YenzoWhat is E1401 (acid-treated starch)?
Circular 24/2019/TT-BYT (Appendix 1) lists INS 1401 with the functions: emulsifier, stabilizer, thickener.
E1401Acid-treated starch
E1401 is acid-treated starch. In Appendix 1 of Circular 24/2019/TT-BYT it is listed with the functions: emulsifier, stabilizer, thickener.
- Code
- E1401 · INS 1401
- Group
- Emulsifier, Stabilizer, Thickener
In Vietnam✓ PermittedOn the list of permitted additives — Circular 24/2019, Appendix 1
Risk level on the Yenzo Scalevery low?Based on the Open Food Facts additives taxonomy
How E1401 appears on labels
IngredientsIllustrative example
Wheat flour, vegetable oil, salt, sugar, emulsifier (1401), dried onion and garlic, pepper, natural colour (160a).
emulsifier (1401)emulsifier 1401E1401INS 1401On Vietnamese labels: Tinh bột đã được xử lý bằng acid
Questions about acid-treated starch
Is acid-treated starch harmful?
JECFA (the joint FAO/WHO expert committee on food additives) evaluated the group of modified starches, which includes INS 1401 (acid-treated starch), and recorded the ADI as “not specified”, meaning no numerical ADI is needed (evaluated in 1982; in 2021 JECFA revised only the specifications).
Is acid-treated starch permitted in Vietnam?
Yes. Acid-treated starch (INS 1401) is listed in Appendix 1 of Circular 24/2019/TT-BYT, the list of additives permitted in food.
Other emulsifiers
E1400Dextrinvery lowE1402Alkaline treated starchvery lowE1403Bleached starchvery lowE1404Oxidised starchvery lowE1405Enzyme-treated starchvery lowE1410Monostarch phosphatevery low
See all emulsifiers →Updated 23 October 2026
Sources (3)
- Open Food Facts additives taxonomy (Yenzo's table cites no EFSA opinion for this code). Codex CXG 36-1989, Class Names and the International Numbering System (INS) (INS 1401); JECFA ADI not specified; Open Food Facts additives taxonomy, https://github.com/openfoodfacts/openfoodfacts-server/blob/main/taxonomies/additives.txt (entry en:e1401)
- Thông tư 24/2019/TT-BYT (văn bản hợp nhất 09/VBHN-BYT), Phụ lục 1
- WHO JECFA database: Modified starches (INS 1400, 1401, 1403, 1405 and others)