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Stabiliser

E445 (glycerol esters of wood rosins): what it is, its sources, vegan or not

Q: What other names does E445 have on a label?

On a label, E445 can also appear as “INS 445”, “Stabiliser (445)”, “Stabiliser (E445)”, “Glycerol esters of wood rosins” or “Ester gum”. Any of these on a pack means E445. The checker reads them all.

E445 can come from pine wood rosin, plant oils or animal fat, and the pack rarely says which. Vegetarian and vegan profiles get Heads up: source not stated.

Decode another E-number Which E-numbers come from animals?Add vegan to my profile

By Bravoora teamUpdated 13 October 2026Sources checked 20 September 20264 sourcesHow we check

Heads up

for a vegan profile

E445=source not stated

What is E445?

E445 (glycerol esters of wood rosins) is a stabiliser, an additive that keeps the texture and the mix of a food the same over time.

What is E445 made from?

Made from pine wood rosin and glycerol (E422); the glycerol can come from plant oils or animal fat.

Pine wood rosin
Plant oils
Animal fat

Is E445 vegan?

Heads up. Source not stated. E445 can come from pine wood rosin, plant oils or animal fat. The pack does not have to say which, so the app says Heads up instead of guessing.

Bravoora is a calorie tracker and ingredient checker app. Scan a pack, a supplement or a skincare label and it answers for each person on your plan.

What the app says to each profile, and the reason it shows.

VeganHeads upSource not stated. E445 can come from pine wood rosin, plant oils or animal fat. The pack does not have to say which, so the app says Heads up instead of guessing.

VegetarianHeads upSource not stated. E445 can come from pine wood rosin, plant oils or animal fat. One of those comes from a slaughtered animal, and the pack does not have to say which.

What other names does E445 have on a label?

Any of these on a pack means E445. The checker reads them all.

E445E 445E-445INS 445Stabiliser (445)Stabiliser (E445)Glycerol esters of wood rosinsEster gumGlycerol ester of wood rosin

What would change the answer for E445?

A pack that says “from plant oils” gives Fits you; one that says “from animal fat” gives Not for you. A list that is cut off or unreadable gets Needs one more scan.