E473 can be vegan: Sisterna documents sucrose esters made from sugar and palm-oil fatty acids and suitable for vegan foods. That supplier statement does not establish the source of E473 in every product.
Check your own packetUse a scan to locate E473, then decide whether the source evidence is sufficient.
- Look for E473 or sucrose esters of fatty acids on the complete ingredient panel.
- Check the whole food for milk, egg, gelatin or other ingredients unrelated to the emulsifier.
- If there is no clear vegan claim, ask the manufacturer whether its specific E473 grade and processing aids are animal-free.
Free to download; optional Premium. Full ingredient details or explanations may require an upgrade. Features differ on iPhone and Android; Android photo recognition supports printed Latin-script labels. A result is not certification or an allergy-safety guarantee.
What E473 means on a label
E473 is the code for sucrose esters of fatty acids, a group of emulsifiers. The name identifies the ingredient type; it does not name the supplier that made it or the feedstock used for a particular batch. The UK government's additive list confirms the code and name. An additive listing is not a vegan certification.
The word “fatty” is not evidence of an animal source. Equally, the word “sucrose” is not a certificate for the entire manufacturing process. Product-specific evidence is more useful than guessing from either part of the name.
A supplier documents a vegan-suitable source
Sisterna's food FAQ, checked on November 1, 2026, describes its sucrose esters as made from cane sugar and fatty acids from palm oil, and suitable for vegan food products. Its origin and quality information also describes vegetable raw materials.
Scroll the table sideways to read every column.
| Evidence | Supported conclusion | Boundary |
|---|---|---|
| Sisterna's named food-grade sucrose esters | Plant-derived, vegan-suitable E473 grades exist. | This does not identify the grade in an unrelated finished food. |
| “Emulsifier: E473” on a packet | The food contains that additive type. | The code alone does not establish a supplier or finished-product vegan status. |
| A current vegan statement covering the exact food | Relevant product-level evidence. | Check the market, recipe and scope of the statement. |
We have not established that every E473 manufacturer uses the same feedstock. The correct conclusion is that E473 can be suitable, not that every food containing it is automatically verified vegan.
A real food-list example: chewing gum in Italy
Trenitalia's February 2026 onboard product information lists E473 among the emulsifiers for Vigorsol Air Action chewing gum. This is a dated food-service listing from the operator, not a current supplier certificate from the gum manufacturer. It demonstrates how the code appears in a real product list; it does not prove that this gum uses Sisterna ingredients or is vegan.
That distinction helps when reading a short label: recognising E473 resolves the ingredient's identity, while source confirmation remains a separate step. Gum may also have other ingredients to consider, covered in our chewing gum guide.
The question to send a manufacturer
Include the product name, country, barcode and, if available, batch details. Ask: “Is the E473 in this product made entirely from plant-derived materials, and are any animal-derived ingredients or processing aids used in the finished food?” A reply naming the actual product is more useful than a general explanation of sucrose esters.
Keep the whole recipe in view. A dairy dessert does not become vegan because its emulsifier is plant-derived. If a source is unresolved, an uncertain result is more accurate than declaring it animal-derived or inventing a vegan confirmation.
Do not confuse E473 with neighbouring codes
E471, E472 and E476 name different emulsifiers. A manufacturer response about one is not evidence for another. Use the E-number hub to find the exact entry.
Palm sourcing can matter to a shopper's environmental preferences, but it is a separate question from whether an ingredient is animal-derived. If sustainability is also part of your choice, ask separately about the product's palm-sourcing evidence.
Editorial notes
Sources were checked on . Tables identify the market and product reviewed; they do not certify other sizes, countries or future recipes. The packet and a current manufacturer response take priority over an older database record.
Research, writing and the source/readability reread were AI-assisted. No independent human review or hands-on scan test is claimed. VeganCheckr publishes this site; it is not an independent testing organisation. Product names belong to their owners; no endorsement is implied. See our editorial method and correction contact.
Check the label on your own product
VeganCheckr scans barcodes and ingredient labels, flags hidden animal ingredients and E-numbers, and shows you the evidence. Free to download on the App Store and Google Play. Optional Premium features vary by platform.
Scan with your iPhone camera