What precautions should be taken when using potassium sorbate?

Potassium sorbate prolongs the shelf life of foods by stopping the growth of mold, yeast, and fungi. It was discovered in the s by the French, who derived it from berries of the mountain ash tree. Its safety and uses as a preservative have been researched for the last fifty years. The U.S. Food and Drug Administration (FDA) recognizes it as generally safe when used appropriately.

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Potassium sorbate is a chemical additive. It&#;s widely used as a preservative in foods, drinks, and personal care products. It is an odorless and tasteless salt synthetically produced from sorbic acid and potassium hydroxide.

Potassium sorbate is also approved for safe use as a preservative in moist cat and dog foods and in other animal feed.

Potassium sorbate is used as an antimicrobial and preservative in personal care items, as well, such as:

You may find it added to many food products, such as:

You&#;ll find potassium sorbate on the list of ingredients for many common foods. It&#;s a popular preservative because it&#;s effective and doesn&#;t change the qualities of a product, such as taste, smell, or appearance. It&#;s also water-soluble, and it works at room temperature.

Regulatory agencies such as the FDA, the United Nations Food and Agriculture Organization, and the European Food Safety Authority (EFSA) have determined that potassium sorbate is &#;generally regarded as safe,&#; abbreviated as GRAS. When you eat potassium sorbate as a food additive, it passes through your system harmlessly as water and carbon dioxide. It does not accumulate in your body.

What does the research say?

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In , the EFSA reviewed potassium sorbate and two other food additives. It set a temporary acceptable daily intake of 3 mg per kg of body weight per day. This limit is in response to questions about reproductive and developmental toxicity from animal research. Rats were fed 300 mg per day with no observed bad effects. For added safety, the EFSO set a standard that was 100 times lower.

The maximum acceptable daily intake for humans is 25 milligrams per kilogram (mg per kg) of body weight per day. For an adult of 150 pounds, this comes to 1,750 mg per day.

Sodium benzoate and Potassium sorbate is equally effective against bacteria, yeasts and mould fungi. It is a typically biostatic product with the biocidal properties necessary for practical use.

For Sodium benzoate & Potassium sorbate to perform effectively in destroying organisms in products already contaminated, a minimum contact time of 48 hours is necessary.

Since the effect of Sodium benzoate & Potassium sorbate takes place through chemical reactions with the microorganisms, when it is used in heavily contaminated products loss of active ingredient must be taken into account.

Good production hygiene, as well as the use of raw materials with low microorganism levels as a result of correct raw material control, are of course vital prerequisites for the production of microbiologically faultless finished products.

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