YenzoWhat is E640 (glycine and its sodium salt)?
Appendix 1 of Circular 24/2019/TT-BYT lists the function of Glycine and its sodium salt (INS 640) as: flavour enhancer.
E640Glycine and its sodium salt
E640 is Glycine and its sodium salt. Appendix 1 of Circular 24/2019/TT-BYT lists its function as flavour enhancer.
- Code
- E640 · INS 640
- Group
- Flavour enhancer
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 E640 appears on labels
IngredientsIllustrative example
Wheat flour, vegetable oil, salt, sugar, flavour enhancer (640), dried onion and garlic, pepper, natural colour (160a).
flavour enhancer (640)flavour enhancer 640E640INS 640On Vietnamese labels: Glycin
Glycine and its sodium salt in food
Questions about glycine and its sodium salt
Is E640 permitted in Vietnam?
Yes. Glycine and its sodium salt (INS 640) is listed in Appendix 1 of Circular 24/2019/TT-BYT, the list of additives permitted in food.
Other flavour enhancers
E631Disodium inosinatelowE632Dipotassium inosinatelowE633Calcium inosinatelowE634Calcium 5'-ribonucleotideslowE635Disodium 5'-ribonucleotideslowE639DL-Alaninevery low
See all flavour enhancers →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:e640)
- Thông tư 24/2019/TT-BYT (văn bản hợp nhất 09/VBHN-BYT), Phụ lục 2B