
- Dermatological Applications: Protects skin cells against UV-induced oxidative damage and is increasingly incorporated into ingestible beauty and cosmeceutical products for anti-aging benefit claims.
Industrial Applications and Formulation Compatibility
Salidroside powder serves as a versatile active ingredient in a broad range of product categories:
- Dietary Supplements: Hard gelatin and vegetable capsules, tablets, softgels, and powder-in-capsule systems
- Functional Beverages: Adaptogenic drink mixes, ready-to-drink botanical shots, and herbal teas
- Sports Nutrition: Endurance support complexes, pre-workout formulations, and post-exercise recovery blends
- Cognitive Health Stacks: Nootropic and mood-support formulations targeting mental performance
- Cosmeceuticals: Topical serums, creams, and ingestible beauty supplements
- Traditional Herbal Preparations: Standardized extracts for practitioners of traditional medicine systems
Its favorable solubility profile and neutral organoleptic characteristics at functional dosages facilitate seamless incorporation into both aqueous and dry delivery systems.
Packaging, Storage, and Shelf Life
Packaging Configurations
- Inner Packing: 1 kg – 5 kg food-grade aluminum foil bags with moisture barrier and heat-sealed closures
- Outer Packing: 25 kg export-grade fiber drums, corrugated cartons, or client-specified custom packaging
Storage Recommendations
Store in tightly sealed original containers at controlled room temperature (15°C – 25°C), away from direct sunlight, excessive heat, and high humidity. Do not refrigerate unless specified for a particular formulation project.
Shelf Life: 24 months from manufacturing or testing date when stored under recommended conditions.
Logistics and Shipping Solutions
We coordinate transportation strategies based on order volume, budget, and delivery urgency:
| Shipping Mode | Quantity | Transit Time | Service Advantage |
|---|---|---|---|
| Express (DHL/FedEx/UPS) | Under 100 kg | 4–6 days | Door-to-door tracking |
| Air Freight | 100–1,000 kg | 5–7 days | Airport-to-airport with customs support |
| Sea Freight | Over 300 kg | ~30 days | Cost-efficient port-to-port movement |
Full commercial documentation, certificates of origin, and export declarations are provided with every shipment.
Certifications and Quality Assurance
The Extract Factory maintains rigorous regulatory standards to support global market access:
- ISO 22000 Food Safety Management
- HALAL Certified
- KOSHER Certified
- Commodity Inspection Compliance
- Comprehensive testing for pesticide residues and residual solvents per European Pharmacopoeia monographs
- Complete batch traceability from field cultivation to finished extract
Our six-stage quality protocol covers raw material certification, in-process chromatographic monitoring, finished goods assay, heavy metals quantification, microbiological enumeration, and stability review prior to commercial release.
Frequently Asked Questions
Q1: What is your minimum order quantity (MOQ)?
A1: Standard MOQ is 1 kg for most salidroside concentrations. Select grades are available at 100 g for formulation development and pilot-scale qualification. Volume-tiered pricing applies to contract manufacturing and distribution partnerships.
Q2: Do you offer product samples?
A2: Yes. We typically supply 5 g – 20 g samples free of charge for serious commercial evaluations. International shipping costs are either prepaid by the customer or deducted from a subsequent bulk order.
Q3: What payment instruments do you accept?
A3: We accept wire transfer (T/T), PayPal, Visa, MasterCard, Western Union, and e-Checking. Preferential payment terms are available for qualified recurring accounts.
Q4: Can you support OEM, ODM, or private-label programs?
A4: Absolutely. The Extract Factory specializes in bulk botanical extracts and offers turnkey OEM/ODM services including custom granulation, capsule or tablet conversion, small-format sachet packaging, and branded label support.
Q5: How do you ensure consistency across production batches?
A5: We enforce strict raw material qualification, standardized extraction SOPs, HPLC standardization against reference standards, and quarterly third-party laboratory audits to verify potency, purity, and safety parameters.
Q6: How can I request a quotation or technical data sheet?
A6: Email us at [email protected] with your desired specification, quantity, and delivery destination. Our technical sales team will reply within 24 business hours with a customized proposal, reference COA, and estimated lead time.
Why Source Salidroside Powder from The Extract Factory?
Choosing the right ingredient supplier directly impacts product quality, regulatory compliance, and brand reputation. The Extract Factory delivers verified botanical identity, scalable production capacity for both emerging brands and established multinational manufacturers, fully transparent documentation packages, and responsive technical support for complex formulation challenges. Whether you are developing an adaptogenic supplement line, a functional beverage, or a premium cosmeceutical, our standardized salidroside powder provides the quality assurance and supply reliability your operation demands.
Contact Information
To inquire about bulk pricing, request a complimentary sample, or discuss custom extraction requirements for salidroside powder, please contact our B2B sales division at [email protected]. Our customer service and technical teams are prepared to assist ingredient procurement managers, product formulators, and international import specialists with detailed specification sheets, regulatory guidance, and end-to-end shipping coordination.
Thank you for choosing The Extract Factory as your strategic partner for premium Rhodiola-derived ingredients. We remain committed to supplying the global market with rigorously tested, high-performance botanical extracts that meet the evolving standards of modern nutraceutical innovation.
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