Last reviewed May 2026 · 1 min read

Is Metatartaric acid vegan?

Also known as: E353

E-number: E353

Vegan

Suitable for a vegan diet.

In short

Yes — It is produced by heating tartaric acid (which is derived from grapes).

01 · The basics

What is Metatartaric acid?

A compound used in winemaking to prevent the precipitation of tartar crystals.

02 · The source

It is produced by heating tartaric acid (which is derived from grapes). It is 100% plant-based.

Frequently asked

Is E353 vegan?

Yes, it is derived from grapes and involves no animal products.

Why is it in my wine?

It prevents 'wine diamonds' (crystals) from forming at the bottom of the bottle when the wine is stored in a cold place.

Commonly found in

WineSparkling wine

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