E 405 Propane-1, 2-diol alginate

What is E 405?

E 405 is the E number of Propane-1, 2-diol alginate. Modified alginic acid that stabilises beer foam and thickens salad dressings, for example.

What is E 405 used for?

E 405 belongs to the group "Other additives" and is used as thickener, stabiliser, emulsifier.

• Thickener: Thickeners increase the viscosity of a food.
• Stabiliser: Stabilisers maintain the physical state of a food, such as an even mixture or colour.
• Emulsifier: Emulsifiers combine ingredients that would not otherwise mix, such as oil and water, and keep the mixture stable.

Which foods may contain E 405?

According to the European Commission's database, E 405 may be used in 21 food categories and subcategories, each only in specific products and usually with maximum levels. The categories come from these areas:

• Fats and oils and fat and oil emulsions
• Edible ices
• Fruit and vegetables
• Confectionery
• Bakery wares
• Salts, spices, soups, sauces, salads and protein products
• Foods for specific groups (infants, young children, special medical purposes)
• Beverages
• Ready-to-eat savouries and snacks
• Food supplements
• Processed foods not covered by categories 1 to 17

Is E 405 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 405 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 405 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 "Thickener: E 405" or "Thickener: Propane-1, 2-diol alginate".