Acid or acidity regulator
E337 (sodium potassium tartrate): what it is, its sources, vegan or not
E337 is sodium potassium tartrate, an acidity regulator. E337 comes from grapes. Vegan and vegetarian profiles get Fits you.
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By Bravoora teamUpdated Sources checked 4 sourcesHow we check
Fits you
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E337=grapes
What is E337?
E337 (sodium potassium tartrate) is an acidity regulator, an additive that adds acidity or a sour taste to a food, or controls how acid it is.
What is E337 made from?
Made from the tartaric acid left over from winemaking.
- Grapes
Is E337 vegan?
Fits you. E337 comes from grapes. Nothing from an animal.
Bravoora is a calorie tracker and ingredient checker app. Scan a pack, a supplement or a skincare label and it answers for each person on your plan.
What the app says to each profile, and the reason it shows.
What other names does E337 have on a label?
Any of these on a pack means E337. The checker reads them all.
What would change the answer for E337?
For E337, only the ingredient list itself. A code the camera cannot read gets Needs one more scan, and the app never guesses a code it cannot see.
Sources: EU, US and Codex additive rules
Where additives are listed and approved. Bravoora reads the source and the diet; it does not rate the hazard.
- EU Regulation 1333/2008 on food additives (the E-number list)
- EU Regulation 1169/2011, Annex II: the allergen sources a label must name
- US FDA: Food Additive Status List
- FAO/WHO Codex: General Standard for Food Additives (GSFA) online
Names and classes cross-checked with Open Food Facts (Open Database License).
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