Calcium Lactate
Calcium Lactate, identified as E327 in many markets, is a food-grade calcium salt used by manufacturers for pH control, buffering, calcium enrichment, flavour balance, firming, gelling support, leavening support and process stability. It is especially relevant where a mild-tasting calcium source is required without the strong bitterness often associated with some other calcium salts.
Industrial Calcium Lactate purchasing should be based on grade, assay, hydrate form, calcium content, solubility, sensory neutrality, particle size, moisture, microbiological profile, heavy metals, application performance and destination-market documentation. Global Food Additives supports food manufacturers with supplier comparison, specification review, document collection, sample coordination and export-ready quotation communication.
Product identity
| Product | Calcium Lactate |
|---|---|
| Common names | Calcium Lactate E327, Calcium Salt of Lactic Acid, Calcium 2-Hydroxypropanoate, Calcium Lactate Pentahydrate |
| Category | Acidulants & Acidity Regulators |
| Function | Acidity regulator / buffering ingredient / calcium source / firming agent / gelling-support ingredient |
| E / INS number | E327 |
| CAS / identity | 814-80-2 |
| Chemical identity | Calcium salt of lactic acid; may be supplied as an anhydrous or hydrated grade depending on supplier specification |
| Typical form | Powder, crystal, granule, fine powder, premix-ready grade, solution grade or application-specific blend |
| Typical appearance | White to off-white crystalline powder or granule depending on grade and hydrate form |
| Solubility profile | Water-soluble calcium salt; practical dissolution depends on grade, temperature, particle size, agitation and matrix composition |
| Key performance role | Calcium delivery, pH buffering, mild acid-salt flavour balance, firming, alginate gel formation and product stability support |
Application fit
Calcium Lactate is used where calcium functionality, buffering or controlled calcium release is required. Potential use areas may include:
- Beverages, powdered drinks, isotonic drinks and calcium-enriched drink systems
- Confectionery, gummies, gels, jellies, fillings and panned products
- Sauces, dressings, condiments, marinades and acidic savoury systems
- Dairy systems, dairy desserts, cheese-style products and fermented products
- Fresh-cut fruits and vegetables where firmness and texture retention are targeted
- Alginate gelling, reverse spherification, fruit preparations and dessert gels
- Bakery systems, leavening systems and calcium-enriched cereal products
- Nutrition powders, supplements and food premixes where permitted
Technical performance overview
Calcium Lactate contributes both calcium ions and lactate ions, allowing it to function across several formulation roles. It can provide a calcium source for fortification, support gel formation with alginate systems, improve firmness in fruit and vegetable applications, contribute to buffering in acidic systems, and support selected leavening or stabilising functions. Its relatively mild flavour profile can make it attractive where calcium chloride would create excessive bitterness or harshness.
Performance depends on grade selection and the full food matrix. Solubility, hydrate form, particle size, addition point, pH, ionic strength, competing salts, proteins, hydrocolloids, acids, sugars, heat treatment and storage temperature can all affect final behaviour. Buyers should test Calcium Lactate in the actual formulation rather than relying only on water solubility or generic specification data.
Key formulation variables
| Calcium content | Determines fortification efficiency and dosage calculation; confirm whether values are reported on anhydrous or hydrated basis. |
|---|---|
| Hydrate form | Anhydrous and hydrated grades differ in molecular weight, assay basis, flowability, solubility and calcium contribution per kilogram. |
| Solubility | Important for beverages, gels and liquid systems; temperature, agitation and particle size influence dissolution rate. |
| pH and buffering | Calcium Lactate can support pH control and flavour balance, but final pH depends on the whole acid-base system. |
| Calcium reactivity | Calcium ions may interact with alginate, pectin, proteins, phosphate, citrate, carbonate and other chelating or gelling systems. |
| Sensory impact | Generally milder than calcium chloride, but dosage, pH, sweetness, bitterness masking and flavour system should be tested. |
| Particle size | Controls dissolution speed, dusting, segregation risk, dry-blend uniformity and handling in automated dosing systems. |
| Microbiology | Critical for ready-to-eat, low-heat, beverage and infant or special-nutrition applications where permitted. |
Industrial advantages
- Useful calcium source for fortified foods and beverages
- Milder sensory profile than some highly bitter calcium salts
- Supports pH control and buffering in selected acidic systems
- Can improve firmness in fruit and vegetable applications
- Provides calcium for alginate gelling and reverse spherification systems
- Can support leavening and stabilising functions where technically justified
- Available in powder, crystal, granule and premix-ready grades
- Compatible with many dry mixes, liquid systems and gel applications when validated
Calcium delivery and formulation calculation
For calcium enrichment projects, the buyer should calculate the contribution from elemental calcium rather than from Calcium Lactate weight alone. This calculation depends on assay, hydrate form, moisture, target serving size, processing loss, storage loss and label rules in the destination market. If the product is intended to make a calcium claim, the formulation should be validated by finished-product analysis and regulatory review.
| Calculation area | Why it matters | What to request or confirm |
|---|---|---|
| Assay basis | Determines how much Calcium Lactate is present in the supplied grade | Assay range, test method and whether result is reported on dry, as-is, anhydrous or hydrate basis |
| Elemental calcium | Required for calcium-fortification dosage and nutrition-label calculation | Calcium content, conversion factor and COA value for the specific batch |
| Target serving value | Links raw material dosage to nutrition label and claims | mg calcium per serving, local reference value, claim threshold and rounding rules |
| Matrix compatibility | Prevents precipitation, haze, grittiness or texture defects | pH, phosphate, citrate, protein, pectin, alginate, carbonate and mineral system interactions |
| Processing and storage | Can change calcium availability, solubility and finished-product clarity | Heat exposure, pH drift, storage temperature, package type and shelf-life testing data |
Application and process guidance
The right Calcium Lactate grade should be selected according to application and equipment. Beverage plants may require fast dissolution and low insoluble matter. Dry mix plants may prioritise particle size, flowability and low dusting. Gel and spherification systems require predictable calcium release. Fruit and vegetable applications require surface treatment performance, firmness improvement and sensory neutrality. Premix users should check segregation risk, calcium contribution and interaction with vitamins or minerals.
Recommended evaluation steps
- 1. Define the target function: pH buffering, calcium fortification, firming, alginate gelling, flavour balance, leavening support or stabilisation.
- 2. Confirm grade identity: request assay, hydrate form, calcium content, particle size, solubility and COA values.
- 3. Check the matrix: share pH, Brix, proteins, hydrocolloids, acids, salts, phosphates, citrates, preservatives and heat process.
- 4. Run bench trials: evaluate dissolution, clarity, flavour, firmness, gel strength, precipitation, viscosity and shelf-life stability.
- 5. Validate scale-up: test dosing equipment, mixing time, hydration, filtration, powder flow, batch uniformity and cleaning behaviour.
- 6. Confirm compliance: verify food category, use level, label name, calcium claim rules and destination-market documentation.
Where extra caution is needed
- Clear beverages where calcium haze, precipitation or sediment may be visible
- High-phosphate or high-citrate systems where calcium can complex or precipitate
- High-dosage calcium-fortified products where mineral taste may appear
- Alginate systems where uncontrolled calcium release can cause premature gelation
- Protein beverages and dairy systems where calcium can affect stability or viscosity
- Low-moisture powders where hygroscopicity, caking and segregation must be controlled
- Infant formula, infant foods, medical foods or regulated nutrition categories requiring special approval
Typical industrial application areas
| Application | Technical objective | Purchasing notes |
|---|---|---|
| Beverages and powdered drinks | Calcium enrichment, mild buffering and mineral balance | Check solubility, clarity, pH, precipitation, flavour impact, chelators, packaging and end-of-shelf-life stability. |
| Confectionery and gummies | Calcium addition, texture support and gel-system interaction | Evaluate pectin or gelatin interaction, cooking temperature, pH, Brix, water activity and sensory impact. |
| Sauces and dressings | pH buffering, flavour balance and mineral contribution | Review acid system, salt level, emulsifier system, starch or gum interaction, heat process and label declaration. |
| Dairy and dairy-style systems | Calcium addition, buffering and process stability | Check protein stability, phosphate/citrate balance, fermentation impact, heat treatment and storage conditions. |
| Fresh-cut fruits and vegetables | Firmness improvement, texture retention and quality preservation support | Evaluate dip concentration, contact time, sensory impact, surface residue, packaging atmosphere and shelf-life texture. |
| Alginate gels and spherification | Controlled calcium release for gel formation | Review alginate type, calcium dose, pH, contact time, flavour impact and gel strength. |
| Bakery and leavening systems | Calcium contribution, process support and selected leavening interactions | Check formula pH, leavening acid balance, dough handling, baking performance and finished texture. |
| Nutrition powders and premixes | Calcium enrichment and mineral premix standardisation | Review elemental calcium contribution, particle size, blend uniformity, caking risk and vitamin/mineral compatibility. |
Specification checklist for buyers
For industrial purchasing, Calcium Lactate should be evaluated by functional performance, calcium delivery, regulatory suitability and documentation quality. A lower-priced grade may create higher cost-in-use if it has lower assay, unsuitable hydrate form, poor solubility, wider particle-size variation, weaker documentation or unacceptable sensory impact.
Technical specification points
- Assay and identification method
- Hydrate form and moisture or water of crystallisation
- Elemental calcium content and conversion basis
- pH of solution and buffering behaviour
- Solubility, dissolution time and insoluble matter
- Particle size distribution, bulk density and flowability
- Colour, odour, taste and sensory neutrality
- Chloride, sulphate, organic impurities and residual lactate-related impurities where specified
- Heavy metals such as lead, arsenic, mercury and cadmium according to market requirements
- Microbiological limits including total plate count, yeast, mould and pathogens where relevant
- Residual solvents, processing aids and contaminant declarations where required
- Shelf life, storage temperature and opened-pack handling instructions
Commercial comparison points
- Minimum order quantity and sample availability
- Standard grade: powder, crystal, granule, fine powder, liquid or premix-ready grade
- Standard packing size, liner type, bag, carton, drum or big-bag options
- Batch size, lead time and supply continuity
- Food-grade, FCC, USP, EP or other compendial alignment where required
- Halal, Kosher, allergen, GMO, vegan and gluten statements where required
- Suitability for calcium claims, alginate gels, beverages or fresh-cut produce applications
- Destination-market regulatory declaration and label support documents
Quality, safety and compliance control
Food-grade Calcium Lactate should be purchased with a complete technical and regulatory file. Quality teams should review assay, identity, calcium content, hydrate form, purity, heavy metals, microbiological limits, sensory profile, packaging integrity and shelf-life conditions. For high-visibility applications such as beverages, gels and fortified foods, finished-product testing should confirm clarity, texture, calcium level and stability after processing and storage.
Because Calcium Lactate can be used for several different technological purposes, the requested documentation should match the intended use. A project focused on calcium fortification may require nutrient-source documents and label-support data. A project focused on alginate gelling may require application guidance and gel-strength trials. A fresh-cut produce project may require quality, residue, sensory and shelf-life validation.
Processing and handling notes
Calcium Lactate should be stored in a cool, dry and clean warehouse away from moisture, strong odours and incompatible materials. Keep bags or drums tightly closed after opening to protect powder flow and prevent moisture pick-up. In dry blends, pre-blend with a suitable carrier where low inclusion rates are used. In liquid systems, add under sufficient agitation and allow full dissolution before filtration, heat treatment or final pH adjustment.
| Processing factor | Industrial importance | What to confirm |
|---|---|---|
| Dissolution method | Controls clarity, sediment, mineral distribution and process efficiency | Water temperature, agitation, addition rate, stock concentration and filtration requirement |
| Addition order | Prevents unwanted precipitation or premature gelation | Sequence relative to acids, phosphates, citrate, alginate, pectin, proteins and preservatives |
| pH adjustment | Affects flavour, buffering, calcium availability and microbial-stability strategy | Target pH, acid type, buffer capacity and pH drift during shelf life |
| Powder handling | Impacts dosing accuracy, dusting, flowability and dry-blend uniformity | Particle size, bulk density, humidity control, feeder type and premix strategy |
| Heat process | Can affect solubility, precipitation, gelation and finished-product texture | Pasteurisation, retort, baking, hot-fill, cooling rate and storage temperature |
Regulatory and label review notes
Calcium Lactate is identified as E327 in many markets, but approval status, food categories, use levels, label declaration and nutrient-claim rules depend on the destination country and finished product. It may be reviewed as an acidity regulator, firming agent, stabilising ingredient, nutrient source, leavening-support ingredient or other market-specific category depending on use and local regulation.
For U.S.-oriented review, 21 CFR 184.1207 identifies Calcium Lactate as a direct human food ingredient used under current good manufacturing practice for functions such as firming agent, flavor enhancer, flavoring agent or adjuvant, leavening agent, nutrient supplement, and stabilizer and thickener, while excluding infant foods and infant formulas from the listed GMP use condition. For other countries, buyers should verify local additive lists, nutrient-source rules, maximum levels, warning requirements and finished-label declaration before commercial launch.
Industrial troubleshooting guide
| Observed issue | Possible cause | Corrective action to test |
|---|---|---|
| Cloudiness or sediment in beverage | Calcium precipitation with phosphate, citrate, carbonate, proteins or insufficient dissolution | Review mineral system, adjust addition order, lower concentration, use chelation strategy or test alternate calcium source. |
| Mineral or bitter taste | High calcium dosage, low sweetness, unsuitable pH or flavour mismatch | Reduce dose if possible, split calcium sources, adjust flavour system, add masking strategy or test lower-impact grade. |
| Weak alginate gel | Insufficient available calcium, wrong pH, chelators present or incompatible alginate grade | Increase calcium dose, change addition method, review chelators and test application-specific alginate system. |
| Premature gelation | Calcium added too early or released too quickly in alginate or pectin systems | Change addition order, use controlled-release system, adjust pH or add sequestrant where technically and legally suitable. |
| Powder caking or poor flow | Moisture exposure, fine particle size, damaged packaging or humid warehouse | Improve moisture-barrier packaging, control humidity, use granular grade and reseal opened containers quickly. |
| Finished calcium level is below target | Wrong hydrate conversion, assay variation, dosage error or analytical sampling issue | Confirm conversion basis, review COA, improve weighing accuracy and validate finished-product analytical method. |
Documents to request
A complete Calcium Lactate purchasing file should support procurement, R&D, quality assurance, regulatory, production and customer-audit teams. Depending on application and destination market, buyers commonly request:
- Product specification or technical data sheet
- Certificate of analysis for available batch or lot
- Safety data sheet where applicable
- Food-grade declaration and intended-use statement
- Assay, identification, hydrate form and elemental calcium content
- Solubility, pH, particle size, moisture and bulk density data
- Compendial compliance statement where required, such as FCC, USP, EP or customer-specific standard
- Heavy metals, residual impurities and contaminant declarations
- Microbiological specification and pathogen absence statement where relevant
- Allergen statement, GMO statement, gluten statement and vegan suitability statement
- Halal and Kosher certificates where required
- Origin, manufacturer, shelf-life and storage information
- Label declaration guidance and market-specific regulatory statement
- Packaging details, pallet configuration and transport recommendations
Packaging and logistics
Calcium Lactate is commonly supplied in multi-layer paper bags, PE-lined bags, cartons, fibre drums, plastic drums, big bags or liquid containers depending on grade and order size. Packaging should protect against moisture, contamination and powder leakage. Fine powder may require dust-control precautions during unloading and weighing, while granular grades may support improved flow and lower dusting.
For export shipments, buyers should confirm net weight, gross weight, pallet dimensions, container loading, shelf life remaining at dispatch, storage temperature, humidity protection, customs classification and whether any destination-market import document is required. Warehouse teams should store Calcium Lactate in sealed original packaging until use and avoid exposure to water, steam, strong odours and incompatible chemicals.
How to request this product
Send the product name, target grade or reference specification, required assay, target function, quantity, destination country, packaging preference, expected shipment date and required documents. If you already purchase Calcium Lactate, attach or describe your existing specification, label, certificate of analysis, application, use level and finished-product target so supplier options can be compared more accurately.
Useful answers
What is Calcium Lactate used for in food manufacturing?
Calcium Lactate is typically discussed for pH control, flavour balance, calcium fortification, buffering, firming, gelling support, preservation support and process stability. Exact suitability depends on grade, application, process, regulations and supplier documents.
Is Calcium Lactate the same as lactose?
No. Calcium Lactate is a calcium salt of lactic acid and is not the same as lactose. However, buyers should still request origin, allergen and dairy-related declarations from the supplier for the exact grade.
Can Calcium Lactate be used for calcium fortification?
Yes, it may be used as a calcium source where permitted. Buyers should calculate elemental calcium contribution, confirm hydrate form, validate sensory impact and verify nutrition-label rules in the destination market.
Can Calcium Lactate be used with alginate?
Yes. Calcium Lactate is commonly evaluated as a calcium source for alginate gel formation and reverse spherification systems. Gel strength and timing depend on calcium dose, alginate type, pH, chelators, temperature and process conditions.
Why choose Calcium Lactate instead of Calcium Chloride?
Calcium Lactate is often preferred when a milder taste is needed. Calcium Chloride can provide strong calcium reactivity but may create bitterness or harsh mineral notes in some applications.
Which specification parameters matter most?
Important parameters include assay, hydrate form, elemental calcium content, solubility, pH, moisture, particle size, bulk density, sensory profile, heavy metals, microbiological limits, shelf life and storage requirements.
Can Global Food Additives source Calcium Lactate?
Global Food Additives can review sourcing options for Calcium Lactate according to target specification, assay, physical form, quantity, destination, packaging preference, delivery term and required documentation.
Is this product permitted in every country?
No. Food additive use, nutrient-source status, food category permissions, maximum levels, label declaration and calcium claims depend on destination-market rules, supplier documentation and buyer responsibility.
Tell us which food additive or ingredient you need.
Send product names, target specifications, quantity, destination country, packaging preference, delivery term, and document requirements. For Calcium Lactate, please also include application, target function, required form, hydrate preference, calcium-content target, use level, pH target and any calcium-claim or label requirements. Our team will review your inquiry and respond from orders@foodgradeadditives.com.
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