YenzoWhat is E434 (polysorbate 40)?
Appendix 1 of Circular 24/2019/TT-BYT lists polyoxyethylene (20) sorbitan monopalmitate (INS 434) with the functions emulsifier.
E434Polysorbate 40
E434 is polysorbate 40, listed in Circular 24/2019/TT-BYT as polyoxyethylene (20) sorbitan monopalmitate, with the function emulsifier.
- Code
- E434 · INS 434
- Group
- Emulsifier
In Vietnam✓ PermittedOn the list of permitted additives — Circular 24/2019, Appendix 1
Risk level on the Yenzo Scalelow?Based on EFSA's scientific assessment, 2015
How much a day stays within the ADI?EFSA 2015: 25 mg/kg bw/day
about 1.6 g a daythat is 1,625 mg
How E434 appears on labels
IngredientsIllustrative example
Wheat flour, vegetable oil, salt, sugar, emulsifier (434), dried onion and garlic, pepper, natural colour (160a).
emulsifier (434)emulsifier 434E434INS 434On Vietnamese labels: Polyoxyethylen (20) sorbitan monopalmitat
Questions about polysorbate 40
Is polysorbate 40 harmful?
In its 2015 re-evaluation of polysorbates 20, 40, 60, 65 and 80 (E432–E436), EFSA set a group acceptable daily intake (ADI) of 25 mg/kg body weight per day. EFSA also noted that the estimated exposure of toddlers at the highest level was very close to this ADI.
Is INS 434 permitted in Vietnam?
Yes. Polyoxyethylene (20) sorbitan monopalmitate (INS 434) is listed in Appendix 1 of Circular 24/2019/TT-BYT, the list of additives permitted in food.
Other emulsifiers
E427Cassia gumlowE432Polysorbate 20lowE433Polysorbate 80lowE435Polysorbate 60lowE436Polysorbate 65lowE440Pectinsvery low
See all emulsifiers →Updated 21 October 2026
Sources (2)
- Scientific Opinion on the re‐evaluation of polyoxyethylene sorbitan monolaurate (E 432), polyoxyethylene sorbitan monooleate (E 433), polyoxyethylene sorbitan monopalmitate (E 434), polyoxyethylene sorbitan monostearate (E 435) and polyoxyethylene sorbitan tristearate (E 436) as food additives
- Thông tư 24/2019/TT-BYT (văn bản hợp nhất 09/VBHN-BYT), Phụ lục 1