YenzoWhat is E1421 (starch acetate esterified with vinyl acetate)?
Circular 24/2019/TT-BYT (Appendix 1) lists INS 1421 with the functions: flour treatment agent.
E1421Starch acetate esterified with vinyl acetate
E1421 is starch acetate esterified with vinyl acetate. In Appendix 1 of Circular 24/2019/TT-BYT it is listed with the functions: flour treatment agent.
- Code
- E1421 · INS 1421
In Vietnam✓ PermittedOn the list of permitted additives — Circular 24/2019, Appendix 1
Risk level on the Yenzo Scalevery lowBased on the Open Food Facts additives taxonomy
How E1421 appears on labels
IngredientsIllustrative example
Wheat flour, vegetable oil, salt, sugar, flour treatment agent (1421), dried onion and garlic, pepper, natural colour (160a).
flour treatment agent (1421)flour treatment agent 1421E1421INS 1421On Vietnamese labels: Starch acetate este hóa với vinyl acetate
Starch acetate esterified with vinyl acetate in food
Questions about starch acetate esterified with vinyl acetate
Is E1421 permitted in Vietnam?
Yes. Starch acetate esterified with vinyl acetate (INS 1421) is listed in Appendix 1 of Circular 24/2019/TT-BYT, the list of additives permitted in food.
Other flour treatment agents
E920L-Cysteinevery lowE924Bromates (flour treatment agent)highE924aPotassium bromatehighE927bCarbamide (urea)lowE1100Amylasevery lowE1101Protease, invertase and papainvery low
See all flour treatment agents →Found in these products
Updated 21 October 2026
Sources (2)
- 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 1421); JECFA ADI not specified; Open Food Facts additives taxonomy, https://github.com/openfoodfacts/openfoodfacts-server/blob/main/taxonomies/additives.txt (entry en:e1421)
- Thông tư 24/2019/TT-BYT (văn bản hợp nhất 09/VBHN-BYT), Phụ lục 2B