Standardized Plant Extract Powders & OEM Functional Ingredients
Explore 8 benchmark nutritional powders manufactured under strict ISO/cGMP protocols in Xi'an, China. Each batch is supplied with comprehensive COAs detailing HPLC assay, pesticide residue limits (USP <561>), and heavy metal compliance.
Enzyme & VC
Qinling Base
Kiwi Fruit Extract Kiwi Powder (Actinidin Standardized)
- Active Marker: Actinidin / Natural VC
- Extraction Ratio: 10:1, 20:1 / Spray Dried
- Solubility: 100% Cold Water Clear
- Mesh Profile: 80–100 Mesh Fine Powder
Citric Acid ≥5%
100% Water-Soluble
Water-Soluble Lemon Juice Powder Extract (Natural Acidity)
- Active Marker: Citric Acid, Bioflavonoids
- Drying Method: Low-Temp Vacuum Spray
- Color Profile: Natural Pale Yellow
- Application: RTD Beverages & Chewables
<1000 Dalton
Hydrolyzed Peptides
Marine Fish Collagen Peptide Powder (Low MW Bioactive)
- Protein Content: ≥ 90% (Kjeldahl Method)
- Dalton Cutoff: Average 800–1000 Da
- Sensory Spec: Odorless, Non-Fishy Flavor
- Certifications: Halal, Kosher, ISO22000
Omega-7 & Flavones
Cold Extraction
Sea Buckthorn Berry Powder & Microencapsulated Oil
- Target Bioactives: Total Flavonoids, Palmitoleic
- Form Available: Pure Berry Powder / Oil Powder
- Processing: Centrifugal Separation
- Market Segment: Cardiovascular & Mucosal
95% Curcuminoids
HPLC Standardized
Turmeric Root Extract Powder 95% Curcuminoids (Bulk)
- Curcuminoid Ratio: Curcumin, DMC, BDMC
- Testing Standard: HPLC USP Reference
- Solvent Residue: USP <467> Class 3 <50ppm
- Solubility: Hydrophilic Grades Available
Macaenes & Amides
OEM / ODM Custom
Private Label Black Maca Extract Capsules & Bulk Powder
- Botanical Spec: Lepidium meyenii (Black)
- Extract Ratios: 10:1, 20:1, 50:1 Standardized
- Finished Formats: HPMC / Gelatin Capsules, Jars
- Private Label MOQ: From 500 Retail Units
MCT Fatty Acids
USDA Organic
Organic Coconut Milk & Coconut Water Electrolyte Powder
- Fat Composition: 40%–60% Plant-Based MCTs
- Carrier Base: Maltodextrin / Tapioca Clean
- Flowability: Non-Caking, Instant Dispersion
- Primary Uses: Keto Creamers & Hydration
CAS 25513-46-6
Cosmetic Biotech
Cosmetic Grade γ-Polyglutamic Acid Powder (γ-PGA)
- Assay / Purity: ≥ 92.0% HPLC Analysis
- Molecular Weight: High (1200kDa) / Low (100kDa)
- Efficacy: 5x Moisture Retention vs HA
- Appearance: Pure White Crystalline Powder
Navigating the Global Botanical Extract Supply Chain: China's Industrial Dominance
The global botanical extract industry has shifted definitively from simple pulverized plant meal to highly standardized, fractionated, and chromatographically verified phytochemical monomers and extracts. China represents over 65% of the global botanical extraction capacity, with the Shaanxi (Xi'an) cluster occupying an exceptional geographic and technological position. Centered adjacent to the temperate and subtropical crossroads of the Qinling Mountain range—often termed the "Gene Bank of Chinese Herbal Medicine"—Shaanxi-based manufacturers synthesize tradition with high-throughput bioengineering.
For international supply chain managers, brand directors, and contract formulators across North America, the European Union, Southeast Asia, and the Middle East, qualifying a reliable Chinese botanical manufacturer requires navigating complex parameters: active concentration thresholds, solvent residue toxicity limits (ICH/USP guidelines), heavy metal bioaccumulation ceilings, and authentic botanical provenance verified through orthogonal analytical testing.
Future Sourcing & Procurement Trends: 2025–2030 Strategic Roadmap
As international consumer health regulators enforce stricter pharmacopeial alignment, B2B procurement strategies are pivoting around four transformative vectors:
1. High-Performance Chromatography as Sole Standard
Generic "Ratio Extracts" (e.g., 10:1 or 20:1) with ambiguous starting biomass are rapidly being replaced by HPLC-standardized, fingerprint-matched botanical actives. Buyers now mandate LC-MS/MS fingerprint library overlays to guarantee that Turmeric contains verified Curcumin/DMC/BDMC ratios, and Maca contains traceable macamides rather than ground turnip substitutes.
2. Green Extraction & Solvent-Free Processing
Clean-label consumer sentiment in Europe and the Americas has made petroleum ether, ethyl acetate, and high-benzene solvent extractions toxic liabilities. Forward-thinking exporters leverage Subcritical Water Extraction, Supercritical CO2 fluid separation, and continuous ultrasonic vacuum countercurrent lines that utilize only water and food-grade ethanol as primary extraction media.
3. Zero Heavy-Metal & Pesticide Tolerances (Prop 65)
California Proposition 65 thresholds (Lead <0.5 μg/day, Arsenic <10 μg/day) and EU Commission Regulation (EU) 2023/915 have reshaped raw botanical harvesting. Commercial farms must control agricultural runoff and soil cadmium. Xi'an factories have invested in closed-loop Demineralized Reverse Osmosis water treatment and macroporous adsorption resin columns to strip heavy metal ions in line.
Technical Benchmark Matrix for Industrial Extract Powders
Reference analytical standards for formulation scientists when validating incoming raw material specs against Torzi Biotech factory outputs:
| Ingredient & Botanical Source | Target Marker Compound | Primary Assay Method | Standard Purity Range | Key Formulation Suitability | Global Verification Target |
|---|---|---|---|---|---|
| Kiwi Fruit Powder Actinidia chinensis |
Actinidin, Ascorbic Acid | Enzymatic / Titration | 10:1 Ratio / 5% VC | Clean functional drink blends, gut digestion aids | USP <561> Multi-Residue Pesticide Screen |
| Water-Soluble Lemon Powder Citrus limon |
Citric Acid, Hesperidin | HPLC / Acidimetry | ≥ 5% Citric Acid | Effervescent tablets, stick packs, instant teas | Cold water clarity & dissolution <30s |
| Marine Collagen Peptides Deep Sea Cod/Tilapia Scale |
Glycine-Proline-Hydroxyproline | Kjeldahl / HPLC-GPC | ≥ 90% Protein (<1000 Da) | Nutricosmetic serums, anti-aging ingestibles | Heavy Metals (Pb ≤0.2ppm, As ≤0.1ppm) |
| Sea Buckthorn Berry Extract Hippophae rhamnoides |
Palmitoleic Acid (Omega-7), Flavonols | GC-MS / UV-Vis | Total Flavonoids ≥3%–10% | Softgels, mucosal membrane supplements | Peroxide Value <5 meq/kg, Aflatoxins Free |
| Turmeric Root Extract Curcuma longa |
Total Curcuminoids (95%) | HPLC (USP 3-peak) | ≥ 95.0% by HPLC | Anti-inflammatory joint health capsules | Residual Solvents (Ethanol <500ppm, Acetone ND) |
| Black Maca Root Extract Lepidium meyenii |
Macamides, Glucosinolates | HPLC / TLC Fingerprint | 10:1 to 50:1 Ratio / 0.6% Amides | Male vigor, endurance boosters, OEM adaptogens | Microbiology (Total Plate Count <1000 CFU/g) |
| Organic Coconut Milk Powder Cocos nucifera |
Medium Chain Triglycerides (C8/C10) | Gas Chromatography (GC) | Fat 40%–60%, Protein ≥8% | Keto powders, dairy-free meal replacement | USDA NOP Organic & Non-GMO Certified |
| γ-Polyglutamic Acid (γ-PGA) Bacillus subtilis Ferment |
D-/L-Glutamic Units | GPC / HPLC | ≥ 92.0% Active Content | High-end barrier hydration serums & masks | Cosmetic microbial limits (<100 CFU/g) |
Why Partner with Torzi Biotech: Infrastructure & Technical Capabilities
Shaanxi Torzi Biotech Co., Ltd. is not an export broker or intermediary merchant; we are a primary botanical manufacturer head-quartered in Xi'an, operating under continuous SGS on-site quality surveillance. Spanning over 12,447 square meters of standardized GMP workshops, our operations bridge sustainable herb cultivation with analytical rigor.
Qinling Terroir Advantage
Direct supply contracts with ethical wildcrafting and agricultural cooperatives throughout the Qinling Mountain belt guarantee pristine initial biomass, zero cross-contamination, and stable crop pricing.
Full In-House Laboratory
Equipped with dual Agilent HPLC systems, Shimadzu Gas Chromatographs, Atomic Absorption (AAS), and Atomic Fluorescence Spectrometers to verify active yield, residual solvent, and microbials in-house.
International Credentials
Our extraction facilities and processes carry authenticated USDA Organic, Halal, Kosher, and ISO9001 certifications. On-site audits by independent third parties like SGS ensure absolute regulatory confidence.
OEM / ODM Custom Formulation
Beyond raw bulk powders, we manufacture customized dietary formulas, vegetarian HPMC encapsulation, powder jar packing, and nitrogen-flushed stick packaging with private label MOQs starting at 500 units.
The 8-Stage Botanical Extraction & Quality Control Pipeline
Every commercial batch produced by Torzi Biotech traverses eight rigorously documented in-process control (IPC) checkpoints before release for global maritime or air shipment:
Biomass Quarantine
Species botanical identification, moisture profiling, and pesticide screening.
Controlled Extraction
Automated countercurrent water or ethanol extraction with temperature regulation.
Vacuum Concentration
Low-temperature falling film evaporation preserving heat-sensitive polyphenols.
Resin Purification
Macroporous adsorption column chromatography isolating target active fractions.
Spray Drying Tower
Instant high-speed centrifugal atomization into uniform, free-flowing dry particles.
Milling & Sieving
Air classifier milling (80–200 mesh) with rare-earth permanent magnetic traps.
Homogenization
Three-dimensional multi-ton ribbon blending ensuring inter-batch consistency.
Cleanroom Packing
Double medical-grade PE inner liner bagging, aluminum moisture seal, and fiber drum.
Frequently Asked Questions for Plant Extract Powder Importers
Detailed technical clarification on custom synthesis, compliance paperwork, MOQs, and delivery terms:
How do you prevent moisture absorption and caking in hygroscopic plant powders?
Botanical extracts with high polysaccharide or organic acid fractions (such as Kiwi, Lemon, and Maca) naturally attract environmental humidity. We utilize low-temperature vacuum spray drying paired with controlled microencapsulation (using certified organic maltodextrin or acacia fiber carriers upon request). Finished products are packed in heat-sealed, multi-layer aluminum barrier foil pouches inside tamper-evident 25 kg fiber drums with food-grade molecular sieve desiccants.
What analytical documentation accompanies every commercial export shipment?
Every single production lot is shipped with an authentic, batch-specific Certificate of Analysis (COA). Standard COAs enumerate botanical genus and species, physical characteristics (color, mesh size, bulk density), HPLC or UV active assay, loss on drying, ash content, heavy metals (Pb, As, Cd, Hg tested via AAS/AFS), and microbial limits (Total Aerobic Count, Yeast/Mold, E. coli, Salmonella). Free Sales Certificates, Non-Irradiation declarations, BSE/TSE statements, and Allergen reports are issued on demand.
What is the standard Minimum Order Quantity (MOQ) for pilot vs. commercial orders?
For R&D formulators and new product verification, our minimum order quantity starts at just 1 kg to 5 kg for standard stock items. Commercial bulk supply agreements operate on 25 kg standard drum units. For private label encapsulation or retail pouch packaging, our low-barrier OEM threshold begins at 500 bottles or 1,000 stick packs, providing maximum capital flexibility for emerging wellness brands.
How does Torzi Biotech handle international customs clearance and shipping documentation?
Our global trade team has 17+ years of seamless export experience covering Incoterms EXW, FOB, CIF, DDU, and DDP. We provide full customs packs including Commercial Invoices, Packing Lists with HS codes (typically Chapter 13 or 29), Bill of Lading / Airway Bill, Certificate of Origin (Form A, Form E, or CO), and phytosanitary clearance issued by China Inspection and Quarantine (CIQ).
Can you match custom particle size (mesh) and bulk density specifications?
Yes. We operate cryogenic air-classifier mills capable of grinding powders from standard 80 mesh up to 300 ultra-fine mesh or specialized agglomerated granules for direct compression (DC) tableting. If your product is destined for automatic capsule filling machines, we fine-tune bulk density (0.45–0.70 g/ml) and angle of repose to prevent machine jamming.
Request a Factory-Direct Technical Dossier & Price Quote
Connect with our phytochemistry engineers to review specifications, request free evaluation samples, or initiate custom private label contract manufacturing.