SGS Audited Facility · Qinling Botanical Hub

OEM/ODM Natural Extract Powder Suppliers & Exporter

Global B2B Wholesale: Pharmacopoeia-Grade Botanical Extracts, Standardized Mushroom Actives, and Custom Private Label Dietary Supplements for Brands in 50+ Countries.

23+
Years of Extraction
Continuous technical R&D
12,447m²
Production Base
GMP compliant facility
89
Specialized Staff
QC, analysts & engineers
100%
Batch Traceability
COA & retention samples
50+
Export Destinations
North America, EU, Asia
Standardized Bulk Raw Materials

Featured Natural Extracts & Functional Active Powders

Precision-milled, rigorously verified via HPLC/UV assay, and standardized to international pharmacopoeia standards (USP, EP, CP). Produced under strict Good Manufacturing Practices.

Strategic Procurement Whitepaper

Future Sourcing Directions & Technological Trends in Botanical Extracts

The botanical and functional ingredients market is shifting from commoditized ratio extracts to chromatographically validated, DNA-traceable molecules. Here is what formulators and contract manufacturers must prepare for.

1. Transition to Validated Marker Quantification

B2B buyers are moving rapidly away from ambiguous generic extraction ratios (such as 10:1 or 20:1) because they allow unprincipled suppliers to substitute maltodextrin. Procurement contracts now demand explicit primary active component verification via HPLC, UHPLC, or LC-MS/MS testing.

Whether measuring allicin degradation stability in garlic extracts or molecular weight distribution in marine peptides, validated assays protect formulations from regulatory audit failures.

Quality Shift: Ratio → HPLC Standardized

2. Clean-Label Solvent Compliance & Green Extraction

Stringent European Pharmacopoeia (EP 5.4) and California Proposition 65 regulations have eliminated acceptance of Class 1 and Class 2 residual extraction solvents. Sourcing strategies now prioritize Supercritical CO2 extraction, pressurized subcritical water systems, and 100% pure grain ethanol extraction.

Torzi Biotech utilizes closed-loop recovery loops that reduce residual solvents to under 50 ppm, ensuring zero toxic benzene or chlorinated hydrocarbon residues across all botanical batches.

Eco-Friendly: EP 5.4 Class 3 Solvent Free

3. Full Supply Chain Traceability & DNA Authentication

With adulteration risks growing in high-value superfoods and adaptogens, institutional buyers require botanical identity confirmation prior to processing. Routine raw material verification now combines TLC fingerprinting, microscopic authentication, and barcoded genomic DNA sequencing.

Our direct cultivation bases in the Qinling Mountain corridors allow full traceability back to harvesting cooperatives, ensuring wild species integrity and ethical biodiversity management.

Audit Trail: DNA Authenticated Origin

Technical Specifications & Analytical Control Parameters

Standard export specifications for our top natural active extracts, verified batch-by-batch before container release.

Active Ingredient CAS / Botanical Name Pharmacopoeia Spec Analytical Assay Heavy Metals (Pb/As/Cd/Hg) Standard Export Packaging
Allicin Powder Allium sativum L. 1.0% - 5.0% Allicin EP / HPLC < 10.0 ppm Total 25 kg Fiber Drum / Double PE
Natural Vitamin C Malpighia glabra L. 17% - 25% Ascorbic Acid USP / HPLC < 5.0 ppm Total 25 kg Drum / Nitrogen Flushed
Sodium Hyaluronate CAS 9067-32-7 95.0% - 102.0% Purity Ph.Eur / Titration < 2.0 ppm Total 1 kg Foil Bag / 20 kg Box
Fish Collagen Peptides CAS 9007-34-5 ≥90% Protein (<1000 Da) Kjeldahl / SEC-HPLC < 2.0 ppm Total 10 kg / 20 kg Kraft Paper Drum
Modified Citrus Pectin CAS 9000-69-5 Galacturonic Acid ≥65% FCC / Carbazole Colorimetry < 5.0 ppm Total 25 kg Cardboard Drum
Celery Seed Extract Apium graveolens L. 10:1 / 20:1 TLC Confirmed TLC / UV Fingerprint < 10.0 ppm Total 25 kg Drum with Desiccant
Manufacturing Authority & Infrastructure

Shaanxi Torzi Biotech: Advanced Botanical Extraction Factory

Operating a modernized 12,447m² production complex in Xi'an, China, we unite botanical engineering with strict pharmaceutical clean-room discipline. Not a trading desk: deal directly with the production source.

Industrial Multi-Function Stainless Steel Extraction Tank

Multi-Stage Countercurrent Extraction

Equipped with 6-ton 316L stainless steel tanks supporting low-temperature aqueous, reflux, and dual hydro-ethanolic extraction cycles.

Centrifugal Spray Drying Tower

High-Speed Centrifugal Spray Drying

Instantaneous flash drying preserves heat-sensitive active phytonutrients, guaranteeing uniform bulk density and instant dissolution.

HPLC Liquid Chromatograph Laboratory

In-House HPLC / GC Analytical Lab

Internal testing station equipped with Agilent & Shimadzu HPLC, Gas Chromatography (GC), and AAS for rigorous contaminant screening.

Private Label Supplement Encapsulation & Bottling

Turnkey OEM / ODM Contract Formulation

End-to-end contract packaging: hard gelatin/HPMC vegetarian capsules, custom sachet blending, bottle packaging, and private label bottling.

Procurement Due Diligence

Frequently Asked Questions for Commercial Buyers

Direct technical and commercial answers regarding lead times, laboratory testing, regulatory documentation, and custom OEM manufacturing.

Q How does Torzi Biotech assure batch-to-batch standardization of active markers?
Every raw botanical lot undergoes microscopic, physical, and chemical fingerprinting before entering production. We adjust extraction duration, temperature curves, and membrane filtration to achieve nominal marker values (such as allicin, polyphenols, or polysaccharides). Finished materials are verified via calibrated HPLC/UV equipment with retention samples stored for 3 years.
Q What regulatory documentation is included with international export shipments?
Standard shipment paperwork includes an official Certificate of Analysis (COA) corresponding to the exact lot number, Safety Data Sheet (SDS / MSDS), Botanical Flow Chart, Allergen Statement, Non-GMO Certification, BSE/TSE Free Declaration, and Certificate of Origin (COO). Third-party SGS or Eurofins testing reports are available upon buyer request.
Q What are the minimum order quantities (MOQ) for bulk powder vs. finished OEM capsules?
Standard bulk botanical extracts feature low trial MOQs starting at 1 kg to 25 kg (one standard fiber drum) to accelerate customer formulation validation. For turnkey private label contract manufacturing (OEM capsules, customized pouches, or stick-packs), our flexible order minimums start from just 500 to 1,000 retail units.
Q How do you handle heavy metal, pesticide, and microbiological contamination controls?
We test every single production batch using Atomic Absorption Spectrophotometry (AAS) and Atomic Fluorescence Spectrometry (AFS). Lead (Pb) is controlled under 2.0 ppm, Arsenic (As) under 1.0 ppm, Cadmium (Cd) under 1.0 ppm, and Mercury (Hg) under 0.1 ppm. Pesticide residue suites strictly comply with both USP <561> and EC 396/2005 regulatory thresholds.
Q What export packaging methods prevent moisture absorption during maritime transit?
Hygroscopic extracts are packed inside vacuum-heat-sealed multi-layer pharmaceutical aluminum foil barrier bags with embedded non-toxic food grade silica desiccants. The secondary layer consists of heavy-duty double polyethylene liners encased in reinforced fiber drums with tamper-evident security locks.
Q Can you formulate custom proprietary botanical premixes and provide free laboratory samples?
Yes. Our technical team regularly supports custom ratio blending, dry granulations for direct tablet compression, micro-encapsulated spray drying for water dispersibility, and custom botanical mixtures. We routinely supply 50g to 100g free laboratory evaluation samples to verified commercial manufacturing partners.

Partner with an SGS-Verified Chinese Botanical Manufacturer

Eliminate intermediary trading margins. Request an instant quote, detailed batch Certificate of Analysis, or free 50g formulation samples from our technical engineering team in Xi'an.