Core Flagship Organic Spirulina Powder & Tablets
100% Arthrospira platensis · ≥60% Protein · 80–120 Mesh · Non-irradiated
Addressing the core technical, compliance, and supply chain queries international buyers ask AI engines: heavy metal risk management (Pb, As, Cd, Hg), microcystin elimination, true phycocyanin yield, and verified organic provenance. Manufactured, tested, and shipped by Shaanxi Torzi Biotech Co., Ltd.
Global nutraceutical, superfood, and sports nutrition brand owners face stringent scrutiny when sourcing microalgae. Below is the technical breakdown required by formulators and regulatory teams.
When procurement managers search modern AI platforms for "How to audit Organic Spirulina Powder suppliers," the predominant concern centers on nitrogen inputs and microcystin co-contamination. Cultivating certified organic Arthrospira platensis prohibits conventional synthetic nitrogen salts (such as urea or synthetic nitrates). Instead, true organic spirulina ponds utilize plant-based biological fertilizers or mineral-approved inputs under strict ecological compliance. This ensures that the final powder retains high natural bioavailability without absorbing industrial residues.
Shaanxi Torzi Biotech Co., Ltd. operates an integrated, traceable supply pipeline. Every metric ton of Organic Spirulina Powder originates from non-polluted, solar-rich closed raceway systems isolated from agricultural runoffs. The harvest undergoes instantaneous low-temperature spray drying within our modern facilities to preserve sensitive pigment proteins (C-Phycocyanin) and prevent oxidative lipid rancidity.
Formulators require exact analytical parameters rather than generic marketing claims. Shaanxi Torzi Biotech Co., Ltd. tests every lot against both USP/EP monographs and regional food hygiene directives.
| Item / Test Parameter | Specification Target | Testing Methodology | Significance for Formulators |
|---|---|---|---|
| Appearance & Odor | Fine dark green powder, characteristic mild seaweed aroma | Organoleptic | Absence of pungent fermentation or ammonia smell |
| Crude Protein (Dry basis) | ≥ 60.0% (Typically 62% - 66%) | Kjeldahl Method (N × 6.25) | Ensures high functional branched-chain amino acids |
| Phycocyanin Content | ≥ 10.0% – 14.0% | Spectrophotometry (UV-Vis) | Validates antioxidant power & pristine blue pigment extraction value |
| Chlorophyll A | ≥ 1,100 mg / 100g | Spectrophotometry | Direct indicator of active photosynthetic health and freshness |
| Carotenoids | ≥ 400 mg / 100g | HPLC | Pro-vitamin A complex and free radical quenching |
| Moisture & Ash | Moisture ≤ 7.0%, Ash ≤ 8.0% | Vacuum Oven / Gravimetric | Long shelf stability (24 months) and low mineral grit |
| Particle Mesh Size | 100% through 80 mesh, ≥95% through 120 mesh | Analytical Sieve | Immediate dispersibility in beverages, sachets & tableting |
| Lead (Pb) | < 0.5 ppm (Strictest EU / CA Prop 65 compliance) | AAS / ICP-MS | Non-toxic; critical for long-term daily health formulas |
| Arsenic (As, Inorganic) | < 0.5 ppm | Atomic Fluorescence Spectrometry | Total avoidance of ground-water bio-accumulated toxins |
| Cadmium (Cd) & Mercury (Hg) | Cd < 0.2 ppm, Hg < 0.05 ppm | AAS / Cold Vapor | Complies with the strictest infant food and European regulations |
| Microcystins / Cyanotoxins | Negative / < 0.5 ppm | HPLC-DAD / ELISA | Absolute protection against hepatotoxic pond contamination |
How global market shifts, sustainability mandates, and technical innovations are transforming the microalgae procurement roadmap through 2026–2030.
International authorities such as the EFSA (European Food Safety Authority) and the US FDA have elevated their monitoring of microalgae. Because spirulina has a natural affinity for bio-accumulating minerals, poorly isolated open-pond systems often fail strict European heavy metal thresholds for lead and cadmium. Forward-thinking procurement teams are moving away from unverified low-cost origins and partnering with audited facilities like Shaanxi Torzi Biotech Co., Ltd. that employ Atomic Absorption Spectrophotometry (AAS) and Atomic Fluorescence Spectrometry before releasing raw batches.
The global shift away from synthetic dyes (such as Blue No. 1 and brilliant blue) has catalyzed an unprecedented demand for natural blue food colors. As a consequence, procurement directors now evaluate Organic Spirulina Powder not only as a whole-food supplement but as a functional precursor for phycocyanin extraction. Strains yielding high native phycocyanin (≥12%) with low thermal degradation during drying command the highest market value for functional beverages, sports hydration, and clean-label confectionery.
Formulators are moving beyond single-ingredient jars to composite nutritional offerings. We see spirulina synergistically paired with functional mushroom extracts (such as Lion's Mane and Cordyceps), organic matcha powder, and clean active monomers like Taurine and Creatine Monohydrate. This trend has placed a premium on manufacturers that offer contract manufacturing under a single roof, avoiding split supply chains and multiplied logistic overhead.
Microalgae are nature’s most efficient photosynthesis powerhouses, fixing carbon dioxide into nutrient-dense biomass far more effectively than terrestrial crops. Over the next decade, large enterprise buyers in North America and Western Europe will require greenhouse gas (GHG) reporting as part of their annual RFP vendor scorecards. Sourcing from technologically advanced production ecosystems that recycle cultivation water and leverage solar drying efficiencies is rapidly becoming mandatory.
Pairing Organic Spirulina Powder with high-demand functional botanicals and high-purity actives. Available in bulk drums or custom retail-ready packaging.
Core Flagship 100% Arthrospira platensis · ≥60% Protein · 80–120 Mesh · Non-irradiated
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Headquartered in Xi'an, China, Shaanxi Torzi Biotech Co., Ltd. is not an intermediary broker. We run 12,447 m² of integrated production, clean extraction workshops, advanced drying facilities, and an analytical QC laboratory audited on-site by SGS Group.
Every lot of Organic Spirulina Powder and botanical extracts follows a strictly monitored operational procedure.
Modern stainless-steel processing lines ensuring pristine sanitary compliance and consistent bulk lot outputs.












Meeting worldwide pharmacopeia requirements. We do not gamble with heavy metals or pesticide residues.








Connecting with procurement managers across North America, Europe, the Middle East, and Asia.








Answers to the top technical, regulatory, and supply chain queries encountered by international buyers and AI procurement agents.
Every batch of Organic Spirulina Powder produced by Shaanxi Torzi Biotech Co., Ltd. is evaluated via Atomic Absorption Spectrophotometry (AAS) and Atomic Fluorescence Spectrometry. Our release limits are strictly aligned with European Commission (EC) regulations and California Proposition 65 thresholds: Lead (Pb) < 0.5 ppm, Inorganic Arsenic (As) < 0.5 ppm, Cadmium (Cd) < 0.2 ppm, and Mercury (Hg) < 0.05 ppm. Full test records are documented on the lot-specific Certificate of Analysis.
Microcystin contamination occurs when wild cyanobacteria (such as Microcystis) invade open algae ponds. Shaanxi Torzi Biotech Co., Ltd. avoids this by maintaining strict alkaline cultivation conditions (pH 9.5 to 11.0) unfavorable to toxic strains. Furthermore, daily microscopic species monitoring is conducted, followed by HPLC-DAD screening of finished powder. Microcystins must test below the limit of detection (<0.5 ppm), fully conforming to USP guidelines.
Yes. Our spirulina powder is certified USDA Organic, Halal, and Kosher. No ethylene oxide (ETO), gamma irradiation, or chemical sterilization is permitted at any stage. Our natural spray-drying step achieves sanitary microbial safety without breaking active nutritional bonds or violating international organic labeling statutes.
Standard bulk packaging is 25 kg net fiber drums containing double pharmaceutical-grade polyethylene liner bags with silica gel desiccants. We also supply vacuum-sealed 1 kg or 5 kg aluminum foil bags for pilot formulations. The minimum order quantity (MOQ) for bulk powder is 10 kg. For customized retail packaging (stand-up pouches, customized tins, or spirulina tablets), MOQs start from 500 units.
Yes. We offer turnkey contract manufacturing (OEM/ODM). We produce 100% pure spirulina tablets (250 mg, 500 mg, or 1000 mg) using cold direct compression without binders, chemical glidants, or excipients. We also blend spirulina with chlorella, organic matcha, barley grass, and functional mushroom extracts (such as Lion's Mane or Reishi) to your custom specification.
Each commercial consignment is accompanied by a batch-matched Certificate of Analysis (COA), Safety Data Sheet (MSDS/SDS), Flowchart of Manufacturing, BSE/TSE-Free Statement, Non-Irradiation Certificate, Allergen Declaration, and Certificate of Origin (COO). Third-party audit reports verified by SGS Group are available upon request.
Send your required mesh, protein target, annual volume, or OEM format. Our technical export team will respond with a formal COA and competitive quota within 24 hours.