Standardized Phyto-actives • ISO22000 • cGMP Certified

OEM/ODM Root Extract Factory & Exporter

Precision Botanical Extraction, High-Titer Marker Standardization, and Private Label Solutions for Nutriceutical, Functional Beverage & Dermo-Cosmetic Innovators.

$29.5M
Annual Export Turnover
Independently verified by SGS
30+
Countries Supplied
USA, EU, Japan, Oceania, ASEAN
25
Audited Partner Extraction Plants
Full traceability & raw material control
1kg
Flexible Pilot MOQ
Commercial scale up to metric tons
Factory Direct Portfolio

Standardized Extracts & High-Purity Active Ingredients

Explore our core portfolio engineered under strict batch repeatability standards. Every botanical fraction is backed by validated HPLC/UV assays, complete microbial clearance, and comprehensive regulatory documentation.

Strategic Sourcing Intelligence

Global Procurement Dynamics & Market Trajectory (2025–2030)

Navigating the botanical supply chain requires an understanding of active assay verification, green extraction regulations, and upstream raw material provenance.

Transition from Ratio Extracts to Quantified Active Markers

The global nutraceutical industry is aggressively moving away from crude ratio claims (such as 10:1 or 20:1), which frequently conceal adulteration or maltodextrin carriers. Global procurement leads demand validated chromatographic identification (HPLC, LC-MS/MS, UPLC) targeting specific chemical entities.

  • Nettle Root: Transitioning to standardized β-sitosterol (≥0.8%) and scopoletin marker validation.
  • Danshen (Salvia Miltiorrhiza): Demand focused on validated Salvianolic Acid B and Protocatechuic Aldehyde.
  • Ginseng & Adaptogens: Rigorous fingerprinting via HPLC to eliminate ginsenoside spiked profiles.

Pesticide & Contaminant Tightening: EU/USP Compliance

Regulatory authorities in Western Europe (EFSA) and North America (FDA) have implemented stringent maximum residue limits (MRLs) for botanicals, rendering spot-market sourcing obsolete for enterprise brands.

  • Multi-Residue Panels: Mandatory compliance with BS EN 15662 standard screening for 500+ agrochemical residues.
  • Heavy Metal Safeguards: Lead < 0.5 ppm, Cadmium < 0.2 ppm, Arsenic < 1.0 ppm, Mercury < 0.1 ppm to satisfy California Prop 65.
  • PAHs & ETO: Absolute non-detectable levels of Ethylene Oxide and Polycyclic Aromatic Hydrocarbons (PAH4).

Green Extraction Engineering & Low-Carbon Footprints

Modern brand owners require extraction methods that discard toxic chlorinated solvents, hydrocarbon fractions, and high-heat drying methods in favor of energy-efficient clean bio-processing.

  • Subcritical & Supercritical Fluid: Clean CO2 fractionation for lipophilic root bioactives.
  • Membrane Micro-filtration: Non-thermal concentration to maintain fragile phyto-complex matrices.
  • Enzymatic Hydrolysis: Bio-transformations that increase bioavailability without harsh acids.
Technical Sourcing Framework

Analytical Comparison: Evaluating Botanical Root Extract Grades

A rigorous specification comparison between conventional spot-market suppliers and our factory-controlled extraction protocols.

Evaluation Parameter Conventional Spot Market Sourcing Our OEM/ODM Factory Standard Technical Verification Methodology
Active Molecule Quantification Generic ratio statements (10:1, 20:1); frequent reliance on non-specific UV-Vis readings. Standardized marker compounds with confirmed high-titer chromatographic quantification. HPLC / LC-MS Fingerprinting
Solvent Residue Profile Methanol or chlorinated solvent residues often near regulatory thresholds. 100% Water-only or USP Purified Ethanol extractions; Class 1 & Class 2 solvents strictly zero. GC Headspace (USP <467>)
Botanical Origin & Identity Mixed regional collection lots; higher risk of related botanical adulteration. Origin-contracted cultivation bases in Shaanxi Qinling Mountains; harvest window verification. HPTLC & DNA Barcoding
Physical Particle Engineering Uneven powder mesh (40-60 mesh); poor water dispersibility and clumping issues. Micro-milled 80-450 mesh options; customized bulk density for high-speed capsule filling. Laser Particle Diffraction
Regulatory & Clean Label Status Limited documentation; post-shipment COA disputes; questionable allergen management. Full lot traceability: Batch COA, ISO22000, HACCP, Halal, Kosher, and Organic TC per lot. Full QA Shipment Pack
Precision Manufacturing Workflow

From Raw Rhizome to Clinical Standard: The Extraction Journey

Every commercial batch produced across our Shaanxi infrastructure follows closed-loop, cGMP-aligned manufacturing parameters to safeguard molecular potency.

01

Botanical Authentication

Raw roots undergo organoleptic, microscopic, and HPTLC chromatographic assays upon warehouse arrival. Moisture content, ash value, and initial heavy metal screening are logged before lot entry.

02

Countercurrent Extraction

Stainless steel dynamic extraction batteries operate under precise temperature controls (45°C–80°C) using potable deionized water or multi-ratio grain ethanol, preserving heat-labile phyto-complexes.

03

Macroporous Resin Purification

Proprietary patented purification separation towers eliminate inert sugars, starches, and heavy resins, selectively elevating target active marker concentrations up to ≥99% purity.

04

Micro-Atomized Spray Drying

Low-temperature vacuum evaporation followed by rapid micro-atomization spray drying. Custom bulk densities and granulations are formulated for optimal flowability in capsules, tables, or sachet packs.

Why Source From Xi'an Vexli Bio-Tech

Enterprise Foundations Built for Global Sourcing Reliability

Combining the botanical wealth of China's Qinling bio-corridor with pharmaceutical QA testing rigor and proven international trade infrastructure.

SGS Audited & Verified Facility

Passed comprehensive on-site inspections by SGS. Full facility audit documentation covers raw material quarantine, clean room operations, and analytical record-keeping.

National Extraction Patents

Holders of Invention Patent ZL 2014 1 0464649.9 (Purification of bioactive compounds from Salvia miltiorrhiza) and Utility Model Patent No. 14520048 for advanced botanical extraction apparatus.

Tier-One Global Accreditations

Audited certifications include ISO 22000, HACCP, Halal (MUI & International), Kosher, USDA National Organic Program (NOP), and EU Organic (EC 834/2007) across core product catalogs.

Trusted by Fortune 500 Brands

Proven supply chain execution partner to Fortune 500 food, supplement, and cosmetic entities requiring stable multi-ton annual supplies, customized specifications, and locked pricing contracts.

Complete OEM & Private Label

Beyond bulk raw powders, we provide blending, fluid bed granulating, capsule filling, sachet packing, and custom stand-up pouch packaging with client-branded design execution.

Frictionless Global Logistics

Experienced handling of FOB, CFR, CIF, EXW, FCA, and DDP shipments with verified non-hazardous transport declarations (IATA DGR, IMDG Code) ensuring smooth customs clearance without port detention.

Technical Q&A

Frequently Asked Questions by QA & Sourcing Managers

Clear, direct answers regarding qualification, batch release criteria, stability testing, and contract manufacturing capabilities.

What is your MOQ for root extracts and high-purity synthetic actives?

For standard catalog botanical powders and extracts (such as Stinging Nettle Root, Matcha, Phycocyanin, and NAD+), our MOQ starts at just 1 kg to facilitate R&D trials, pilot bench runs, and stability testing. Specialty bulk materials, including marine collagen peptides (25 kg MOQ) or organic D-allulose (50 kg MOQ), are packaged for commercial pilot runs.

Which analytical documentation is supplied with each production shipment?

Every delivery includes a batch-specific Certificate of Analysis (COA) confirming physical parameters (color, odor, mesh size, tap density), chemical assay (HPLC/UV), moisture/ash limits, heavy metals (ICP-MS), and microbial plate counts. Allergen declarations, GMO statements, TSE/BSE free declarations, and MSDS are standard.

Can you tailor particle size or bulk density for capsule filling equipment?

Yes. We specialize in particle engineering. Our internal milling and classification towers can adjust mesh grades from standard 80 mesh up to 450 mesh. For dry powder drink formulas, we provide agglomerated, instantly dispersible granules; for automated high-speed encapsulators, we calibrate bulk density to minimize dusting and ensure consistent fill weights.

How do you handle pesticide residue compliance for European buyers?

We test our botanical extracts using accredited multi-residue GC-MS/MS and LC-MS/MS methods compliant with European Standard BS EN 15662. We guarantee non-detectable or well-below regulatory limits for hundreds of screened agricultural chemicals, ensuring seamless importation through EU border inspection posts.

What are the standard delivery terms and global payment mechanisms?

We support versatile Incoterms 2020 including EXW, FOB, CFR, CIF, and door-to-door DDP (inclusive of customs clearance, duty payment, and inland freight directly to your warehouse). Payments are accepted via T/T wire transfer, L/C at sight, D/P, PayPal, or escrow in multiple currencies (USD, EUR, GBP, CAD, AUD, JPY, CNY).

Do you supply pre-shipment samples for internal third-party lab testing?

Yes. We provide 50g–200g representative batch samples to qualified commercial buyers, formulators, and contract manufacturers. This allows your QA team and designated laboratories (Eurofins, SGS, Covance) to confirm chemical fingerprint, active assay, and sensory performance before dispatching the commercial order.

Request a Technical Dossier, Batch COA, or Custom OEM Quote

Provide your target marker assay, formulation vehicle, or target packaging format. Our Shaanxi technical engineering team will deliver a comprehensive project feasibility review, quote, and free sample dispatch within 24 hours.