The global functional botanical ingredient landscape is undergoing a systemic transition from general bulk dried powders to precision-engineered standard extracts characterized by verified fingerprint chromatography, high molecular stability, and zero agrochemical residue. As an integrated research-driven entity, Xi'an Vexli Bio-Tech Co., Ltd. orchestrates raw botanical processing across 25 partner factories, bridging agricultural provenance in Shaanxi with pharmaceutical-grade cGMP purification standards.
Factory-direct wholesale specifications, compliant with USP, EP, and FCC analytical standards.
Shade-cultivated, first-flush Camellia sinensis stone-milled to sub-micron particle distributions. Delivers deep umami profile with elevated L-theanine and chlorogenic acid retention.
End-to-end turnkey OEM packaging solution with inert nitrogen-flushed tin sealing to halt antioxidant oxidation. Available from culinary 1A up to master ceremonial 7A specifications.
100% pure Dioscorea alata rhizome extract dried via low-temperature vacuum crystallization. Rigorously pre-screened by Eurofins for multi-residue pesticides and synthetic pigments.
Fine micronized purple yam powder calibrated specifically for instant cold/hot beverage applications. Stable dispersion dynamics without sedimentation or chalky mouthfeel.
Clarified, cold-water soluble black tea extract engineered through cyclic membrane filtration. Preserves characteristic thearubigins and theaflavins with zero cloudiness in RTD bottling.
Comprehensive contract manufacturing service featuring foil zip pouches, multi-layer laminated composite cylinders, and custom batch tracking for premier wellness brands.
Ultra-purified bio-mimetic tripeptide copper complex synthesizing pure Glycyl-L-Histidyl-L-Lysine. Validated via HPLC for anti-aging cosmetic serums and transdermal formulations.
Water-soluble pigment-protein complex derived from Arthrospira platensis. Delivers natural brilliant blue hues with standardized color values ranging from E3 (food) to E40 (reagent grade).
A technical guide for R&D formulators and enterprise procurement managers navigating changing regulations.
Global regulatory bodies (FDA, EFSA, TGA) are increasingly deprecating vague "ratio claims" (e.g., 10:1 or 20:1) in favor of validated marker compound quantification. B2B procurement must mandate HPLC or LC-MS/MS fingerprint assays to authenticate specific chemical entities (such as Mogroside V, Epicatechin Gallate, or Phycocyanobilin chromophores) rather than relying on dry extraction mass multipliers.
With heightened scrutiny over synthetic dyes (e.g., Red 40, Blue 1, Titanium Dioxide bans in Europe), industrial confectioners and beverage brands are pivoting rapidly to phycocyanin, butterfly pea flower, and purple sweet potato anthocyanins. Future-proof supply contracts require cold-water instant solubility along with proven thermal and pH stability ranges between 2.5 and 7.8.
Cross-border supply chain security requires origin DNA barcoding, multi-residue pesticide screens compliant with BS EN 15662, and non-detectable ethylene oxide (EtO) certificates. Xi'an Vexli utilizes complete batch retention and audit trails from provincial plantation plots through solvent regeneration, spray drying, and hermetic cleanroom filling.
Benchmarking critical physical and analytical attributes across core product classes.
| Product Category | Primary Marker Compound | Standard Assay Method | Particle Size (Mesh) | Moisture & Ash Limits | Compliance Standards |
|---|---|---|---|---|---|
| Organic Matcha Powder | Polyphenols ≥18%, L-Theanine ≥1.5% | HPLC / Spectrophotometry | Sub-micron (800–1200 mesh) | Moisture ≤5.0%, Ash ≤6.5% | USDA Organic, EU Organic, JAS, ISO 22000 |
| Blue Spirulina Phycocyanin | Phycocyanin Content (E18 to E40) | UV-Vis (Absorbance at 620/280nm) | 80–120 mesh (Instant Soluble) | Moisture ≤6.0%, Ash ≤8.0% | FDA Title 21 CFR, Halal, Kosher, HACCP |
| Natural Purple Yam Powder | Natural Anthocyanins & Complex Starches | Spectrophotometry / UV-Vis | 80–200 mesh / 450 mesh | Moisture ≤7.0%, Ash ≤5.0% | Eurofins BS EN 15662, Food Grade EU standard |
| GHK-Cu Copper Peptide | Copper Peptide (GHK-Cu) ≥99.0% | HPLC (High Performance Liquid) | 100% through 80 mesh | Moisture ≤5.0%, Acetate ≤10% | Cosmetic Raw Material, INCI Registered, Non-GMO |
| Instant Soluble Black Tea | Tea Polyphenols ≥25%, Theaflavins | HPLC Method | 100% water-soluble granular powder | Moisture ≤4.5%, Ash ≤7.0% | FOB/DDP Export Standard, Clean Label Certified |
Combining domestic herb harvesting advantages with rigorous international trade capacity.
Our complete operational footprint—including extraction workshops, cleanrooms, and testing facilities—has passed strict third-party factory assessments conducted directly on-site by SGS auditors.
Holding proprietary invention patents (ZL 2014 1 0464649.9 for active extraction) and specialized utility model patents (No. 14520048) ensuring high separation efficiency, higher yields, and pure crystallized batches.
We provide full air/sea documentation, including accredited IATA DGR and IMDG non-hazardous cargo certificates, ensuring rapid customs transit to more than 30 nations across Europe, North America, and APAC.
Every commercial delivery includes lot-specific chromatographic assays, moisture, bulk density, heavy metals (≤10ppm combined; Pb, As, Cd, Hg), and microbial plate counts for full traceability.
Eliminating prohibitive order minimums, we support emerging brands with pilot trial orders starting from 1 kg for high-potency powders, scaling seamlessly to 50-metric-ton bulk containers.
Strict conformity with ISO 22000 Food Safety Systems, HACCP, USDA Organic, EU Organic, Kosher, and Halal standards. Verified supplier to international Fortune 500 corporations.
Clear, direct answers for QA specialists, formulators, and category purchasing leads.