Food grade Calcium lactate CAS 814-80-2

 What is Calcium Lactate?

Where did it come from?

Calcium lactate is produced by the natural fermentation of lactic acid in reaction with calcium carbonate or calcium hydroxide. Lactic acid originates from the fermentation of plant carbohydrates such as corn and sugar beets, and the entire production process can be traced back to the plant—giving calcium lactate a natural advantage in the clean label and vegan markets.

Uses of food-grade calcium lactate

1. Calcium supplementation and fortification – the primary function

2. Hardener – keeps fruits and vegetables upright and prevents them from softening.

The core value of calcium lactate as a curing agent is to reinforce pectin structure with calcium bridges:

Why not use calcium chloride (CaCl₂)? Calcium chloride has a similar effect but is cheaper—but it has a distinctly bitter and salty taste. Consumers will detect the off-flavor of calcium chloride in ready-to-eat fresh-cut fruits and high-end cheeses. Calcium lactate is a slightly more expensive but flavor-enhancing premium option.

3. Enamel remineralization – a functional ingredient in chewing gum and candy

Studies have confirmed that adding calcium lactate to xylitol chewing gum:

● The calcium concentration in saliva continues to rise after chewing.

(Not just a one-time increase during chewing);

● Increased calcium-phosphorus saturation in micro-regions of the tooth surface drives the deposition of hydroxyapatite into the demineralized zone;

● Compared to plain xylitol gum,

Xylitol chewing gum containing calcium lactate has a significantly stronger remineralization effect on early caries lesions.

This function isn't limited to chewing gum—sugar-free candies and lozenges with added calcium lactate also have similar effects. In this emerging category of "functional candies," calcium lactate is the chemical support for dental health claims.

4. Acidity adjustment and buffering

The lactate group in calcium lactate provides a mild acid buffer. In some acidic foods (juices, canned goods, sauces), it modulates the acidity, making the taste milder—while also providing calcium.

5. Leavening agents – late-stage gas production during baking

In chemical leavening systems, calcium lactate, due to its slow reaction at low temperatures and accelerated reaction at high temperatures, can be used as an auxiliary alkali source in the later stages of baking (before the dough is finally set in the oven) to provide "late" CO₂ expansion by reacting with sodium bicarbonate.

6. Calcium sources in fermented foods – yogurt and cheese

In the fermentation production of yogurt and cheese, calcium lactate is added as an extra calcium nutrient for lactic acid bacteria—Ca²⁺—to help stabilize casein micelles, reduce whey separation, and improve the texture of the finished product.

Summarize

Calcium Lactate (E327) is a "gentle powerhouse" in the calcium source family—it doesn't compete for the highest calcium content, but it's the optimal solution in every scenario where calcium carbonate "can't" or "doesn't do it well":

Calcium carbonate is the "stone" of calcium – it requires enough stomach acid to "break" it down. Calcium lactate is the "solution" of calcium – it's already dissolved in water, and the body only needs to reach in to get it.