YenzoWhat is E427 (cassia gum)?
Appendix 1 of Circular 24/2019/TT-BYT lists cassia gum (INS 427) with the functions emulsifier, gelling agent, stabilizer and thickener.
E427Cassia gum
E427 is cassia gum. Circular 24/2019/TT-BYT lists it as an emulsifier, gelling agent, stabilizer and thickener.
- Code
- E427 · INS 427
- Group
- Thickener, Gelling agent, 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 E427 appears on labels
IngredientsIllustrative example
Wheat flour, vegetable oil, salt, sugar, thickener (427), dried onion and garlic, pepper, natural colour (160a).
thickener (427)thickener 427E427INS 427On Vietnamese labels: Gôm cassia
Questions about cassia gum
Is cassia gum harmful?
In 2009 JECFA recorded the ADI of cassia gum as "not specified" (no numerical ADI is needed) when used in the applications specified and in accordance with Good Manufacturing Practice. This is a JECFA evaluation, not an EFSA one.
Is INS 427 permitted in Vietnam?
Yes. Cassia gum (INS 427) is listed in Appendix 1 of Circular 24/2019/TT-BYT, the list of additives permitted in food.
Other thickeners
E418Gellan gumlowE420Sorbitolvery lowE422Glycerolvery lowE425KonjaclowE426Soybean hemicelluloselowE428Gelatinevery low
See all thickeners →Updated 23 October 2026
Sources (3)
- 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:e427)
- Thông tư 24/2019/TT-BYT (văn bản hợp nhất 09/VBHN-BYT), Phụ lục 1
- WHO JECFA database: Cassia gum (INS 427)