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Potassium Metabisulphite (KMS)

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Potassium metabisulfite is a food preservative that protects against germs while preserving the natural color of food. Using potassium powder mixture in food items allows for a significant reduction in sodium content. It is extensively used in the manufacture of wine, cider, juice, and beer.


INCI Name- Potassium metabisulfite

Molecular Formulae- K2S2O5

Alternative Names- Potassium Pyrosulfite

Purity of the ingredients- 99%

Country of Origin- India


BENEFITS AND APPLICATIONS-

  • Potassium metabisulfite is used as a preservative in things like lemon juice and pickles.
  • It is a potent antioxidant, protecting both the color and delicate flavors of the food.
  • It is used in the brewing industry to inhibit the growth of wild bacteria and fungi.
  • It neutralizes monochloramine from tap water.
  • It is used as a bleaching agent in many food products.

HOW IT WORKS-

  • It works as a preservative, antioxidant, and bleaching agent, extending the shelf life of food.
  • It works as an antioxidant and a chemical sterilant.

CONCENTRATION AND SOLUBILITY-

  • It is recommended that it should be used at a concentration of 10%.
  • It is soluble in water and insoluble in alcohol.

HOW TO USE-

  • It is manufactured by combining Sulphur dioxide and potassium carbonate at temperatures ranging from 50°C to 80°C.
  • Cool the reaction mixture. 
  • It will settle down into a colorless or white crystalline powder/granular after some time.