Metatartaric acid

Metatartaric acid a polymeric lactone of variable composition obtained by heating tartaric acid.

Uses

It is used to prevent precipitation in wine and is listed as E number E353 as a food additive.

gollark: Well, actually, potatOS does support it, unless your handle happens to be to a virtualized file, at which point it'll just crash horribly somewhere.
gollark: Also you'll doom all VFS writers to an eternity of suffering.
gollark: Why would you use it?! PotatOS has no support.
gollark: So, theoretically yes, except nobody uses that so it's fine.
gollark: Do I need to update potatOS?

References

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