Protease
Function: Stabiliser
E1101 is the European food-additive number for Protease, a stabiliser — keeps a food's physical state uniform and stops it separating. Protease (E1101) is a stabiliser used as a food additive.
What is E1101 used for?
Protease (E1101) is a stabiliser — keeps a food's physical state uniform and stops it separating. It is added during food production for a technological purpose rather than for nutrition. See all stabilisers (E-numbers).
Is E1101 safe or restricted?
E1101 is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as “No regulatory flags” and does not make health claims. See the methodology for how regulatory levels are assigned, or the guide to how EU additives are approved, re-evaluated and banned.
Is E1101 vegan or vegetarian?
Protease (E1101) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians.
The production source can vary between manufacturers — the Forkin app shows the verified vegan and vegetarian status per product. Always read the label for allergens.
Which foods contain E1101?
E1101 appears in 609 of the 4.7 million products in Forkin's catalogue — most often in protein powder / shake, crackers and dietary supplements.
- Protein Powder / Shake241
- Crackers63
- Dietary Supplements45
- Pastry12
- Samosas & Filled Pastries9
- Multivitamin8
- Wafers8
- Chocolate Candy7
Often appears alongside
Additives most frequently found in the same ingredient lists as E1101 across the catalogue.
Counts reflect Forkin's independently enriched product catalogue and update as new products are added — they are not a market-share statistic.
Frequently asked questions about E1101
- What is E1101?
- E1101 is the E-number for Protease, a stabiliser — keeps a food's physical state uniform and stops it separating. Protease (E1101) is a stabiliser used as a food additive.
- What is E1101 used for?
- Protease (E1101) is a stabiliser — keeps a food's physical state uniform and stops it separating. Manufacturers add it during processing rather than for nutrition. The Forkin app shows which products in your scan history actually contain it.
- Which foods contain E1101?
- E1101 appears in 609 of the 4.7 million products in Forkin's catalogue — most often in protein powder / shake, crackers and dietary supplements. Scan any barcode with the Forkin app to see instantly whether a specific product contains it.
- Is E1101 vegan or vegetarian?
- Protease (E1101) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians. The Forkin app shows the verified vegan and vegetarian status per product, since the source can vary between manufacturers.
- Is E1101 safe, and is it banned anywhere?
- E1101 is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as "No regulatory flags" and does not make health claims — see the methodology page for how regulatory levels are assigned, and the Forkin app for the full profile, including acceptable daily intake (ADI) and restrictions by country.
See the full profile in Forkin
The Forkin app surfaces the full regulatory profile of E1101 — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it. See view pricing.