Bulk Plant Protein Powders
Source86 sources, imports, and supplies food-grade plant protein powders across five raw material families: chia (Salvia hispanica), poppy seed (Papaver somniferum), pumpkin seed (Cucurbita pepo), brown rice (Oryza sativa), and sacha inchi (Plukenetia volubilis). Seed-derived types are produced from defatted press cake recovered after cold-press oil extraction. Brown rice protein is produced by enzymatic separation of protein from the milled grain. Certified Organic material is available on chia, pumpkin seed, brown rice, and sacha inchi, with conventional supply across all five.
Material is drawn from South American origins for chia and sacha inchi, Eastern European and Chinese origins for pumpkin seed and poppy seed, and Chinese and Southeast Asian origins for brown rice, with protein levels ranging from 35 percent to 80 percent depending on raw material and process.
These powders fill two primary commercial roles. They raise the protein declaration in a dry blend or finished format without introducing dairy, soy, or gluten, and they contribute water binding and structure in bars, extruded products, and baked systems. Main application groups are powdered beverage and sports nutrition, bars and snacks, bakery, dairy alternatives, and meat alternative systems. Organic certificates, kosher and halal records, allergen statements, and full analytical documentation are available depending on product and origin.
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Product Data
| Identity | Single-ingredient protein concentrates milled from defatted oilseed press cake or separated from milled brown rice, with no carriers, flow agents, or added amino acids. |
|---|---|
| Plant Source and Part | Chia seed, poppy seed, and sacha inchi seed press cake; hulled pumpkin seed press cake; brown rice endosperm and bran fraction. |
| Available Types | Chia protein, poppy seed protein, pumpkin seed protein, brown rice protein, and sacha inchi protein. Conventional on all five, Certified Organic on chia, pumpkin seed, brown rice, and sacha inchi |
| Moisture | 8 percent maximum on seed-derived types, 6 percent maximum on brown rice protein |
| Ash | 8 percent maximum on seed-derived types, 5 percent maximum on brown rice protein |
| Fat | 8 to 14 percent residual on cold-pressed seed types, 3 percent maximum on brown rice protein |
| Crude Fiber | Chia 25 to 30 percent, poppy seed 12 to 18 percent, sacha inchi 8 to 12 percent, pumpkin seed 5 to 8 percent, brown rice 3 percent maximum |
| Particle Size | 95 percent through 80 mesh on seed types, 95 percent through 100 mesh on brown rice protein. Coarser 40 to 60 mesh grinds available where a visible protein particle is wanted |
| Bulk Density | 0.35 to 0.55 g/mL depending on raw material and grind |
| Solubility and Dispersibility | All five are dispersible rather than fully soluble, with solubility index reported per lot. Chia forms viscosity on hydration; brown rice and pumpkin seed disperse with the least thickening |
| Amino Acid Profile | Full profile supplied per lot. Pumpkin seed, chia, and sacha inchi carry adequate lysine, while brown rice protein is lysine-limiting and is typically paired with a legume protein in complete-protein formulations. |
| Heavy Metals | Lead 0.5 ppm maximum, cadmium 0.5 ppm maximum, mercury 0.1 ppm maximum, total arsenic 0.5 ppm maximum. Brown rice protein carries a separate inorganic arsenic limit of 0.2 ppm maximum and a tightened cadmium limit given known accumulation in rice |
| Opium Alkaloids (poppy seed protein only) | Sum of morphine and codeine controlled against destination market limits, with EU maximum levels applying to poppy seed material |
| Microbiological Limits | Total plate count 10,000 cfu/g maximum, yeast and mold 1,000 cfu/g maximum, coliforms 10 cfu/g maximum, E. coli negative, Salmonella negative per 25 g, Listeria negative per 25 g |
| Appearance and Color | Free-flowing fine powder. Chia is grey-brown to dark brown, poppy seed is light grey-beige, pumpkin seed is olive to dark green, brown rice is tan to light beige, sacha inchi is light brown to cream. |
| Odor | Characteristic of the source seed or grain, clean, with no rancid, musty, or solvent notes. |
| Flavor | Mildly nutty across the seed types, with pumpkin seed the most pronounced and brown rice the most neutral but chalkier. |
| Origin | Chia from Paraguay, Bolivia, and Argentina; sacha inchi from Peru; pumpkin seed from China, Austria, and Eastern Europe; poppy seed from Turkey and Central Europe; brown rice from China and Vietnam |
| Packaging | 25 kg multi-wall kraft bag with food-grade polyethylene liner, palletized. 20 kg and 500 kg to 1,000 kg options available on selected types |
| Shelf Life | 18 months from production on the higher-fat seed types, 24 months on brown rice protein, in unopened original packaging |
| Storage | Store below 25 C at under 65 percent relative humidity, away from direct light, moisture, and strong odors. Reseal opened bags promptly. |
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Certifications & Compliance
The certifications and analytical records below are available depending on product type, origin, format, and lot.
- Certified Organic: Available on chia, pumpkin seed, brown rice, and sacha inchi protein under NOP and EU organic programs, with the certificate identifying the eligible type and facility. Poppy seed protein is currently conventional only
- Organic Traceability and Transaction Records: Transaction certificates and lot-level chain-of-custody documentation for certified material.
- Kosher and Halal: Facility and product certificates by production site.
- Non-GMO: Non-GMO Project verification or a non-GMO declaration depending on type and origin.
- Gluten-Free: Statement supported by gluten testing to below 20 ppm, relevant on the brown rice and seed protein lines produced on dedicated equipment.
- Certificate of Analysis: Protein, moisture, ash, fat, fiber, particle size, and microbiological results per lot.
- Product Specification Sheet: Controlling specifications for incoming inspection and supplier approval files.
- Allergen Statement: Declares the absence of the major allergens and identifies any shared-line exposure at the production facility.
- Heavy Metals Report: Lead, cadmium, mercury, and arsenic, with inorganic arsenic speciation on brown rice protein.
- Pesticide Residue Report: Multi-residue screening against destination market MRLs.
- Opium Alkaloid Report: Morphine and codeine quantitation on poppy seed protein lots.
- Amino Acid Profile Report: Full profile supporting protein quality claims and blend design.
- Country of Origin Documentation: Origin declarations supporting customs entry and label statements.
- Safety Data Sheet: Handling, dust, and storage information for receiving and warehouse teams.
Production & Sourcing
Origins are selected on raw material quality and on the existence of an established oilseed pressing industry, because protein powder quality is determined largely by how the press cake was handled before milling. Chia and sacha inchi come from South American growing regions where cold-press oil extraction is already the primary commercial use of the seed, which means consistent cake supply rather than an incidental byproduct. Pumpkin seed and poppy seed draw on Chinese and Central European processing infrastructure with established export documentation. Brown rice protein is produced at dedicated enzymatic separation facilities where the process, not the harvest, controls the specification.
- Sourcing and Intake: Seed and grain lots are contracted against defined moisture, foreign material, and, where applicable, alkaloid or heavy metal criteria. Certified organic material is identified at intake and held separately from conventional stock.
- Cleaning and Preparation: Incoming material is destoned, sieved, and metal-checked. Pumpkin seed is dehulled before pressing, and the unroasted grade skips any thermal treatment to preserve color and protein solubility.
- Oil Extraction or Protein Separation: Chia, poppy seed, pumpkin seed, and sacha inchi are cold pressed mechanically, with the oil sold separately and the defatted cake carried forward. Brown rice follows a different path, where enzymatic treatment separates protein from starch before the protein fraction is recovered and concentrated.
- Drying and Milling: Cake or protein slurry is dried to target moisture, then milled to the specified mesh. Grind is controlled on a closed loop to hold particle size without generating heat that would damage protein solubility.
- Sieving and Standardization: Material is sieved to remove oversize, then blended to the declared protein level so lots meet a single specification rather than tracking natural raw material variation.
- Testing and Release: Each lot is tested for protein, moisture, particle size, and microbiological limits, with heavy metals, pesticides, and alkaloids applied by type. Release is held until results meet the controlling specification.
- Packing and Documentation: Powder is packed into lined bags under food-grade conditions, lot coded, and palletized. Certified lots are packed on cleaned lines with segregation records and transaction certificates issued at shipment.
Supply is year-round on all five types. Seed-derived material follows the pressing schedule at origin rather than the harvest itself, which smooths availability, while brown rice protein is produced continuously and is the least seasonal of the group.
Applications
- Powdered Beverage and Sports Nutrition: Ready-to-mix protein powders, meal replacements, and greens blends where a plant protein base is required.
- Bars and Snack Formats: Protein bars, energy bites, and coated snack pieces built around a dry protein contribution.
- Bakery and Baked Snacks: Protein breads, muffins, cookies, and crackers positioned on a raised protein declaration.
- Meat Alternative and Extruded Products: Plant-based patties, crumbles, and texturized protein systems, usually alongside a primary legume protein.
- Dairy Alternative Beverages and Frozen Desserts: Plant milks, drinkable yogurt analogues, and frozen formats where protein content needs raising without dairy.
- Supplement Capsules, Tablets, and Blends: Encapsulated and tableted formats, and multi-source protein blends sold on ingredient provenance.
- Pet and Companion Animal Nutrition: Premium pet food and treat lines using plant protein for protein content and ingredient positioning.
Physical & Functional Characteristics
A single supplier approval covers the full range, so reformulating from rice to pumpkin seed protein does not restart the vendor qualification process.
Choosing between a 40 percent and an 80 percent grade lets the buyer trade cost against how much fiber and fat the formula can absorb, rather than accepting a fixed protein level.
None of the five carries a major allergen declaration, which removes the segregation and labeling burden that soy and dairy proteins impose downstream.
Cold-pressed protein cake is priced as a co-product of oil extraction, which puts the seed proteins below comparable standalone isolates on cost per unit protein.
Inorganic arsenic speciation and a tightened cadmium limit give a defensible incoming acceptance criterion on the one type in this group where the risk is well established.
Morphine and codeine quantitation against destination limits makes poppy seed protein qualifiable for regulated markets rather than a commercial unknown.
Production follows pressing and processing schedules rather than a single harvest window, which shortens the inventory position a buyer has to carry.
Segregated intake, cleaned lines, and transaction records let certified lots carry through to a certified finished product.
The range from pale brown rice to dark green pumpkin seed lets a buyer select for a target finished appearance instead of correcting color later with pigments or masking.
Bag and bulk options let receiving match a single-charge addition rather than repackaging bulk powder at the plant.
Single-ingredient material with no carriers suits clean label programs and keeps the declaration to one line.
Funcionality
- Protein Contribution: Raises total protein in a formula on a straightforward substitution basis, with the choice between a 40 percent and an 80 percent grade set by how much room the formula has for fiber and fat.
- Amino Acid Complementation: Pairing lysine-limiting brown rice protein with a legume protein closes the profile gap and supports a complete protein claim that neither delivers alone.
- Water Binding and Viscosity Development: Chia protein hydrates into a viscous phase because of residual seed mucilage, which builds body in beverages and holds moisture in baked systems. The other four bind water without a comparable viscosity jump.
- Cold Dispersibility: All five disperse in cold water with agitation and stay suspended long enough for shaker and inline mixing, though none form a clear solution and all will settle on standing.
- Dry-Blend Compatibility: Consistent particle size and moderate bulk density keep the powders from segregating in dry blends, which holds dose accuracy across a filled run.
- Structure and Bind in Bars and Extrusion: Protein contributes matrix strength and cohesion in bars and extruded pieces, reducing crumble without the hardening over shelf life that some isolates cause.
- Emulsion Support: Residual oil and surface-active protein give the seed-derived types moderate emulsion stabilizing behavior, useful in spreads and plant beverages though not a substitute for a dedicated emulsifier.
- Fiber Contribution: Chia and poppy seed protein carry meaningful crude fiber alongside the protein, so a single addition serves two label lines and reduces the need for a separate fiber ingredient.
- Thermal Stability: Protein holds through baking and extrusion temperatures without loss of the declared value, though solubility drops after high-heat processing.
Benefits for Commercial Manufacturing
- Five Protein Sources Under One Qualification: A single supplier approval covers the full range, so reformulating from rice to pumpkin seed protein does not restart the vendor qualification process.
- Protein Level Matched to Formula Space: Choosing between a 40 percent and an 80 percent grade lets the buyer trade cost against how much fiber and fat the formula can absorb, rather than accepting a fixed protein level.
- Allergen-Free Positioning Without Reformulation Risk: None of the five carries a major allergen declaration, which removes the segregation and labeling burden that soy and dairy proteins impose downstream.
- Byproduct Economics on Seed Types: Cold-pressed protein cake is priced as a co-product of oil extraction, which puts the seed proteins below comparable standalone isolates on cost per unit protein.
- Documented Heavy Metal Control on Rice: Inorganic arsenic speciation and a tightened cadmium limit give a defensible incoming acceptance criterion on the one type in this group where the risk is well established.
- Alkaloid Testing on Poppy Seed: Morphine and codeine quantitation against destination limits makes poppy seed protein qualifiable for regulated markets rather than a commercial unknown.
- Year-Round Supply Independent of Harvest: Production follows pressing and processing schedules rather than a single harvest window, which shortens the inventory position a buyer has to carry.
- Organic Chain of Custody: Segregated intake, cleaned lines, and transaction records let certified lots carry through to a certified finished product.
- Color as a Formulation Lever: The range from pale brown rice to dark green pumpkin seed lets a buyer select for a target finished appearance instead of correcting color later with pigments or masking.
- Packaging Sized for Line Handling: Bag and bulk options let receiving match a single-charge addition rather than repackaging bulk powder at the plant.
- Short Ingredient Statement: Single-ingredient material with no carriers suits clean label programs and keeps the declaration to one line.
