What is E445?

Glycerol ester of wood rosin (GEWR), also known as glyceryl abietate, gum rosin or ester gum, is an oil-soluble food additive (E number E445). The food-grade material is used in foods, beverages, and cosmetics to keep oils in suspension in water, and its name may be shortened in the ingredient list as glycerol ester of rosin. E445 sits in the E400–E499 series, which in the EU classification mainly covers thickeners, stabilisers and emulsifiers.

What is E445 used for?

E445 belongs to the emulsifiers group. Emulsifiers help water and fat mix, found in everything from chocolate to bread. Most are considered safe.

Is E445 safe?

E445 is considered safe at the levels used in food and is approved for use in the EU. “Safe” means it is approved in the EU and regarded as safe at the levels used in food.

How E445 appears on labels

On food packaging you'll find E445 either as the number “E445” or by the name “Glycerol esters of wood rosins” in the ingredient list, often after its function. Ingredients are listed in descending order by weight, so an additive near the end is present only in small amounts.

Is E445 vegan?

Yes, E445 is suitable for vegans.