YenzoWhat is E150b (caustic sulphite caramel)?
It is caustic sulphite caramel (class II), a brown colour made by heating carbohydrates with sulphite compounds.
E150bCaustic sulphite caramel (caramel II)
E150b is caramel class II (caustic sulfite caramel), made by heating sugars with sulfite compounds. In food it gives a brown colour.
- Code
- E150b · INS 150b
- Group
- Colour
In Vietnam✓ PermittedOn the list of permitted additives — Circular 24/2019, Appendix 1
Risk level on the Yenzo ScalelowBased on the Open Food Facts additives taxonomy
How E150b appears on labels
IngredientsIllustrative example
Wheat flour, vegetable oil, salt, sugar, colour (150b), dried onion and garlic, pepper, natural colour (160a).
colour (150b)colour 150bE150bINS 150bOn Vietnamese labels: Caramen nhóm II (caramen sulfit)
Caustic sulphite caramel in food
Questions about caustic sulphite caramel
Is E150b permitted in Vietnam?
Yes. Caramel II – sulfite caramel (INS 150b) is listed in Appendix 1 of Circular 24/2019/TT-BYT, the list of additives permitted in food, with the function colour.
Other colours
E150Caramel colour (class not printed)lowE150aPlain caramel (caramel I)very lowE150cAmmonia caramel (caramel III)lowE150dSulphite ammonia caramel (caramel IV)lowE151Brilliant black BNlowE153Vegetable carbonvery low
See all colours →Updated 21 October 2026
Sources (2)
- 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:e150b)
- Thông tư 24/2019/TT-BYT (văn bản hợp nhất 09/VBHN-BYT), Phụ lục 2A và 2B: nhóm thực phẩm được phép dùng INS 150b