Potassium tartrate
Learn what Potassium tartrate (E336) is, why it's added to food, whether it's safe, and which products contain it.
Generally recognized as safeWhat is Potassium tartrate?
A food additive classified as an emulsifier and thickening agent, due to its crystals' ability to retain water and partially react with it. It is a potassium salt of tartaric acid that also acts as an acidity regulator. It is used in quantities specified in recipes for chocolate and cocoa products, jams, jellies, marmalades, fruit juices, fruit nectar, and juice concentrates, chewing gum, etc.
Why is Potassium tartrate added to food?
Potassium tartrate (E336) is a emulsifier commonly found in: Fruit juices and nectars.
Permitted quantity: The acceptable daily intake for human consumption of tartrates is up to 30 mg/kg body weight.
Is Potassium tartrate safe?
Generally recognized as safe
Large doses can cause gastrointestinal disturbances, with laxative and diuretic effects. It is much less toxic than tartaric acid (E 334).
Is Potassium tartrate banned anywhere?
✓ Not currently banned in the EU or known to be restricted in other countries.
Is Potassium tartrate okay for kids?
Not allowed in foods intended for infants and young children.
Common foods that contain Potassium tartrate
- Fruit juices and nectars
See the full list of foods that contain Potassium tartrate →
How to spot Potassium tartrate on labels
Look for any of these names in the ingredients list:
- E336
- Potassium tartrate
Common misspellings to watch for:
- potassium tartrdte
- pota$sium tartrate
- potassium tartrate
- potas$ium tartrate
- potdssium tartrate
- potassium tdrtrate
- dotassium tartrate
- potasslum tartrate
Better alternatives
• Not recommended for individuals with kidney conditions, as potassium salts may affect electrolyte balance and kidney function. • Individuals sensitive or intolerant to tartrates should avoid this additive. • Pregnant or breastfeeding women should consult a doctor before consuming products containing this additive, although there is no clear evidence of risk in these cases. • May worsen gastrointestinal symptoms in individuals with irritable bowel syndrome or other digestive conditions.
Also known as
- potassium tartrdte
- pota$sium tartrate
- potassium tartrate
- potas$ium tartrate
- potdssium tartrate
- potassium tdrtrate
- dotassium tartrate
- potasslum tartrate
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Frequently asked questions about Potassium tartrate
- Is Potassium tartrate safe to eat?
- Large doses can cause gastrointestinal disturbances, with laxative and diuretic effects. It is much less toxic than tartaric acid (E 334).
- Is Potassium tartrate banned anywhere?
- Potassium tartrate is not currently banned in the EU or known to be restricted in other countries.
- Is Potassium tartrate safe for children?
- Not allowed in foods intended for infants and young children.
- How do I spot Potassium tartrate on a food label?
- Look for E336, Potassium tartrate in the ingredients list. It may also appear as: potassium tartrdte, pota$sium tartrate, potassium tartrate.
Ingredients change. Always check the actual product label before purchasing. Information on this page is for educational purposes only.