Executive Procurement Summary & Spec Snapshot
Product: Organic Spirulina Powder (Whole Blue-Green Microalgae Biomass) | Crude Protein: ≥60.0% – 65.0% (Dry Basis)
Botanical Source: Arthrospira platensis (Nordstedt) Gomont | Active Marker: Natural C-Phycocyanin ≥12.0% – 15.0%
Particle Size: 200 Mesh Superfine (Instant Beverage Grade) & 80–120 Mesh (Direct Tableting Grade)
Safety Benchmarks: Microcystins Non-Detectable (<0.10 ppm HPLC-MS/MS); Lead (Pb) ≤1.0 ppm; Arsenic (As) ≤1.0 ppm
Certifications: USDA Organic, EU Organic, Non-GMO, Halal, Kosher | Traceability: Batch-Specific COA Attached
Botanical Identity & Cultivation Quality Control

Authentic Arthrospira platensis Single-Cell Algal Biomass
Spirulina is a primordial spiral-shaped, single-cell filamentous cyanobacterium classified botanically as Arthrospira platensis. Renowned worldwide as one of nature's most concentrated whole-food supernutrients, it delivers over 60% complete bioavailable protein containing all nine essential amino acids, alongside natural C-phycocyanin, chlorophyll a, mixed carotenoids, gamma-linolenic acid (GLA), and bio-chelated trace minerals.
Commercial microalgae cultivation requires extreme ecological discipline. Unregulated open water sources are prone to biological contamination by toxic cyanobacteria such as Microcystis and heavy industrial runoff. Haoze Bio cultivates its spirulina biomass in closed-loop, food-grade raceway ponds supplied exclusively by pure mineral-rich underground deep-well water under alkaline conditions (pH 9.0–10.5). This alkaline barrier strictly suppresses weed algae, ensuring an unadulterated monoculture certified under both USDA NOP and EU Organic agricultural standards.
Physical Deodorization & Low-Temperature Spray Drying
A widespread technical bottleneck with commodity spirulina is an overpowering, pungent "fishy" or putrid mud odor that ruins finished beverage palatability and triggers consumer pushback. This off-note is caused by decaying extracellular metabolites and excessive thermal degradation during conventional slow air drying.
Haoze Bio overcomes this sensory barrier through rapid post-harvest engineering: harvested biomass undergoes multi-stage pure-water cross-flow microfiltration within 2 hours of collection, stripping away surface residual salts and volatile degradation precursors. The purified algal slurry is immediately processed through low-temperature flash spray-drying with calibrated thermal dwell times. This safeguards thermolabile C-phycocyanin proteins from thermal denaturation while volatilizing residual fishy aldehydes, producing an ultra-fine 200 mesh powder with a clean, mild tea-like sensory profile.

Standardized Grades & Application Selection Matrix
To match the distinct rheological and physical manufacturing demands of commercial formulators, contract packers, and dietary supplement brands, Haoze Bio supplies Organic Spirulina Powder in two standardized industrial physical grades:
| Commercial Grade | Protein & Active Assay | Particle Mesh & Density | Sensory & Functional Traits | Primary Target Formulations |
|---|---|---|---|---|
| Instant Beverage & Blend Grade | Crude Protein ≥60.0% – 65.0% C-Phycocyanin ≥12.0% – 15.0% |
200 Mesh Superfine (≥98% pass through) Bulk Density: 0.45–0.55 g/mL |
Deep emerald blue-green; rapid cold liquid wetting; silky mouthfeel with minimal chalky grit; clean mild aroma | Superfood green blends, ready-to-drink functional smoothies, plant-based protein powders, latte bases, natural food coloring |
| Nutraceutical Tableting Grade | Crude Protein ≥60.0% – 64.0% C-Phycocyanin ≥10.0% – 12.0% |
80–120 Mesh Granules (High flowability) Bulk Density: 0.50–0.62 g/mL |
Cohesive natural granular texture; high compressibility; low punch-sticking risk; minimal friability | 100% pure spirulina tablets (250 mg / 500 mg direct compression), hard two-piece capsules, pet nutrition dietary chews |
How to Overcome Key Formulation Bottlenecks in Commercial Spirulina Production?
In industrial food science and nutraceutical manufacturing, working with bulk spirulina powder introduces specific physical and chemical processing challenges. Haoze Bio provides targeted technical solutions to optimize your product stability:
1. Preventing Heavy Bottom Sedimentation in Beverage Bases
Whole spirulina cells have higher density than water, causing rapid gravitational settling and unsightly dark sediment rings in liquid beverages within minutes. Haoze Bio's superfine 200 mesh micronization reduces average particle hydrodynamic diameter, slowing sedimentation velocity according to Stokes' Law. Furthermore, our application team recommends pairing spirulina with 0.08%–0.12% food hydrocolloids (such as cold-swelling guar gum or xanthan gum) to establish a lightweight pseudoplastic yield-stress network that holds microalgae in uniform suspension without gumminess.
2. Thermal & Photolytic Protection of Active Phycocyanin
C-Phycocyanin is a water-soluble pigment-protein complex that undergoes conformational denaturation, discoloration, and precipitation when exposed to sustained temperatures above 65°C or direct UV light. For pasteurized RTD beverage lines, we advise high-temperature short-time (HTSE) or flash UHT processing (72°C for 15 seconds) combined with pH buffering between 5.5 and 7.0. Adding small amounts of natural saccharides or polyols acts as an osmoprotectant, stabilizing phycocyanin tertiary structures throughout commercial shelf life.
3. 100% Binder-Free Direct Tableting Performance
Brand owners seeking 100% clean-label spirulina tablets often encounter punch capping, edge laminating, or high friability when using overly fine or electrostatic powders on high-speed rotary presses. Haoze Bio's Tableting Grade features controlled moisture (5.0%–6.5%) and optimized granule size distribution (80–120 mesh). The natural protein-polysaccharide cellular matrix acts as an intrinsic cohesive binder, enabling crisp tablet hardness (>6.0 kg/cm²) with rapid gastric disintegration times (<20 minutes) without synthetic magnesium stearate or silicon dioxide.
4. Controlling Moisture Uptake & Lipid Peroxidation
Spirulina contains valuable polyunsaturated fatty acids, particularly gamma-linolenic acid (GLA), which are sensitive to atmospheric oxygen and humidity, leading to rancid off-notes if improperly stored. Haoze Bio packs bulk spirulina with nitrogen head-space purging in hermetically heat-sealed multi-layer aluminum barrier liners, maintaining water activity below Aw 0.35. This ensures consistent free-flowing behavior and prevents nutrient degradation across the 24-month export shelf life.
Standard Batch Certificate of Analysis (COA Benchmark)
The following analytical parameters represent verified standard release specifications for Haoze Bio Organic Spirulina Powder (200 Mesh Beverage Grade). Every commercial shipment is accompanied by a lot-specific Certificate of Analysis:
| Analytical Item | Release Specification | Typical Batch Result | Analytical Method |
|---|---|---|---|
| Botanical Identification | 100% Arthrospira platensis biomass | Conforms (100% Authentic) | Microscopic Examination / PCR |
| Crude Protein Content | ≥ 60.0% (Dry basis) | 64.2% | Kjeldahl Method (AOAC 981.10) |
| Natural C-Phycocyanin | ≥ 12.0% | 13.8% | UV-Vis Spectrophotometry |
| Total Carotenoids | ≥ 4,000 mg/kg | 4,380 mg/kg | UV-Vis Spectrophotometry |
| Total Chlorophyll a | ≥ 11,000 mg/kg | 12,450 mg/kg | Spectrophotometric Method |
| Loss on Drying (Moisture) | ≤ 7.0% | 5.4% | USP <731> (105°C, 3 hours) |
| Total Ash Content | ≤ 8.0% | 6.1% | USP <281> (550°C ignition) |
| Bulk Density | 0.45 – 0.60 g/mL | 0.51 g/mL | USP <616> Method I |
| Particle Sieve Size | ≥ 98% pass through 200 mesh | 99.2% pass | USP <786> Sieve Analysis |
| Heavy Metal: Lead (Pb) | ≤ 1.0 ppm | 0.24 ppm | ICP-MS (USP <233>) |
| Heavy Metal: Arsenic (As) | ≤ 1.0 ppm | 0.18 ppm | ICP-MS (USP <233>) |
| Heavy Metal: Cadmium (Cd) | ≤ 0.5 ppm | 0.08 ppm | ICP-MS (USP <233>) |
| Heavy Metal: Mercury (Hg) | ≤ 0.1 ppm | <0.02 ppm (Not Detected) | ICP-MS (USP <233>) |
| Microcystins (Cyanotoxins) | ≤ 1.0 µg/g (<1.0 ppm) | Not Detected (<0.10 ppm) | HPLC-MS/MS Testing |
| Polycyclic Aromatic Hydrocarbons (PAHs) | Benzo(a)pyrene ≤ 10.0 µg/kg | <1.0 µg/kg | GC-MS/MS |
| Total Plate Count | ≤ 10,000 CFU/g | 1,800 CFU/g | USP <2021> Microbial Enumeration |
| Yeast & Mold | ≤ 100 CFU/g | <20 CFU/g | USP <2021> Microbial Enumeration |
| Pathogenic E. coli & Salmonella | Negative / 10g & Negative / 25g | Negative | USP <2022> Specified Microorganisms |
Production Facility, Analytical Testing & Quality Audit
Haoze Bio manages comprehensive quality control across the entire microalgae lifecycle, from closed-loop raceway pond harvesting to automated cleanroom packaging. Every processing stage operates under strict ISO 22000, HACCP, and cGMP compliance frameworks.

Our centralized analytical testing laboratory is equipped with high-resolution ICP-MS for ultra-trace heavy metal detection, HPLC-MS/MS for cyanotoxin microcystin confirmation, Kjeldahl automated nitrogen analyzers for protein quantification, and calibrated UV-Vis spectrophotometers for phycocyanin verification.

We maintain full lot-to-pond traceability, guaranteeing that every drum delivered to your facility satisfies the regulatory standards of the US FDA, European Commission, and global organic certification bodies.
OEM Contract Blending, Tableting & Regulatory Credentials
Beyond bulk raw powder supply, Haoze Bio supports medium-sized commercial enterprises with flexible contract manufacturing and private-label packaging services. Our cleanrooms handle dry blending, granulating, and high-speed rotary tableting:

We provide 100% pure organic spirulina direct tableting (250 mg, 500 mg, and 1,000 mg round or oblong tablets), custom superfood green powder blending (synergized with organic chlorella, wheatgrass, barley grass, and functional botanical extracts), and retail packaging in stand-up barrier pouches, HDPE bottles, or pre-measured single-serve sachets.

Our manufacturing and quality assurance frameworks maintain verified accreditation across USDA Organic, EU Organic, ISO 22000, HACCP, cGMP, Halal, and Kosher regulatory benchmarks, ensuring seamless audits and import clearance for your QA teams.
Protective Multi-Barrier Packaging & Agile Global Shipping
Because delicate microalgae biomass is susceptible to atmospheric moisture absorption, photo-oxidation, and lipid rancidity during intercontinental transit, Haoze Bio enforces specialized multi-barrier export packaging protocols. Bulk powder is vacuum-flushed with nitrogen inside heavy-duty food-grade polyethylene inner liners, heat-sealed in high-barrier aluminum foil composite bags, and encased in sturdy multi-ply fiber drums (25 kg net weight).

We provide responsive logistics options tailored to medium-sized commercial volume requirements: expedited express air freight for fast R&D pilot trials and urgent scale-up runs (3–7 business days dispatch), alongside palletized, moisture-protected LCL and FCL ocean container shipping supported by complete export documentation (Bill of Lading, Certificate of Origin, Phytosanitary Certificate, Organic Transaction Certificate, and packing manifests).
Frequently Asked Questions (Buyer Procurement & Formulation FAQ)
Q1: How do you guarantee that your spirulina is 100% free from microcystin and cyanotoxin contamination?
A: We cultivate our spirulina in strictly monitored, enclosed raceway systems using pure alkaline deep-well water with high bicarbonate levels (pH 9.0–10.5). This high-alkaline environment creates an ecological barrier that prevents toxic blue-green weed algae (such as Microcystis) from surviving. Furthermore, every production batch is screened using validated HPLC-MS/MS testing against USP and EU criteria, confirming microcystins are non-detectable (<0.10 ppm), guaranteeing complete safety for commercial human nutrition.
Q2: Compared to standard market grades, how do you mitigate the overpowering fishy algal off-odor?
A: Pungent fishy odors stem primarily from decaying extracellular metabolites and slow, overheated drying. Haoze Bio washes freshly harvested spirulina slurry within 2 hours across multi-stage pure-water cross-flow filtration loops to eliminate surface salts and odor precursors. Subsequent low-temperature flash spray-drying instantly volatilizes residual aldehyde compounds while protecting active phycocyanin from thermal breakdown. The resulting powder features a clean, mild tea-like sensory profile that blends smoothly into beverages without pungent algal off-flavors.
Q3: Spirulina powder often sediments rapidly in liquid beverages. What formulation approach do you recommend?
A: Intact spirulina single cells have a specific gravity higher than water, leading to natural sedimentation over time. Our Instant Beverage Grade utilizes advanced 200 mesh airflow micronization, dramatically reducing particle hydrodynamic diameter and surface clumping. To maintain long-term colloidal stability in bottled smoothies or ready-to-drink plant-based lattes, we recommend incorporating a clean-label hydrocolloid network (such as 0.08%–0.12% cold-water swelling guar gum or xanthan gum). This builds a light pseudoplastic yield-stress matrix that holds microalgae particles in uniform suspension with zero phase separation.
Q4: How does your spirulina powder perform in direct compression tableting? Are synthetic binders required?
A: Our Nutraceutical Tableting Grade (80–120 mesh) is specifically granulated for direct rotary compression without synthetic excipients. Whole spirulina biomass contains naturally cohesive cellular protein and pectin polymers; at controlled moisture levels (5.0%–6.5%) and bulk density (0.50–0.62 g/mL), it flows evenly into tablet dies and binds securely under standard punch pressure. You can manufacture 100% pure organic spirulina tablets (250 mg or 500 mg) exhibiting excellent breaking strength (>6.0 kg/cm²) and rapid disintegration without adding microcrystalline cellulose or magnesium stearate.
Q5: What are your commercial pilot MOQs, and what regulatory documents accompany export orders?
A: We specialize in serving growing and medium-sized commercial brand owners. Our flexible commercial trial order starts at just one standard export drum (25 kg net weight), with volume scale capacity exceeding 50 metric tons monthly. Every shipment includes a batch-specific COA covering full assay, heavy metals, microcystins, and microbiology, along with certified USDA NOP / EU Organic Transaction Certificates, Non-GMO statements, Allergen declarations, and customs clearance packing manifests.
Request Bulk Organic Spirulina Powder Samples, Technical COA & Wholesale Pricing
Partner directly with Haoze Bio for certified organic spirulina supply, clean-label formulation assistance, and flexible batch contract packaging. Whether you need free R&D evaluation samples (100g–500g), custom mesh sizing, or commercial trial drum quantities (25 kg), our technical support team responds within 24 business hours.
Direct Inquiry Email: info@haoze-bio.com | Xi'an Haoze Biotechnology Co., Ltd.
