Micellar Casein
Micellar Casein is a food-grade dairy protein ingredient used for protein enrichment, slow-release nutrition positioning, texture design, water binding, gelation, viscosity development, emulsification and clean-label dairy protein formulation. It is valued in industrial food manufacturing because it provides casein protein in a micellar form that can support body, opacity, creamy mouthfeel and sustained protein nutrition in powders, beverages, dairy systems and specialty nutrition products.
Micellar Casein should not be treated as a generic protein powder. Commercial performance depends on protein content, casein purity, mineral profile, lactose level, heat history, solubility, dispersibility, instantization, particle size, microbiological quality, flavor profile, hydration behavior and processing conditions. Industrial buyers should define the target application and functional need before comparing supplier quotations.
Product identity
| Product | Micellar Casein |
|---|---|
| Also known as | Native micellar casein, casein micelle protein, milk casein protein, slow-digesting dairy protein |
| Category | Proteins, Texturizers & Functional Ingredients |
| Primary function | Dairy protein ingredient for protein enrichment, texture building, water binding, gelation, viscosity, emulsification and nutrition formulation |
| E / INS number | Normally handled as a dairy protein ingredient rather than a universal E-number additive; confirm by destination market and supplier documentation |
| CAS / identity | Dairy protein / casein micelle ingredient |
| Typical protein system | Casein-rich milk protein with micellar casein structure retained to the extent defined by the supplier process |
| Typical form | Spray-dried powder, agglomerated instant powder or customized dry blend |
| Key purchasing basis | Protein on dry basis, casein purity, lactose, fat, ash, calcium, moisture, solubility, flavor, microbiology, origin, allergen status and documentation |
Application fit
Potential use areas may include:
- Sports nutrition powders, night-time protein blends and sustained-release protein formulas
- Meal replacements, medical nutrition, elderly nutrition and satiety-positioned products
- High-protein beverages, dairy-based shakes and protein-fortified drink powders
- Yogurt, dairy desserts, puddings, mousses, cream systems and fermented dairy
- Protein bars, bakery, confectionery fillings and high-protein snacks
- Cheese systems, processed cheese, recombined dairy and dairy solids standardization
- Meat systems, hybrid foods and protein-enriched savory formulations where milk allergen labeling is acceptable
Technical profile for manufacturers
Micellar Casein is designed to deliver casein protein in a form closer to the natural casein micelles found in milk. Casein micelles are colloidal protein-mineral structures that contribute to the unique functional behavior of milk, including opacity, calcium association, heat behavior, acid gelation and texture formation. In commercial ingredients, micellar integrity and functional performance depend on the separation, concentration, heat treatment, drying and agglomeration process used by the supplier.
The main industrial value of Micellar Casein is the combination of high protein density, clean dairy taste, slow-digesting nutrition positioning, creamy texture contribution and casein-driven structure. It can help build body in high-protein systems, contribute opacity and mouthfeel in beverages, support protein claims in powders and bars, and provide dairy protein functionality in desserts, cheese systems and specialty nutrition formulas.
| Technical factor | Industrial relevance |
|---|---|
| Protein content | Defines grade, nutrition contribution, dosage and cost-in-use. Buyers should compare protein on a dry basis and confirm the analytical method. |
| Casein purity | Important when the buyer needs a casein-rich dairy protein rather than a broader milk protein concentrate or whey-containing system. |
| Micellar integrity | Influences hydration, mineral association, heat behavior, viscosity, gelation and texture. Supplier processing history can affect performance. |
| Lactose content | Relevant for carbohydrate labeling, low-lactose positioning, Maillard browning, sweetness, caking and product stability. |
| Mineral and calcium profile | Affects buffering capacity, heat stability, pH behavior, casein interactions, mouthfeel and nutrition declarations. |
| Solubility and dispersibility | Critical for powders, beverages and RTD systems. Poor dispersion can create sediment, lumps, sandy texture or slow hydration. |
| Hydration behavior | Casein-rich powders can hydrate slowly. Hydration time, shear, temperature and order of addition should be validated. |
| Heat stability | Important for high-protein beverages, pasteurized systems, UHT products, retort nutrition and processed dairy foods. |
| Flavor profile | Premium nutrition and dairy applications require clean dairy flavor with low cooked, oxidized, animal, bitter or stale notes. |
| Microbiological quality | Critical for dairy, nutrition, medical nutrition and ready-to-drink applications. Spore and thermophile control may be important for heat-treated systems. |
| Allergen status | Milk protein is a regulated allergen in many markets and must be controlled through labeling, segregation and documentation. |
Micellar Casein, caseinate and milk protein concentrate
Micellar Casein, caseinates and milk protein concentrates are related dairy protein ingredients, but they are not interchangeable. The differences matter for label declaration, hydration, flavor, mineral content, heat stability, texture and nutrition positioning.
| Ingredient family | Typical technical distinction | Common purchasing logic |
|---|---|---|
| Micellar Casein | Casein-rich dairy protein with casein retained closer to native micellar form, depending on supplier process. | Selected for slow-digesting protein positioning, dairy texture, casein functionality and premium sports nutrition use. |
| Milk Protein Concentrate | Contains casein and whey proteins in a milk-derived ratio, with composition varying by protein grade. | Selected for broad dairy protein enrichment, beverage, yogurt, cheese and nutrition applications. |
| Calcium Caseinate | Casein salt with calcium; often selected for emulsification, binding, viscosity and nutrition systems. | Useful in coffee creamers, sauces, processed meats, powders and high-protein foods where caseinate functionality is desired. |
| Sodium Caseinate | Casein salt with sodium; often more dispersible than some casein-rich ingredients and widely used for emulsification. | Useful in emulsions, coffee whiteners, soups, sauces, meat systems and instant powders where sodium declaration is acceptable. |
| Acid Casein | Casein precipitated by acid; often less soluble without neutralization. | Used where downstream conversion, caseinate production or specialized industrial functionality is required. |
| Rennet Casein | Casein obtained through enzymatic coagulation; valued in cheese-type systems. | Commonly considered for processed cheese and cheese analog applications where melt and structure are important. |
Functional roles in food systems
Micellar Casein can deliver both nutritional and functional value. It contributes protein density while supporting body, opacity, water binding, gelation, emulsification and creamy texture. However, its performance is strongly affected by pH, calcium, heat, salts, sugar level, stabilizers, shear, hydration time and storage temperature.
| Functional role | What Micellar Casein can support | Typical evaluation method |
|---|---|---|
| Protein enrichment | Raises protein content in powders, beverages, bars, dairy products, desserts and nutrition systems. | Protein assay, nutrition calculation, serving claim review and sensory evaluation. |
| Slow-release protein positioning | Supports casein-based nutrition concepts often used in night-time, satiety or sustained-release protein formulas. | Regulatory claim review, formulation positioning, nutrition panel review and finished-product sensory testing. |
| Water binding | Improves moisture retention, reduced syneresis, body and texture stability in dairy and dessert systems. | Centrifuge test, syneresis measurement, water activity, texture analysis and storage trial. |
| Gelation | Can support acid-induced, enzyme-induced or mineral-influenced protein networks in selected systems. | Gel strength, pH curve, rheology, heat process trial and sensory texture. |
| Viscosity and body | Builds creamy mouthfeel, opacity and fullness in high-protein systems and reduced-fat dairy formulas. | Viscosity curve, rheology, sensory mouthfeel and storage viscosity monitoring. |
| Emulsification | Helps stabilize fat-containing dairy, beverage, sauce and hybrid systems when properly hydrated and processed. | Droplet size, creaming, oil separation, viscosity, heat stability and shelf-life testing. |
| Foaming and aeration | Can contribute to air incorporation and foam stability in mousses, whipped desserts and aerated dairy products. | Overrun, foam drainage, density, bubble size and storage stability. |
| Bar and snack structure | Contributes protein density, chew, firmness and dairy protein positioning in bars and high-protein snacks. | Texture analyzer firmness, water activity, hardening over time, sensory chew and shelf-life trial. |
Application guidance by industry
Sports nutrition and protein powders
Micellar Casein is widely evaluated in sports nutrition powders where sustained protein release positioning, creamy texture and high protein density are important. Instantized or agglomerated grades may be preferred for shaker-cup performance and faster wetting.
- Key requirements: protein density, clean dairy flavor, instant dispersibility, low grittiness and stable powder flow.
- Common partners: whey protein, milk protein concentrate, cocoa, flavors, sweeteners, lecithin, vitamins, minerals and anti-caking systems.
- Critical tests: wettability, dispersibility, shaker-cup sediment, flavor, foam, powder flow, bulk density and caking.
High-protein beverages and RTD shakes
In beverages, Micellar Casein can contribute protein, opacity and creamy body, but high-protein liquid systems require careful stabilization. Heat treatment, calcium balance, pH, homogenization and stabilizer selection strongly affect sediment, age thickening and protein stability.
- Key requirements: full hydration, heat stability, low sediment, controlled viscosity, clean flavor and low age thickening.
- Common partners: stabilizing salts, carrageenan, cellulose gum, pectin, phosphates, citrates, flavors and sweeteners.
- Critical tests: pasteurization / UHT / retort trial, sediment, gelation, pH stability, viscosity drift, sensory quality and shelf-life monitoring.
Meal replacement and medical nutrition
In meal replacements and specialty nutrition, Micellar Casein can support protein fortification, satiety positioning and creamy mouthfeel. These applications often require tighter microbiological, contaminant, nutritional and regulatory documentation than standard food applications.
- Key requirements: consistent nutrition data, clean flavor, low microbial risk, low contaminants and reliable solubility.
- Common partners: carbohydrates, fats, vitamins, minerals, fibers, emulsifiers, flavors and stabilizer systems.
- Critical tests: nutrition compliance, osmolality where relevant, heat stability, viscosity, sensory profile and accelerated shelf life.
Dairy desserts, yogurts and fermented products
In yogurts, puddings, dairy desserts and fermented systems, Micellar Casein can increase protein, improve body, reduce whey separation and support a dense dairy texture. Fermentation behavior should be validated because protein concentration and mineral balance can affect pH development and final gel structure.
- Key requirements: smooth hydration, low graininess, fermentation compatibility, body, syneresis control and clean dairy flavor.
- Common partners: skim milk powder, milk protein concentrate, whey protein, starch, pectin, gelatin, cultures and stabilizers.
- Critical tests: fermentation curve, pH endpoint, viscosity, whey-off, spoonability, graininess and refrigerated shelf-life texture.
Protein bars, bakery and confectionery
In bars and bakery systems, Micellar Casein can support protein claims, chew, dairy flavor and structure. High-protein bars require careful water activity, humectant and fat-phase design to prevent hardening and dryness during shelf life.
- Key requirements: protein density, controlled chew, low chalkiness, flavor compatibility and stable softness.
- Common partners: whey proteins, collagen, fibers, polyols, syrups, fats, cocoa, flavors, humectants and emulsifiers.
- Critical tests: bar hardening, water activity, texture analyzer firmness, sensory chew, Maillard browning and shelf-life stability.
Cheese systems and dairy standardization
Micellar Casein can be evaluated in cheese-type systems, recombined dairy, processed cheese and dairy standardization when casein structure and milk protein functionality are desired. Compatibility with calcium, phosphates, emulsifying salts and heat treatment should be tested.
- Key requirements: casein functionality, water binding, melt behavior, structure, sliceability and clean dairy flavor.
- Common partners: emulsifying salts, milk fat, butter, rennet casein, milk protein concentrate, cultures, enzymes and stabilizers.
- Critical tests: melt, firmness, stretch, oiling-off, pH, moisture, yield, sliceability and storage texture.
Specification checklist for purchasing
For industrial sourcing, Micellar Casein quotations should be compared by composition, functionality and documentation. A cheaper grade may not be economical if it hydrates slowly, creates sediment, has poor flavor, lacks instant performance, fails heat stability, causes bar hardening or lacks dairy import documents.
| Specification area | Recommended buyer requirement |
|---|---|
| Protein content | Request protein percentage, dry-basis calculation, analytical method and tolerance. |
| Casein content / purity | Confirm casein-rich identity and whether whey protein or other milk solids are present at meaningful levels. |
| Moisture | Important for shelf life, powder flow, caking, microbial stability and commercial comparison. |
| Lactose | Relevant for low-lactose positioning, carbohydrate labeling, Maillard browning, sweetness and caking behavior. |
| Fat | Affects nutrition, oxidation risk, flavor, powder stability and formulation calculations. |
| Ash / minerals / calcium | Important for heat stability, pH behavior, buffering, mouthfeel, mineral labeling and casein micelle behavior. |
| pH and titratable acidity | Useful for beverages, fermented products, dairy desserts and protein stability review. |
| Solubility / dispersibility | Request solubility index, dispersibility method, wettability and recommended hydration conditions, especially for powders and beverages. |
| Particle size and instantization | Important for shaker-cup performance, sediment, mouthfeel, powder flow and automated dosing. |
| Heat stability | Define required performance under pasteurization, UHT, retort, hot fill, baking or cooking conditions. |
| Microbiology | Total plate count, coliforms, yeast and mold, E. coli, Salmonella, Staphylococcus aureus, Bacillus spores and thermophilic spores where relevant. |
| Contaminants | Heavy metals, antibiotic residues, melamine statement, dioxin / PCB statement, pesticide residues where required and other market-specific declarations. |
| Allergen status | Milk allergen declaration is mandatory in many markets. Confirm cross-contact with soy, gluten, egg, nuts or other allergens when required. |
| Origin and dairy status | Request country of origin, manufacturing site, species source, veterinary health documents and dairy export eligibility for the destination market. |
| Certifications | Halal, kosher, ISO, FSSC 22000, BRCGS, non-GMO, organic suitability or other certificates depending on buyer and market. |
| Packaging and shelf life | Bag type, liner, net weight, pallet configuration, shelf life, storage conditions and moisture protection. |
Hydration and processing guidance
Micellar Casein can hydrate more slowly than some more soluble dairy proteins. Proper dispersion is critical for powders, RTD beverages, high-protein desserts and bars. Hydration behavior depends on particle size, instantization, heat history, mineral balance, protein concentration, storage age and mixing conditions.
Recommended hydration protocol
- Use the supplier's recommended water temperature, mixing speed and hydration time as the starting point.
- Add powder gradually into a strong vortex to reduce lump formation and surface wetting problems.
- Allow sufficient hydration time before heat treatment, homogenization, fermentation or bar mixing.
- Control pH, calcium, phosphates, citrates, stabilizers and sweeteners before final processing.
- Measure viscosity after hydration, after heat treatment and after storage.
- For RTD beverages, confirm stability through pilot-scale processing before commercial approval.
Common processing issues
- Lumping or floating powder during hydration
- Slow wetting in non-instantized grades
- Gritty or sandy texture from incomplete hydration
- Sediment in high-protein beverages
- Age thickening or gelation during storage
- Heat-induced instability during UHT or retort processing
- Excessive viscosity at high protein concentration
- Protein bar hardening during shelf life
- Flavor instability caused by oxidation or poor storage conditions
Heat stability, pH and mineral balance
Micellar Casein functionality is strongly influenced by pH, calcium activity, phosphate balance, ionic strength, stabilizing salts, heat treatment and total solids. A grade that works well in a dry powder may not automatically work in a UHT beverage or retorted nutrition product. Formulators should test the exact supplier grade in the final product matrix and process.
| Process factor | Why it matters |
|---|---|
| pH | Protein charge and micelle stability change with pH. Acidified systems may require different stabilizers or protein strategies than neutral products. |
| Calcium and minerals | Mineral balance affects casein interactions, heat stability, viscosity, sediment and gelation behavior. |
| Heat treatment | Pasteurization, UHT, retort and hot-fill conditions can affect protein aggregation, cooked flavor and viscosity. |
| Homogenization | Can improve fat dispersion and mouthfeel but may change protein interactions and viscosity. |
| Total solids | High solids increase viscosity and can intensify hydration, heat stability and processing challenges. |
| Stabilizer system | Carrageenan, pectin, cellulose gum, phosphates, citrates and emulsifiers should be selected based on protein level, pH and heat process. |
| Storage temperature | Can influence viscosity drift, sediment, flavor stability, microbial control and shelf-life performance. |
Regulatory, allergen and labeling considerations
Micellar Casein is a milk-derived protein ingredient. It should be handled as a milk allergen wherever applicable. It is not suitable for vegan, dairy-free or milk-allergen-free formulations. If the ingredient is used in sports nutrition, medical nutrition, meal replacements, hybrid foods or protein-fortified products, the label declaration, allergen statement, protein claim, lactose claim and origin claim should be reviewed according to destination-market rules.
| Regulatory question | Buyer action |
|---|---|
| How should the ingredient be declared? | Request supplier label recommendation and verify whether the local declaration is “micellar casein,” “milk protein,” “casein,” “dairy protein” or another permitted term. |
| Does it trigger allergen labeling? | Yes, in many markets milk is a regulated allergen. Confirm local allergen wording, formatting and cross-contact requirements. |
| Can protein claims be made? | Protein claims depend on finished-product protein content, serving size, protein quality method and local nutrition labeling rules. |
| Can slow-release protein claims be made? | Do not assume claim permission. Claims related to digestion, satiety or sustained release require regulatory and substantiation review. |
| Can lactose claims be made? | Do not assume lactose-free or low-lactose status. Request lactose specification and verify destination-market claim thresholds. |
| Are dairy import documents needed? | Many countries require health certificates, veterinary documents, origin documents or establishment approval for dairy ingredients. |
| Is halal or kosher required? | Certification must match the exact grade, manufacturing site and supply chain. |
Quality, safety and compliance documents to request
- Product specification or technical data sheet with protein content and casein identity
- Certificate of analysis for available batch or representative lot
- Food-grade declaration and destination-market compliance statement
- Safety data sheet where applicable for handling, storage and transport review
- Nutrition data including protein, lactose, fat, ash, moisture, calcium and energy values
- Milk allergen declaration and cross-contact statement
- Country of origin, manufacturing site information and traceability documentation
- Veterinary health certificate, dairy export certificate or sanitary certificate where required
- Microbiological specification and lot-specific microbiological results
- Antibiotic residue statement, melamine statement and contaminant declarations where required
- Halal, kosher, non-GMO, organic suitability or other certificates when required
- Solubility, dispersibility, instantization and particle size data where relevant
- Shelf-life statement, storage conditions and retest policy
- Packaging details, net weight, gross weight, pallet configuration and container loading information
- Recommended label declaration and application-specific processing guidance
Packaging, storage and handling
Micellar Casein is normally supplied as a dry powder in food-grade multiwall bags with inner liners, cartons, drums or big bags depending on supplier and volume. It should be protected from moisture, oxygen exposure, heat, direct sunlight, strong odors and pest contamination. Dairy powders can absorb moisture and odors, so warehouse conditions directly affect flavor, flowability, dispersibility and shelf life.
| Common packaging | Typically 20 kg or 25 kg bags; smaller packs, cartons, drums or big bags may be available depending on grade and supplier. |
|---|---|
| Storage conditions | Store sealed in a cool, dry, clean and odor-free warehouse. Follow supplier recommendations for temperature and relative humidity. |
| Moisture control | Protect from humidity to reduce caking, lumping, poor flow and reduced dispersibility. |
| Odor control | Dairy powders can absorb odors; keep away from spices, chemicals, solvents and strongly aromatic materials. |
| Shelf life | Supplier-specific. Request shelf-life statement, retest policy and storage condition limits before order confirmation. |
| Handling | Use hygienic powder handling, dust control and allergen segregation for milk-containing ingredients. |
| Logistics | Confirm HS code, origin, dairy certificate needs, pallet configuration, container loading and destination import requirements. |
Technical purchasing notes
When reviewing Micellar Casein, compare the supplier specification against the intended food application, process conditions, target protein level, label expectations and local rules. For industrial purchasing, the most useful inquiry normally includes target protein content, casein purity, application, heat process, solubility requirement, packaging size, quantity, destination and document requirements.
Cost comparison should be based on cost-in-use and finished-product performance rather than price per kilogram alone. A higher-priced grade may be more economical if it hydrates faster, improves shaker performance, reduces sediment, provides cleaner flavor, supports higher protein claims or prevents production losses during scale-up.
How to request this product
Send the product name, target protein percentage, application, target function, quantity, destination country, packaging preference, expected shipment date and required documents. If you already purchase Micellar Casein, attach or describe your existing specification, certificate of analysis, nutrition target, label declaration, hydration method, processing conditions or trial result so supplier options can be compared more accurately.
Recommended RFQ information
- Product name: Micellar Casein / Native Micellar Casein / Casein Micelle Protein
- Required function: protein enrichment, slow-release protein positioning, texture building, water binding, viscosity, gelation, emulsification or powder dispersibility
- Application: sports nutrition powder, RTD shake, meal replacement, medical nutrition, dairy dessert, yogurt, bar, bakery, cheese system or other use
- Composition requirements: protein, casein purity, lactose, fat, ash, calcium, moisture, pH and microbiological limits
- Physical requirements: particle size, instantization, bulk density, dispersibility, wettability and solubility behavior
- Processing conditions: hydration temperature, mixing method, pasteurization, UHT, retort, fermentation, homogenization, baking, pH range or storage temperature
- Label requirements: milk allergen wording, protein claim, lactose claim, halal, kosher, non-GMO or origin claim
- Quantity: sample quantity, first commercial order and annual forecast
- Destination: country, port, incoterm and dairy import documents required
- Packaging: bag size, big bag requirement, pallet format or warehouse handling preference
- Documentation: TDS, COA, food-grade declaration, allergen, origin, health certificate, microbiology, contaminant statements, halal, kosher, shelf life and packaging details
- Commercial requirement: target price basis, shipment date, payment term and preferred delivery schedule
Useful answers
What is Micellar Casein used for in food manufacturing?
Micellar Casein is used for protein enrichment, texture design, water binding, gelation, emulsification, viscosity, slow-release protein positioning and clean-label dairy protein formulation. Exact suitability depends on grade, application, process, regulations and supplier documents.
Is Micellar Casein plant-based or dairy-free?
No. Micellar Casein is derived from milk and contains milk protein. It is not vegan, plant-based or dairy-free. If used in hybrid foods, milk allergen labeling and dairy claim rules must be checked before commercial launch.
How is Micellar Casein different from caseinate?
Micellar Casein is selected when the buyer wants casein closer to its native micellar form. Caseinates are casein salts produced through different processing and neutralization steps. They can differ in solubility, viscosity, mineral profile, label declaration, flavor and application performance.
Which grade should I request?
The correct grade depends on the product and process. Powders may require instant dispersibility and clean flavor. RTD beverages may require heat stability and low sediment. Bars may require controlled hardening and water activity. Dairy desserts may require smooth hydration, body and syneresis control. Request protein, lactose, fat, ash, calcium, solubility, particle size, microbiology and processing guidance.
Can Global Food Additives source Micellar Casein?
Global Food Additives can review sourcing options for Micellar Casein according to target protein specification, application, origin, quantity, destination, packaging and required documentation.
Which documents should be requested?
Buyers commonly request a technical data sheet, product specification, certificate of analysis, food-grade declaration, allergen statement, origin statement, dairy health certificate where required, microbiological results, nutritional information, shelf-life information, label recommendation and packaging details.
Is this product permitted in every country?
No. Dairy ingredient use depends on destination-market rules, food category, milk allergen labeling, protein claims, import documentation and buyer responsibility. Buyers should verify regulatory status and final suitability before commercial use.
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