YenzoWhat is E405 (propylene glycol alginate)?
Appendix 1 of Circular 24/2019/TT-BYT lists propylene glycol alginate (INS 405) with the functions bulking agent, carrier, emulsifier, foaming agent, gelling agent, thickener and stabilizer.
E405Propane-1,2-diol alginate
E405 is propylene glycol alginate (propane-1,2-diol alginate), an ester of alginic acid with propylene glycol. Circular 24/2019/TT-BYT lists it with many functions, among them thickener, stabilizer and emulsifier.
Did you know? EFSA notes that propane-1,2-diol alginate (E 405) is also known as hydroxypropyl alginate, 1,2-propane diol ester of alginic acid and propylene glycol alginate.
- Code
- E405 · INS 405
- Group
- Thickener, Stabilizer, Emulsifier
In Vietnam✓ PermittedOn the list of permitted additives — Circular 24/2019, Appendix 1
Risk level on the Yenzo Scalelow?Based on the Open Food Facts additives taxonomy
How E405 appears on labels
IngredientsIllustrative example
Wheat flour, vegetable oil, salt, sugar, thickener (405), dried onion and garlic, pepper, natural colour (160a).
thickener (405)thickener 405E405INS 405On Vietnamese labels: Propylen glycol alginat
Propane-1,2-diol alginate in food
Questions about propane-1,2-diol alginate
Is propane-1,2-diol alginate harmful?
In 2018, re-evaluating propane-1,2-diol alginate (E 405), EFSA allocated an ADI of 55 mg/kg body weight per day. EFSA estimated that intake from this additive did not exceed the ADI in any population group, and concluded there is no safety concern at the authorised use levels.
Is propylene glycol alginate permitted in Vietnam?
Yes. Propylene glycol alginate (INS 405) is listed in Appendix 1 of Circular 24/2019/TT-BYT, the list of additives permitted in food.
Can children and pregnant women have INS 405?
In the EU, Annex II (Part E, points 13.1.5.1 and 13.1.5.2) of Regulation (EC) No 1333/2008 allows E405 at a maximum level of 200 in foods for special medical purposes for infants and young children, on condition: from 12 months onwards in specialised diets for young children who have cow's milk intolerance or inborn errors of metabolism. This part of the Regulation has no separate provision for pregnant women. If you have a particular health condition, ask a doctor.
Other thickeners
E402Potassium alginatevery lowE403Ammonium alginatevery lowE404Calcium alginatevery lowE406Agarvery lowE407CarrageenanmoderateE407aProcessed eucheuma seaweedmoderate
See all thickeners →Found in these products
Mì Paldo Koreno vị nguyên bản (original ramen)Paldo · instant noodles
Mì Paldo Volcano vị gà (chicken ramen)Paldo · instant noodles
Mì xào Koreno Volcano vị gà (chicken stir-fried noodles)Paldo · instant noodlesUpdated 21 October 2026
Sources (4)
- Open Food Facts additives taxonomy (Yenzo's table cites no EFSA opinion for this code). Open Food Facts additives taxonomy, https://github.com/openfoodfacts/openfoodfacts-server/blob/main/taxonomies/additives.txt (entry en:e405)
- Thông tư 24/2019/TT-BYT (văn bản hợp nhất 09/VBHN-BYT), Phụ lục 1
- EFSA Journal (2018). Re-evaluation of propane-1,2-diol alginate (E 405) as a food additive
- Regulation (EC) No 1333/2008 on food additives (consolidated text of 18.08.2026): Annex II, Part E, category 13.1.5 (foods for special medical purposes for infants and young children)