Potassium malate
Salt of apple acid.
- Vegan
- Yes
- Vegetarian
- Yes
What it is
A salt of malic acid used to impart a smooth, lingering sour flavor to foods.
How it is used in food
Blends flavors together smoothly, particularly in fruit-flavored candies and beverages.
Commonly found in- Sour candies
- Soft drinks
- Fruit fillings
- Jellies
Health and safety
Safe. Malic acid is a natural metabolite found in all living cells.
Evaluated by EFSA and confirmed safe for use in food at authorized levels.
Regulatory status
| Region | Status | Notes |
|---|---|---|
| Australia & New Zealand FSANZ |
Permitted | Permitted under the FSANZ Food Standards Code. |
| European Union EFSA / European Commission |
Permitted | Authorised for food use under EU regulations (Annex II). |
| United States FDA (Food and Drug Administration) |
Permitted | Authorised for food use by the FDA (often GRAS for standard additives). |
Identification on labels
- E-number
- E351
Worth knowing
The extreme sour coating on "Warheads" or "Sour Patch Kids" is often a mixture of malic acid and malates.
Conclusion
You do not need to avoid potassium malate in this product. Sourced from the chemistry of natural apple acid, it is a safe compound that your body's cells recognise as a natural metabolite. EFSA confirms it is safe for blending sour flavors smoothly in soft drinks, fruit fillings, and sweets.
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Open the appEntry last reviewed 2026-07-28.
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