Last reviewed May 2026 · 1 min read
Is Sodium Citrate vegan?
Also known as: Sour salt, E331
E-number: E331
Vegan
Suitable for a vegan diet.
Yes — Produced synthetically.
01 · The basics
What is Sodium Citrate?
A salt of citric acid used for flavor and as a preservative.
02 · The source
Where it comes from
Produced synthetically. 100% vegan.
Frequently asked
FAQ
Is E331 vegan?
Yes.
Commonly found in
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Acetic Acid
The main component of vinegar, used as an acidity regulator and preservative.
Potassium Acetate
The potassium salt of acetic acid, used as a food preservative and acidity regulator.
Sodium Citrates
The sodium salts of citric acid, heavily used as flavorings and preservatives (like 'sour salt').
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