
Potassium bitartrate
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Potassium bitartrate (cream of tartar) (KC₄H₅O₆; also called potassium hydrogen tartrate / acid potassium tartrate; food additive E336(i)) Description • Acid salt of tartaric acid from winemaking: white crystals that naturally precipitate during wine maturation (“wine tartrates”). • Used as acidulant, acidity regulator, and leavening acid (with...