E 334 Tartaric acid (L(+)-)

What is E 334?

E 334 is the E number of Tartaric acid (L(+)-). Fruit acid obtained mainly as a by-product of winemaking. It acidifies sweets, drinks and baking powder.

What is E 334 used for?

E 334 belongs to the group "Other additives" and is used as acid, acidity regulator, antioxidant.

• Acid: Acids increase acidity and give a sour taste.
• Acidity regulator: Acidity regulators alter or control the acidity (pH) of a food.
• Antioxidant: Antioxidants protect against oxidation, which for example turns fats rancid or changes colours.

Which foods may contain E 334?

According to the European Commission's database, E 334 may be used in 4 food categories and subcategories, each only in specific products and usually with maximum levels. The categories come from these areas:

• Fruit and vegetables
• Confectionery
• Sugars, syrups, honey and table-top sweeteners
• Foods for specific groups (infants, young children, special medical purposes)

Is E 334 vegan?

Usually yes: the substance is normally made from plant, mineral or synthetic raw materials or with microorganisms. In individual cases, only the manufacturer or a vegan label can give certainty.

Is E 334 linked to genetic engineering?

No typical link to genetic engineering is known for this substance: it is not usually obtained from plants for which GM varieties exist, nor produced by fermentation.

How does E 334 appear on the label?

In the list of ingredients, the substance appears with its function, followed by the E number or the name, for example "Acid: E 334" or "Acid: Tartaric acid-)".