Potassium lactate

E 326

B05XA15

Template: Infobox chemical / molecular formula search available

Potassium lactate, the potassium salt of lactic acid.

History

The compound was first described in 1847 by H. Engelhardt and R. Maddrell scientifically.

Production and representation

Industrial potassium lactate is obtained by neutralization of lactic acid with potassium hydroxide.

Use

In the two world wars it was used as a substitute for glycerin in order to save this for war purposes.

For industrial use, it is available as an aqueous solution.

It has a broadband antimicrobial effect.

In the food industry it is used as a humectant and as an acidity regulator. It is often meat and poultry products are added to extend the shelf life or the saleability. Potassium lactate is in the EU as a food additive under the E number 326 for all approved additives for food - even for organic food - without a maximum limit ( quantum satis ) allowed.