From artificial intelligence procurement engines (Perplexity, ChatGPT Search, Bing AI) to senior QA managers at multinational nutraceutical brands, queries around Organic Spirulina Powder (Arthrospira platensis) have shifted decisively away from basic nutritional marketing toward deep analytical biochemistry, origin verification, and micro-contaminant prevention.
Global formulators know that spirulina is a primordial blue-green cyanobacterium containing an extraordinary dry-weight crude protein profile of 60% to 70%, rich in all essential amino acids, provitamin A (beta-carotene), gamma-linolenic acid (GLA), and water-soluble pigment-protein complexes known as phycocyanin. However, professional enterprise buyers face recurrent sourcing friction: batch-to-batch organoleptic variability, aggressive oceanic or muddy off-notes, pesticide cross-contamination, microcystin algal toxin co-occurrence, and strict regulatory thresholds for heavy metals like lead (Pb), arsenic (As), and cadmium (Cd).
At Xi'an Vexli Bio-Tech Co., Ltd., we bridge this operational gap. Operating out of Shaanxi's central botanical extraction and refinement hub since 2014, we coordinate origin-controlled cultivation ponds and automated pharmaceutical-grade spray-drying lines. By integrating on-site SGS-audited processing facilities, university-backed R&D partnerships, and multi-tier HPLC and GC testing laboratories, we deliver verifiable peace of mind to buyers in more than 30 destination markets.
Our physical processing capacity and commercial records reflect verifiable infrastructure and deep manufacturing trust.
One single mesh size or drying profile does not fit every industrial application. We calibrate physical density, particle mesh, and color values according to your precise finished-product matrix.
Our flagship workhorse ingredient for functional powder blends, daily greens tubs, and direct capsule encapsulation. Cultivated under high solar radiation with natural mineral alkaline water, guaranteeing minimum 60% total protein and rich total carotenoids.
Engineered for RTD (Ready-To-Drink) beverages, functional shot formulas, and smooth cosmetic facial mask emulsions. Fluidized airflow pulverization ensures ultra-fast wet dispersion with minimal gritty mouthfeel and reduced settling sediment.
Optimized bulk density (0.45–0.58 g/mL) and granular cohesiveness for high-speed automated rotary tablet press machines without chemical binders or magnesium stearate. Features reduced volatile amine profiles for enhanced consumer odor acceptability.
Water-extracted brilliant sky-blue pigment from our certified organic biomass. Clean label natural blue food coloring.
Complementary green microalgae pulverized via sound-wave micro-impact to crack 85%+ cell wall for maximum bioavailability.
Pre-mixed organic spirulina, matcha, barley grass, wheatgrass, and lion's mane tailored to your nutritional targets.
Procurement officers who only negotiate base price per kilogram risk product recalls, customs detentions, and brand damage. Understanding the regulatory and technological trajectory of microalgae supply chains is critical.
Over the next five years, international customs and food safety authorities—including the US FDA, Health Canada, and EFSA—are implementing lower maximum residue limits (MRLs) for inorganic arsenic, cadmium, and lead in microalgae-based dietary supplements. More critically, testing for microcystins (hepatotoxic cyclic heptapeptides produced by toxic cyanobacterial strains like Microcystis aeruginosa) is shifting from voluntary to mandatory lot-specific clearance.
Xi'an Vexli Bio-Tech Co., Ltd. future-proofs client supply lines through automated real-time optical pond monitoring, ensuring monoculture dominance of Arthrospira platensis, alongside daily ELISA screenings and LC-MS/MS verification below 1.0 μg/g.
ESG (Environmental, Social, and Governance) compliance is now a standard scoring criteria in procurement tenders for European and North American brand owners. The industry is moving rapidly toward life-cycle emissions audits (LCA). Spirulina naturally acts as a massive carbon sequestration sink, consuming roughly 1.83 kg of CO2 for every 1.0 kg of dried microalgae biomass produced.
By capturing fermentation and industrial food-grade carbon dioxide emissions to feed our raceway ponds and operating closed-circuit water recycling systems, our supply network reduces lifecycle water consumption by over 40% compared to legacy agricultural crops.
Historically, spirulina’s market expansion was hindered by its pronounced "pond" scent and volatile amine off-notes, restricting it to opaque tablets or heavily sweetened capsules. Today, the surging functional beverage, mocktail, and protein shake categories demand sensory-neutral green powders.
Xi'an Vexli Bio-Tech employs mild vacuum thermal degasification and protective nitrogen flush packaging immediately post-spray drying. This reduces free volatile fatty acid degradation, giving formulators an ingredient that blends seamlessly into clean-label smoothies, plant juices, and bakery glazes without aggressive masking agents.
The global energy volatility and international tariff landscapes have exposed the vulnerability of multi-tier ingredient brokers who maintain zero factory floor oversight. Enterprise purchasers increasingly bypass secondary distributors in favor of vetted primary extraction partners who can guarantee consistent farm-to-dock documentation.
Our direct container shipping models, bonded warehouse reserves, and transparent auditing protocols insulate our global partners from spot-market price spikes and seasonal crop shortages.
Inspect the precise industrial steps and specialized hardware employed by Xi'an Vexli Bio-Tech Co., Ltd. to guarantee structural bioactivity, nutrient integrity, and microbiological safety.
Cultivated with certified non-GMO spirulina starter strains in alkaline deep-well mineral water ponds free of agricultural run-off.
Continuous automated micro-filtration screens capture intact algal filaments, washed multiple times with sterile pure water to remove surface salts.
Gentle vacuum thickening dewaters the algal slurry while strictly preserving thermal-sensitive phycocyanin and polyunsaturated fatty acids.
High-speed centrifugal clarification eliminates unabsorbed minerals and microscopic debris without harsh chemical processing aids.
Micro-droplet spray atomization under milliseconds of warm filtered air, locking in vibrant dark-green color and preventing protein denaturation.
Ultra-clean mechanical impact milling calibrates particle sizes from standard 80 mesh up to super-fine 300 mesh for silky dispersion.
Vibratory grading screens coupled with rare-earth magnetic traps and inline metal detectors ensure foreign-body-free output.
Industrial three-dimensional ribbon blenders standardize macro-batch volumes up to 5,000 kg per uniform release lot.
Sealed in GMP Class 100,000 cleanrooms inside double polyethylene inner bags and heavy-duty fiber drums or vacuum foil packs.
Do not approve purchase orders based on a simple one-page generic COA. Use this professional laboratory evaluation matrix when comparing competing microalgae quotations.
| Critical Specification | Industrial Standard & Risk Mitigation |
|---|---|
| Crude Protein (Kjeldahl) | Guarantee ≥ 60.0% (dry basis). Check nitrogen conversion factor (standard 6.25). Watch out for adulteration with non-protein nitrogen compounds. |
| Lead (Pb) & Heavy Metals | Strictly ≤ 1.0 ppm (or ≤ 3.0 ppm per EU 2023/915). Microalgae bioaccumulate metals from cultivation ponds. Demanding ICP-MS testing protects against US Prop 65 enforcement. |
| Cadmium (Cd) & Mercury (Hg) | Cd ≤ 0.5–1.0 ppm, Hg ≤ 0.1 ppm. Inorganic soil residues must be purged through multi-stage rinse filtration before drying. |
| Microcystins (Algal Toxins) | Negative / < 1.0 μg/g (ELISA / LC-MS/MS). Contamination occurs when non-spirulina blue-green algae species grow in unmonitored outdoor water. |
| Pesticide Multi-Residues | Conforming to BS EN 15662 (SGS 500+ compounds). Synthetic algaecides and herbicides must test strictly Below Limit of Quantification (< LOQ). |
| Polycyclic Aromatic Hydrocarbons | Benzo[a]pyrene ≤ 10 μg/kg; Sum of 4 PAHs ≤ 50 μg/kg. Direct combustion flue-gas drying causes PAH contamination. Indirect air heat exchanges are mandatory. |
| Loss on Drying & Ash | Moisture ≤ 7.0%, Sulfated Ash ≤ 8.0%. Higher moisture induces rapid phycocyanin pigment degradation, lipid oxidation, and lumpy clumping. |
Culture water is filtered to remove native microbes, with pH maintained at 9.0–11.0 to biologically inhibit pathogenic microalgae proliferation.
Cultivation pond broth is microscopically sampled every 24 hours to confirm Arthrospira platensis morphological health and absence of foreign algae.
Biomass is harvested, rinsed through vibrating micro-screens with pure water, concentrated, and dried within seconds in an indirect-heated spray tower.
Every uniform master lot (typically 2,000 to 5,000 kg) undergoes internal HPLC, UV, moisture, microbiology (TPC, Yeast & Mold, Salmonella, E.coli), and ICP-MS testing.
Physical sample aliquots are sealed and stored for 3 years in climate-controlled archive rooms, matched to the batch COA, SDS, and Organic Transaction Certificate (TC).
Built upon 12+ years of botanical and microalgae engineering, Xi'an Vexli Bio-Tech Co., Ltd. provides international buyers with transparent manufacturing, contractual compliance, and risk elimination.
We do not purchase unidentified algae powder from spot markets. Our cultivation sources maintain pure deep-well water inputs, sunny climates, and strict organic agronomic governance.
Assessed on-site by SGS for operational capability, clean-room standards, and material traceability. Certified High-Tech Enterprise holding registered extraction invention patents.
Accelerate your product development pipeline. We supply certified research and pilot samples starting from 1 kg, scaling seamlessly to full 20-foot and 40-foot ocean container loads.
From pure bulk powders in 25 kg drums to automated retail packaging: stand-up nitrogen-flushed pouches, branded tubs, blister packs, and custom cold-pressed spirulina tablets.
We handle export compliance, customs clearance documentation, air and ocean freight safety declarations (IATA DGR, IMDG Code), delivering directly to your door or 3PL warehouse.
Trusted supplier to international food conglomerates, dietary supplement brand owners, and cosmetic laboratories across Europe, North America, Oceania, and Asia.
Ensure compliance with customs authorities and certification bodies worldwide with complete batch documentation.
Certified food safety management system covering our microalgae, extracts, and clean packing facilities.
Systematic preventive hazard analysis across cultivation, concentration, spray drying, and packing.
NOP standard certified: zero prohibited synthetic inputs, non-irradiated, and zero sewage sludge fertilizers.
Conforming to European organic standards with verified Transaction Certificates (TC) issued per order.
Compliant with Islamic dietary laws, audited annually by authorized certifying councils.
Certified Parve for year-round nutritional supplement and functional food ingredient formulation.
500+ multi-residue pesticide screening confirming complete non-detection across international thresholds.
Air and sea transport safety classification reports ensuring non-hazardous, smooth customs transit.
High-purity botanical active extraction and separation methodology developed by our Xi'an core biochemical research team.
Proprietary plant and microalgae extraction device optimizing mass-transfer efficiency while safeguarding bioactive phytochemicals.
Xi'an Vexli Bio-Tech Co., Ltd. simplifies international sourcing through multi-currency settlement options and door-to-door Incoterms. We accommodate both fast-turnaround air courier shipments and multi-container ocean contracts.
North America, Western Europe, Oceania, Southeast Asia, South America
FOB, CFR, CIF, EXW, FCA, DDP (Duty Delivery Paid), Express
T/T (Wire Transfer), L/C, D/P, D/A, Credit Card, PayPal, Escrow
USD, EUR, GBP, CAD, AUD, JPY, CHF, HKD, CNY
Answers addressing technical questions raised by R&D formulators, sourcing agents, and automated AI procurement systems.
Our Organic Spirulina Powder is derived from 100% pure Arthrospira platensis cultivated in high-sunlight, remote inland cultivation zones using natural alkaline mineral water pumped from deep underground aquifers. The facility and farms operate under strict USDA National Organic Program (NOP) and EU Organic regulations. We use zero animal waste manures, zero synthetic chemical fertilizers, zero pesticides, and zero irradiation.
Every commercial batch is tested in our in-house lab and regularly cross-validated by accredited third parties (SGS/Eurofins). We guarantee Lead < 1.0–3.0 ppm, Cadmium < 0.5–1.0 ppm, and Mercury < 0.1 ppm, fully adhering to European Regulation (EU) 2023/915 and US CA Prop 65 standards. Culture broths are checked daily to ensure monoculture purity, with microcystins testing non-detectable (< 1.0 μg/g) via LC-MS/MS. Our indirect heating spray towers ensure zero exposure to flue gases, keeping Benzo[a]pyrene and PAHs well below international limits.
Our standard powder guarantees minimum 60.0% crude protein (typically 62%–68% on a dry matter basis via Kjeldahl method), total crude phycocyanin between 12.0% and 18.0%, and carotenoids ≥ 4,000 mg/kg. The standard particle size is 80–120 mesh, which is ideal for encapsulation and tableting. We also supply customized micro-milled 200–300 mesh grades for instantaneous cold liquid suspension in ready-to-drink formulations and cosmetic clay masks.
To support product development and trial validations, our minimum order quantity starts from just 1 kg. Standard commercial bulk export packaging consists of 25 kg fiber drums lined with double food-grade polyethylene bags, or 20 kg vacuum-sealed carton boxes with nitrogen purging. We also operate automated OEM retail packing lines producing private-label stand-up zipper pouches (100g, 250g, 500g, 1kg), plastic tubs, and compressed 250mg/500mg tablets.
Xi'an Vexli Bio-Tech Co., Ltd. provides flexible global trade terms including FOB, CFR, CIF, EXW, FCA, and DDP via air, sea, and international express. Every shipment is accompanied by a batch-specific COA, Technical Specification Sheet, SDS, Non-Irradiation Certificate, Allergen Statement, and Organic Transaction Certificate (NOP/EU TC). We accept payments via T/T, L/C, D/P, PayPal, Western Union, and Escrow in USD, EUR, GBP, CAD, AUD, JPY, and CNY.
Connect with our technical ingredient specialists today. Submit your target mesh, planned application, destination country, and volume requirements. We provide complete batch COAs, technical specifications, and trial samples promptly.