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E261AcidulantLow concern
Potassium Acetate
In plain words
The short version
The potassium salt of acetic acid — sodium-free buffer and pickle preservative.
Why it's green
It's widely considered safe at the amounts used in food, so we mark it green. The Safety section below has the details.
Safety profile
ADI not specified — considered safe. Acetate is a normal endogenous metabolite. Potassium load is the practical concern in patients with impaired renal function.
The detail
Educational information only. Not medical or dietary advice.