YenzoWhat is E311 (octyl gallate)?
It is octyl gallate, the octyl ester of gallic acid. In the INS system, code 311 belongs to the antioxidants. Octyl gallate is not on the permitted list of Circular 24/2019/TT-BYT.
E311Octyl gallate
E311 is octyl gallate, the octyl ester of gallic acid. In the INS system it is classed as an antioxidant, but octyl gallate is not on the permitted-additive list of Circular 24/2019/TT-BYT.
- Code
- E311 · INS 311
- Group
- Antioxidant
In Vietnam✕ Not permitted in VietnamNot on Vietnam's list of permitted additives (Circular 24/2019); it may be used only in a product whose declaration is registered with the Vietnam Food Administration
Risk level on the Yenzo ScalehighBecause it is not permitted in Vietnam; by the scientific evaluations alone: moderate
How E311 appears on labels
IngredientsIllustrative example
Wheat flour, vegetable oil, salt, sugar, antioxidant (311), dried onion and garlic, pepper, natural colour (160a).
antioxidant (311)antioxidant 311E311INS 311
Questions about octyl gallate
Is INS 311 permitted in Vietnam?
No. Octyl gallate (INS 311) is not listed in Appendix 1 of Circular 24/2019/TT-BYT (consolidated text 09/VBHN-BYT), the list of additives permitted in food, nor in Appendix 2B.
Other antioxidants
E307Alpha-tocopherolvery lowE308Gamma-tocopherolvery lowE309Delta-tocopherolvery lowE310Propyl gallatelowE312Dodecyl gallatehighE315Erythorbic acidvery low
See all antioxidants →Updated 21 October 2026
Sources (2)
- Regulator's decision. Regulation (EC) No 1333/2008 on food additives, Annex II (Union list of food additives approved for use in foods), https://eur-lex.europa.eu/eli/reg/2008/1333/oj: removed by Regulation (EU) 2018/1481 for lack of toxicological data.
- Thông tư 24/2019/TT-BYT (văn bản hợp nhất 09/VBHN-BYT), Phụ lục 1