Comparing E337 - Potassium sodium tartrate vs E385 - Calcium disodium ethylenediaminetetraacetate
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Popular questions
E337 sodium potassium tartrate is in what foods?
It’s used as a sequestrant and stabilizer in some beverages (e.g., soft drinks and juices), jams/jellies, sugar syrups and confectionery, and occasionally in processed fruits/vegetables or baking mixes; look for E337 on ingredient lists.
How to grow potassium sodium tartrate crystal?
Dissolve the salt in hot water to make a saturated solution, then let it cool or evaporate slowly to form crystals; larger crystals grow best from a clean seed crystal and in low humidity because Rochelle salt is deliquescent.
How to prepare potassium sodium tartrate?
It is produced by neutralizing tartaric acid with sodium and potassium bases (e.g., carbonates) and crystallizing the tetrahydrate (Rochelle salt). For food use, obtain food‑grade E337 rather than attempting home preparation.
How to prepare potassium sodium tartrate solution from sodium and potasium tartarate?
Simply dissolve sodium tartrate and potassium tartrate together in water to the desired concentration; in solution this is effectively potassium sodium tartrate, while isolating the true double salt requires crystallization from an equimolar mix.
How to prepare potassium sodium tartrate solution from sodium and potassium tartrate?
Dissolve appropriate amounts of sodium tartrate and potassium tartrate in water to reach your target strength; the mixed ions give a solution equivalent to potassium sodium tartrate, though the double salt forms only on crystallization.
Is calcium disodium edta harmful?
When used within approved limits in foods, calcium disodium EDTA (E385) is not considered harmful; regulators have set an acceptable daily intake and typical exposure is well below it. Excessive intake can bind essential minerals and may cause stomach upset, but this is unlikely from normal food use.
Is calcium disodium edta bad for you?
For most people, no—at permitted food levels it’s considered safe and helps protect flavor and color. Very high doses can chelate essential minerals, but such exposures don’t occur from ordinary foods.
Is calcium disodium edta dairy?
No—it's a synthetic additive and contains no milk or lactose.
Is calcium disodium edta vegan?
Yes—it's generally considered vegan because it is chemically synthesized and not derived from animal ingredients.
What is calcium disodium edta in food?
It’s a sequestrant/antioxidant preservative (E385) that binds trace metals like iron and copper to prevent oxidation, off-flavors, and discoloration in foods such as dressings, mayonnaise, canned vegetables, and beverages.