Calcium + lactate
The compound contains one calcium ion associated with two lactate ions. Its formula is commonly represented as C6H10CaO6, and food-grade material may occur in hydrated forms.
Functional pantry · Molecular gastronomy · Spherification salts
Calcium Lactate
A food-grade calcium salt of lactic acid used in professional food production for functions such as firming and pH control—and, in modernist cuisine, as a clean-tasting calcium source for sodium-alginate spherification.
System icon ·
/academy/ibrary/pantry/starches/calciumlactate.png
Ingredient identitycalcium_lactate
Icon IDTC-ICON-CALCIUM-LACTATE
Inventory IDcalcium_lactate
INS / E number327 / E327
CategoryFunctional Pantry
Base unitg
Ingredient identity
What calcium lactate actually is
Calcium lactate is the calcium salt of lactic acid. Food-grade material is typically a white to off-white crystalline or powder ingredient. It supplies calcium ions while contributing less of the aggressively bitter/salty character associated with some other calcium salts, which is why chefs value it in delicate modernist preparations.
Classification note: this page lives in the requested
/pantry/starches/ folder for Tuscany Cuisine organization, but calcium lactate is not a starch. Its culinary identity is a functional pantry ingredient / calcium salt / spherification ingredient.
INS 327 / E327
Codex identifies calcium lactate as INS 327. In European food-additive terminology it is commonly identified as E327.
Food-grade only
For culinary use, purchase food-grade product from a reputable supplier, retain lot and specification information, and follow supplier dosage and storage guidance for the specific formulation.
Origin and history
From fermented milk chemistry to a modern functional ingredient
The story begins with lactic acid. Swedish chemist Carl Wilhelm Scheele isolated lactic acid from sour milk in 1780. Louis Pasteur later connected lactic-acid production with microorganisms, helping establish fermentation as an industrial route. Calcium lactate emerged naturally from the chemistry of neutralizing lactic acid with a calcium source.
Carl Wilhelm Scheele isolated and purified lactic acid from fermented or sour milk.
Pasteur connected Lactobacillus activity with lactic-acid formation, helping establish microbial fermentation as a production pathway.
Carbohydrates such as sugars, starch-derived sugars, molasses or other fermentable feedstocks can be converted to lactic acid by selected microorganisms.
Today calcium lactate appears in conventional food processing and in modernist kitchens as a controlled calcium source for spherification.
How calcium lactate is obtained
Ferment → neutralize → purify → crystallize
Commercial food-grade calcium lactate is produced by reacting lactic acid with a calcium base. U.S. food regulations specifically describe commercial preparation by neutralizing lactic acid with calcium carbonate or calcium hydroxide.
Make lactic acid
Selected microorganisms ferment carbohydrate feedstocks and produce lactic acid.
Add calcium source
Calcium carbonate or calcium hydroxide is used to neutralize the acid and supply calcium.
Form calcium lactate
The neutralization reaction converts lactic acid into its calcium salt.
Clarify and concentrate
Commercial processing removes insoluble material and concentrates the purified solution.
Crystallize and dry
The salt is crystallized, separated and dried or milled into the food-grade powder supplied to kitchens and manufacturers.
Important: “lactate” does not mean the finished powder contains dairy. The name comes from lactic acid chemistry. Allergen status must still be verified from the purchased product specification and manufacturing statement.
Modernist culinary science
Why calcium lactate works with sodium alginate
Sodium alginate is an alginate hydrocolloid. When calcium ions become available at the interface between an alginate phase and a calcium-containing phase, the alginate chains cross-link and form a calcium-alginate gel. In the kitchen, that reaction can create the thin elastic membrane around a liquid or creamy center.
Calcium Lactate
Supplies Ca²⁺ ions in the flavored base.
Sodium Alginate Bath
Hydrated alginate is dispersed in the surrounding liquid.
Calcium Alginate Membrane
A thin gel skin forms where the two phases meet.
Calcium in the burrata base
Recipe 169 mixes calcium lactate into the chilled mozzarella-and-cream base, then places the mixture into a sodium-alginate bath. This is the key membrane-forming reaction for the Molecular Burrata sphere.
Bath hydration matters
Alginate should be fully dispersed and allowed to rest so air bubbles diminish. A smooth bath improves the surface of the finished sphere.
Rinse after setting
Once the membrane reaches the desired strength, transfer the sphere to clean water to rinse away excess alginate solution before plating.
Professional culinary uses
Beyond molecular spheres
Calcium lactate is recognized in food systems for several technical functions. The exact permitted use and dosage depend on jurisdiction, food category and supplier specification.
Spherification
Provides calcium for alginate cross-linking in spheres, pearls, ravioli-like liquids and other membrane-based presentations.
Firming
Calcium can help strengthen pectin-rich plant tissues, so calcium lactate is used in some fruit and vegetable processing where firmness is desired.
pH and stability
Food authorities recognize calcium lactate for functions that include acidity regulation, stabilization, thickening and other formulation roles.
Dough and leavening systems
FDA food-substance records include dough strengthening, leavening and fermentation-related technical effects among its food uses.
Calcium source
Calcium lactate can also be used as a calcium-containing ingredient. Nutritional use should be formulated and labeled according to the applicable product standard.
Specialty functional ingredient
Professional kitchens typically source it from molecular-gastronomy, pastry, food-science or specialty ingredient suppliers rather than conventional produce vendors.
Ingredient comparison
Calcium lactate is not calcium chloride—and not sodium alginate
These ingredients may appear together in modernist cuisine, but they perform different jobs and should remain separate inventory identities.
| Ingredient | Main role | Flavor consideration | Spherification role | Tuscany Cuisine identity |
|---|---|---|---|---|
| Calcium Lactate | Calcium salt; firming and functional food ingredient. | Generally preferred when a milder calcium source is desirable. | Supplies calcium ions that cross-link alginate. | calcium_lactate |
| Calcium Chloride | Highly soluble calcium salt and firming agent. | Can produce a distinctly bitter/salty note if not controlled. | Also supplies calcium ions; frequently used where flavor impact is acceptable or rinsing is effective. | Separate future ingredient record. |
| Sodium Alginate | Hydrocolloid derived from alginate. | Not a calcium salt. | Provides the polymer that forms the gel membrane when exposed to calcium. | sodium_alginate · separate record planned. |
Purchasing, receiving and storage
Treat it like a precision pantry ingredient
Because calcium lactate is used by weight in functional formulas, identity, purity, storage and accurate measurement matter more than visual appearance alone.
Purchasing
Specify food-grade calcium lactate. Keep the supplier specification, lot number and packaging identity connected to the purchasing record.
Receiving
Check the product name, lot, seal, package integrity, food-grade statement and any certificate/specification required by the operation.
Storage
Store sealed in a clean, dry pantry away from contamination and moisture. Follow the manufacturer’s shelf-life and storage directions.
Scaling
Use a precise gram scale. Do not estimate molecular-gastronomy salts by spoon volume when recipe repeatability matters.
Labeling
Keep the container labeled after opening or repacking. Never store it in an unlabeled deli container where it could be confused with salt, sugar or starch.
Allergen control
Calcium lactate itself is a chemical salt, not milk protein; however, the purchased product must be checked for facility statements, carriers or cross-contact information.
Tuscany Cuisine platform record
Confirmed recipe usage
The current Tuscany Cuisine inventory identity is calcium_lactate. This page activates the dedicated icon and educational record without inventing a conflicting permanent Master Ingredient Registry code; formal registry-code synchronization can follow the platform registry process.
Calcium Lactate Ingredient Usage
Inventory, recipe, purchasing and receiving identity
1confirmed recipe
Icon:
/academy/ibrary/pantry/starches/calciumlactate.png
Inventory: calcium_lactate
Registry code: formal assignment pending
Recipe Library
The recipe can use this icon and ingredient page directly while preserving quantity scaling and the existing inventory key.
Menu Builder & Station
The ingredient remains part of the Antipasti Station molecular-preparation pick list when Recipe 169 is placed on a menu.
Inventory & Purchasing
The stable inventory ID allows stock, purchasing, receiving and future vendor records to point back to one functional ingredient identity.
Technical references
Food-science and regulatory sources
This page separates culinary interpretation from the core regulatory and chemical identity of the ingredient.
Commercial manufacture by neutralizing lactic acid with calcium carbonate or calcium hydroxide; food use under current good manufacturing practice.
Lists food functions including firming, pH control, stabilizing, thickening, leavening and nutrient use.
International food-additive identity and functional classes.
INS 327 chemical identity, CAS number and JECFA evaluation record.
Chemical names, formula, food uses and manufacturing references.
Scheele’s 1780 isolation from fermented milk and Pasteur’s contribution to understanding microbial production.
Culinary-use note: dosage for spherification is formula-dependent. Follow the recipe, food-grade supplier specification and applicable food regulations rather than assuming a universal percentage.