What is E405?
E405 is Propane-1,2-diol Alginate — a modified seaweed extract, used as a thickeners & gelling agent to help thicken foods and create gels for the right texture.
What is E405 (Propane-1,2-diol Alginate)?
E405 is the E-number for propane-1,2-diol alginate, one of the thickeners & gelling agents group of food additives (E400–E499). Additives in this group thicken foods and create gels for the right texture. A modified seaweed extract. Like every E-number, E405 has been evaluated and authorised for use in food in the European Union — the 'E' literally stands for Europe, and a number is only granted after a safety assessment. That authorisation doesn't mean every additive suits every diet or that all concerns are settled, which is why we break down the safety, vegan, vegetarian and halal status of E405 in detail below.
Where is E405 found?
E405 is typically used in sauces, soups, desserts, jams, plant milks and dairy alternatives. You'll find it listed in the ingredients either by its E-number (E405) or by its full name, propane-1,2-diol alginate. Common foods that may contain E405 include:
- Sauces
- Soups
- Desserts
- Jams
- Plant milks and dairy alternatives
Full guide: foods containing E405 and how to spot it on labels →
Is E405 safe?
E405 is considered safe. It is authorised across the EU, UK and US, and safety evaluations by the European Food Safety Authority (EFSA) have not identified health concerns at the levels used in food. For most people there is no reason to avoid E405.
EFSA status: Authorised in the EU — no safety concern at current levels of use
Source: European Food Safety Authority
Is E405 vegan?
E405 is vegan. A modified seaweed extract, with no animal involvement in standard production.
Full vegan status guide for E405 →Is E405 halal?
E405 is halal. A modified seaweed extract, with no haram source involved.
Full halal status guide for E405 →Frequently Asked Questions
What is E405 in food?
E405 is Propane-1,2-diol Alginate — a modified seaweed extract, used as a thickeners & gelling agent to help thicken foods and create gels for the right texture.
Is E405 safe to eat?
Yes. E405 is authorised in the EU, UK and US, and EFSA evaluations found no health concern at normal food levels.
Is E405 vegan?
E405 is vegan. A modified seaweed extract, with no animal involvement in standard production.
Is E405 halal?
E405 is halal. A modified seaweed extract, with no haram source involved.
Also check: is this ingredient safe for cats? · safe for dogs? · check the calorie content of foods containing this
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Additive data sourced from Open Food Facts (ODbL licence) and the European Food Safety Authority (EFSA).