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E336AcidulantLow concern
Potassium Tartrate
In plain words
The short version
Cream of tartar — the slow acid in classic baking powders.
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 of 0–30 mg/kg body weight (as tartrate, combined with E334). Negligible toxicity; very high doses are laxative. Long history of safe use in home and commercial baking.
The detail
Educational information only. Not medical or dietary advice.