Copius
Calcium lactate gluconate, drawn for Copius

Calcium lactate gluconate

Gluconolactate de calcium

Latin nameCalcium lactate gluconate (E327/E578)
FamilyTexture agents
OriginIndustrial calcium salts
Season (France)All year
FlavourMild · Delicate
Typical price (France)40–80 €/kg

What it is

It is not one salt but two fused into a double salt, calcium bound to both lactic and gluconic acid, made because plain calcium lactate reaches its solubility limit and throws a chalky grit long before a spherification base carries enough calcium. The gluconate half keeps it dissolved in cream, in acidic fruit purée and in spirits, where the lactate alone clouds.

In the kitchen

Weigh 1.5 to 2 % into the base, blend, and rest it until every bubble has risen — trapped air floats a sphere and sets it flat on one side. Past about 3 % the mouth turns chalky, and the answer is a longer bath, not more salt.

Goes with

Yogurt Cream Mango Dark chocolate Coffee Cognac Raspberry

Same species

Calcium chloride Calcium lactate

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