What is E1520? Complete guide to understanding E1520 (Propylene Glycol) in your food The Quick Answer E1520 is propylene glycol (also called propane-1,2-diol or 1,2-propanediol)—a synthetic liquid alcohol used in…

What is E260? Complete guide to understanding E260 (Acetic Acid/Vinegar) in your food The Quick Answer E260 is acetic acid, the weak organic acid that gives vinegar its characteristic sour…

What is E261? Complete guide to understanding E261 (Potassium Acetate) in your food The Quick Answer E261 is potassium acetate, the potassium salt of acetic acid (the main component of…

What is E263? Complete guide to understanding E263 (Calcium Acetate) in your food The Quick Answer E263 is calcium acetate, the calcium salt of acetic acid (vinegar)—a compound that provides…

What is E353? Complete guide to understanding E353 (Metatartaric Acid) in your food The Quick Answer E353 is metatartaric acid, a polymeric lactone derived from tartaric acid (a naturally occurring…

What is E354? Complete guide to understanding E354 (Calcium Tartrate) in your food The Quick Answer E354 is calcium tartrate, the calcium salt of tartaric acid—a naturally occurring organic acid…

What is E363? Complete guide to understanding E363 (Succinic Acid) in your food The Quick Answer E363 is succinic acid, a naturally occurring organic acid that plays a crucial role…

What is E380? Complete guide to understanding E380 (Triammonium Citrate/Ammonium Citrate) in your food The Quick Answer E380 is triammonium citrate, the three-times ammonia-neutralized salt of citric acid—also called ammonium…

What is E552? Complete guide to understanding E552 (Calcium Silicate) in your food The Quick Answer E552 is calcium silicate, a white crystalline powder created synthetically from calcium and silicon…

What is E570? Complete guide to understanding E570 (Fatty Acids/Stearic Acid) in your food The Quick Answer E570 is a mixture of fatty acids, most commonly stearic acid (also called…