Food

Tartaric Acid (E 334): Application and Characteristics of The Additive

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Tartaric acid (E 334) is found in many foods. In this article we will show you what tartaric acid is used for and whether it is dangerous.

Tartaric acid is approved as a food additive under the abbreviation E 334 and occurs naturally mainly in grapes.

The properties of tartaric acid are:
sour taste
preservative effect.
Tartaric acid is made from cream of tartar. This occurs when wine or grape juice is stored for a long time. To obtain tartaric acid, cream of tartar is converted into calcium tartrate, the calcium salt of tartaric acid. By adding sulfuric acid, it becomes tartaric acid. Gypsum is produced as a by-product.

Tartaric acid (E 334) in food

chocolate
Marmalade, Jam, Jellies
canned goods, e.g. B. of fruit and vegetables
fresh and dry pasta (e.g. bread)
biscuits and rusks
honey
oil and fats
butter
milk and cream
buttermilk
mineral water and spring water
Coffee
Sugar.
You can also often find tartaric acid in the form of cream of tartar in baking soda.

Other possible uses of tartaric acid (E 334)

In the production of silk, tartaric acid ensures that the fabric is tactile, shiny and more durable.
Tartaric acid is also used to delay building materials such as gypsum or cement from setting, i.e. hardening. This extends and simplifies their use.
In combination with metals, E 334 is used, among other things, to remove rust and to treat the surface of aluminium.
In cosmetics, tartaric acid has a skin-smoothing and firming effect. The additive is also sometimes found in fruit acid peelings.

How dangerous is tartaric acid (E 334)?

Tartaric acid is considered harmless to human health. In its raw form, according to the safety data sheet, it is corrosive and can cause serious eye damage. While such contact is unlikely for non-chemists, if it does occur, gently flush your eyes with water.

If you want to buy tartaric acid as a pure substance, you will usually find it in pharmacies and drugstores.

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