Iota Carrageenan E407
Iota Carrageenan is a food-grade sulfated polysaccharide hydrocolloid used for soft elastic gel formation, viscosity development, water binding, suspension, mouthfeel improvement and freeze-thaw stability. It is valued in industrial food systems where formulators need a flexible, resilient texture rather than a brittle gel.
In practical manufacturing, iota carrageenan performance is strongly influenced by calcium availability, hydration temperature, shear, solids content, pH, ionic strength, protein interaction, sugar level and the presence of complementary hydrocolloids such as locust bean gum, konjac gum, xanthan gum, guar gum, starch, pectin or cellulose derivatives.
Product identity
| Product | Iota Carrageenan |
|---|---|
| Category | Hydrocolloids, Gums & Gelling Agents |
| Function | Thickener / stabilizer / soft elastic gelling ingredient / water-binding hydrocolloid |
| E / INS number | E407 / INS 407 |
| CAS / identity | 9000-07-1 |
| Hydrocolloid type | Anionic sulfated galactan extracted from red seaweed |
| Typical source association | Iota-rich grades are commonly associated with Eucheuma spinosum / Eucheuma denticulatum seaweed sources |
| Typical form | Fine powder, granule, instantized powder, standardized blend or application-specific stabilizer system |
| Main gel trigger | Calcium ions support soft, elastic and thixotropic gel networks |
| Key purchasing controls | Viscosity, gel strength, particle size, moisture, ash, sulfate level, microbiology, heavy metals, pH, solubility and documentation |
Application fit
Iota Carrageenan is usually selected where formulators need elastic gel texture, water retention and stable viscosity under industrial processing conditions.
- Dairy desserts, puddings, custards, flans and spoonable gels
- Chocolate milk, cocoa drinks, milk-based beverages and suspension systems
- Ice cream, frozen desserts and freeze-thaw-stable dairy systems
- Processed cheese, cream cheese and spreadable dairy preparations
- Cooked meat, poultry, injected brine systems and water-binding applications
- Seafood analogues, surimi-style products and restructured protein systems
- Plant-based dairy alternatives, vegan desserts and meat-alternative textures
- Sauces, dressings, fillings, toppings and controlled-viscosity systems
Technical overview for industrial buyers
Iota Carrageenan belongs to the carrageenan family of seaweed-derived hydrocolloids. Its industrial value comes from the ability to form soft, elastic and reversible gel structures, especially in the presence of calcium. Unlike rigid gel systems that fracture sharply, iota carrageenan can provide a more flexible, resilient and creamy texture profile. This makes it useful in dairy desserts, low-fat systems, protein-containing products, spoonable gels, brine-injected meat systems and plant-based products where the manufacturer wants water retention, reduced syneresis and improved mouthfeel.
Product performance is not determined by the name alone. Different suppliers may standardize iota carrageenan with sugars, salts, buffering agents or other hydrocolloids to control hydration speed, gel strength, viscosity, particle size, dispersibility and batch-to-batch consistency. For this reason, industrial buyers should compare the complete specification, not only the E number or CAS number.
Functional performance
- Forms soft, elastic gels in calcium-containing systems
- Supports water binding and syneresis control in gels, meats and desserts
- Improves suspension of cocoa, minerals, spices, proteins or insoluble particles
- Contributes to creamy mouthfeel and body in reduced-fat formulations
- Provides reversible gel behavior depending on heating and cooling conditions
- Supports freeze-thaw stability in selected frozen and chilled applications
- Can work with proteins and other hydrocolloids to build customized texture systems
Key formulation variables
| Calcium level | Calcium promotes iota gel network formation; excess calcium can cause premature gelation or processing difficulty. |
|---|---|
| Hydration | Complete hydration normally requires proper dispersion, controlled heating, sufficient water phase and adequate mixing time. |
| pH | Acid systems require careful validation because low pH and heat exposure can reduce hydrocolloid performance. |
| Shear | High shear can improve dispersion before gelation, but shear during gel setting can change final texture and viscosity. |
| Solids and sugars | Sugar, salts, proteins and total solids influence hydration, water availability and perceived gel firmness. |
| Other gums | Blends with locust bean gum, konjac, guar, xanthan, starch or cellulose derivatives can tune viscosity, elasticity and water control. |
Application-specific guidance
In dairy systems, iota carrageenan can help stabilize cocoa particles, reduce whey separation, improve body and create smooth spoonable textures. In frozen desserts, it can support water management and texture stability during temperature cycling. In processed meat and poultry systems, it may be used to improve brine retention, slicing quality and cooking yield where local regulations allow carrageenan use. In plant-based products, it can help compensate for the absence of dairy protein gelation and build a more elastic, cohesive structure.
Dairy and dessert systems
- Chocolate milk and cocoa drinks: helps suspend cocoa and reduce sedimentation when properly hydrated and balanced.
- Puddings and custards: supports soft gel structure, spoonability and reduced whey-off.
- Ice cream and frozen desserts: contributes to water control, body and freeze-thaw stability in stabilizer blends.
- Processed cheese and spreads: can support moisture control, spreadability and texture standardization.
Protein, meat and plant-based systems
- Injected meat and poultry: can improve water retention, slice integrity and yield when permitted and validated.
- Seafood analogues: supports elastic gel texture in surimi-style and restructured protein matrices.
- Plant-based dairy alternatives: helps build body, suspension and creamy mouthfeel in oat, soy, almond or mixed-base systems.
- Meat alternatives: can support binding, juiciness and thermal stability in hybrid hydrocolloid systems.
Processing and hydration recommendations
Carrageenan powders should be dispersed carefully to avoid lumping. In many industrial processes, the powder is pre-blended with sugar, salt, starch or another dry carrier before addition to the liquid phase. Adequate agitation, controlled heating and sufficient hydration time are usually required to achieve full functionality. Premature contact with concentrated calcium salts, acid or high-solids phases can reduce hydration efficiency or create localized gel particles.
When developing a new product, manufacturers should run pilot trials across the expected process window: minimum and maximum heat treatment, filling temperature, cooling rate, shear level, storage temperature, shelf-life period and transportation conditions. Texture should be checked at production release and after storage because hydrocolloid networks can continue to equilibrate after processing.
Typical quality parameters
- Appearance, colour and odour
- Viscosity under defined concentration, temperature and spindle/method
- Gel strength or texture profile in a defined test system
- Moisture or loss on drying
- Total ash and acid-insoluble ash
- Sulfate content according to applicable specification
- pH of solution or dispersion
- Particle size and mesh profile
- Solubility or hydration behavior
- Heavy metals and elemental impurities
- Total plate count, yeast, mold, coliforms, E. coli, Salmonella and other microbiological criteria where applicable
Common purchasing risks
- Replacing one supplier grade with another without matching gel strength and viscosity
- Using a refined carrageenan specification where the customer actually needs a blended stabilizer system
- Ignoring calcium, potassium, sodium or protein balance in the final formulation
- Evaluating texture immediately after production but not after chilled or frozen storage
- Not checking whether the destination market permits carrageenan in the intended food category
- Failing to request allergen, GMO, halal, kosher, origin or heavy-metal declarations before shipment
Regulatory and compliance notes
Iota Carrageenan is supplied under the broader carrageenan identity commonly associated with E407 / INS 407. Regulatory acceptance depends on the destination country, the finished food category, the maximum permitted level, purity criteria, labeling language and the exact composition of any standardized blend. Some markets also distinguish refined carrageenan from processed eucheuma seaweed, known in many regulatory systems as E407a.
For U.S. applications, carrageenan is regulated under 21 CFR 172.620 as a food additive permitted for direct addition to food when used according to the prescribed conditions. The regulation identifies carrageenan as a refined hydrocolloid prepared by aqueous extraction from specified red seaweed species, describes it as a sulfated polysaccharide with galactose and anhydrogalactose units, gives a sulfate range of 20% to 40% on a dry-weight basis, and lists its use as an emulsifier, stabilizer or thickener in foods except standardized foods that do not provide for such use.
Documents to request
- Product specification or technical data sheet with viscosity and gel test method
- Certificate of analysis for the available batch or lot
- Safety data sheet where applicable for industrial handling
- Food-grade statement and E407 / INS 407 declaration
- Origin, manufacturer, production site and traceability statement
- Raw material source declaration and refined / semi-refined status where relevant
- Allergen, GMO, vegan, halal and kosher statements when required
- Heavy-metal and elemental impurity declaration
- Microbiological specification and recent test results
- Shelf-life, storage conditions and retest policy
- Packaging details, net weight, pallet configuration and container loading information
- Change-control, non-irradiation, BSE/TSE, residual solvent and contaminant statements when required by the customer or market
Packaging, storage and logistics
Iota Carrageenan is commonly supplied in multiwall paper bags with food-grade inner liners, cartons, drums or other sealed industrial packaging depending on supplier and grade. Packaging should protect the product from moisture, odour pickup, foreign material and warehouse contamination. For export orders, buyers should confirm net weight, gross weight, pallet dimensions, batch coding, label language, country-of-origin marking and whether heat-treated pallets or fumigation documentation are required.
Store in a cool, dry, clean and well-ventilated warehouse away from direct moisture, strong odours and incompatible materials. Opened bags should be resealed immediately. Because hydrocolloid powders can absorb moisture and form lumps, warehouse humidity control and first-expiry-first-out stock rotation are important for consistent plant performance.
Who usually buys Iota Carrageenan?
- Dairy dessert, pudding and custard manufacturers
- Chocolate milk, cocoa beverage and drinkable dessert producers
- Ice cream and frozen dessert manufacturers
- Processed meat, poultry and seafood processors
- Plant-based dairy and meat alternative manufacturers
- Hydrocolloid blend producers and stabilizer-system formulators
- Importers, distributors and private-label food ingredient suppliers
Information needed for quotation
- Target application and finished product type
- Required function: gel, viscosity, suspension, water binding or freeze-thaw stability
- Target viscosity, gel strength or reference supplier specification
- Required form: powder, granule, instantized grade or custom blend
- Destination country and regulatory documentation needs
- Trial quantity, annual quantity and order frequency
- Preferred packaging size and pallet requirement
- Required certificates: halal, kosher, vegan, allergen, GMO, origin or other declarations
- Delivery term, destination port or warehouse address
- Expected shipment date and sample approval timeline
How Global Food Additives supports sourcing
Global Food Additives can help compare Iota Carrageenan grades by viscosity, gel response, hydration behavior, particle size, origin, certification package, packaging format and commercial availability. For industrial customers, the fastest sourcing route is to provide an existing specification, certificate of analysis, approved supplier reference or finished-product application details. This allows supplier options to be compared on real technical requirements instead of product name alone.
For product development projects, our team can coordinate questions around grade selection, trial quantity, document readiness, export packaging, delivery terms and compatibility with the buyer's target application. The final formulation, regulatory use level and finished-product label remain the responsibility of the manufacturer.
How to request this product
Send the product name, target grade or reference specification, application, required function, quantity, destination country, packaging preference, expected shipment date and required documents. If you already purchase Iota Carrageenan, attach or describe your current specification, viscosity target, gel strength method, label or certificate of analysis so supplier options can be compared more accurately.
Useful answers
What is Iota Carrageenan used for in food manufacturing?
Iota Carrageenan is used for soft elastic gel formation, viscosity, suspension, water binding, freeze-thaw stability and mouthfeel. It is commonly evaluated in dairy desserts, cocoa beverages, frozen desserts, sauces, meat systems, seafood analogues and plant-based products.
How is Iota Carrageenan different from Kappa Carrageenan?
Iota Carrageenan typically forms softer and more elastic calcium-reactive gels, while Kappa Carrageenan is typically associated with stronger and more brittle potassium-reactive gels. Many commercial systems use carrageenan blends or carrageenan with other gums to reach a specific texture target.
Does Iota Carrageenan need heat to hydrate?
Most carrageenan grades require proper dispersion, heat and mixing to hydrate fully, although instantized or specially processed grades may hydrate more easily. The correct process depends on the supplier grade, liquid phase, solids, salts, pH and plant equipment.
Can Global Food Additives source Iota Carrageenan?
Global Food Additives can review sourcing options for Iota Carrageenan according to target specification, viscosity, gel strength, application, quantity, destination, packaging and required documentation.
Which documents should be requested?
Buyers commonly request a technical data sheet or specification, certificate of analysis, safety data sheet where applicable, origin statement, food-grade declaration, shelf-life information, allergen and GMO statements, halal or kosher certificates when required, microbiological criteria, heavy-metal declaration and packing details.
Is this product permitted in every country?
No. Carrageenan use depends on destination-market rules, food category, use level, label requirements, purity criteria and buyer responsibility. Always verify final suitability for the intended application.
What should be tested before changing supplier?
Manufacturers should compare viscosity, gel strength, hydration profile, particle size, colour, odour, ash, microbiology, heavy metals, finished-product texture, syneresis, heat stability, freeze-thaw behavior and shelf-life performance before approving a replacement grade.
Tell us which food additive or ingredient you need.
Send product names, target specifications, quantity, destination country, packaging preference, delivery term, and document requirements. Our team will review your inquiry and respond from [email protected].
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