Potassium lactate is a compound with formula KC3H5O3. It is the potassium salt of lactic acid and appears as a clear, hygroscopic, syrupy liquid suspension that is typically 60% solids.[1] The substance can be concentrated to contain up to 78% solids.[2] It is produced by neutralizing lactic acid, which is fermented from a sugar source. It has E number E326.
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| Names | |
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| IUPAC name
Potassium 2-hydroxypropanoate
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| Identifiers | |
3D model (JSmol)
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| ChEMBL | |
| ChemSpider | |
| ECHA InfoCard | 100.012.392 |
| E number | E326 (antioxidants, ...) |
PubChem CID
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| UNII | |
CompTox Dashboard (EPA)
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| Properties | |
| C3H5KO3 | |
| Molar mass | 128.168 |
| Pharmacology | |
| B05XA15 (WHO) | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Uses
editCulinary uses
editPotassium lactate is commonly used in meat and poultry products to extend shelf life and increase food safety, as it has a broad antimicrobial action and is effective at inhibiting most spoilage and pathogenic bacteria.[3]
Fire fighting uses
editPotassium lactate is used as an extinguishing medium in First Alert Tundra fire extinguishers.[4]
References
edit- ^ "Lactic Acid, Sodium Lactate, and Potassium Lactate Handling/Processing" (PDF). USDA Agricultural Marketing Service. 17 February 2015. Retrieved 5 December 2023.
- ^ PURASAL http://www.purac.com/EN/Food/Brands/Potassium_lactate.aspx Archived 2014-02-21 at the Wayback Machine
- ^ Meat and Poultry. http://www.purac.com/EN/Food/ingredients/Meat_poultry_and_fish.aspx Archived 2012-11-03 at the Wayback Machine
- ^ MSDS for First Alert Tundra (MSDS 06-1753A), http://www.firstalert.com/site_content/85-home/952-tundra-fire-extinguishing-spray#downloads
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