YenzoWhat is E631 (disodium inosinate)?
E631 is disodium inosinate. In Appendix 1 of Circular 24/2019/TT-BYT the functions listed for it are flavour enhancer.
E631Disodium inosinate
E631 is disodium inosinate (dinatri inosinat). In Appendix 1 of Circular 24/2019/TT-BYT its function is flavour enhancer.
- Code
- E631 · INS 631
- Group
- Flavour enhancer
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 E631 appears on labels
IngredientsIllustrative example
Wheat flour, vegetable oil, salt, sugar, flavour enhancer (631), dried onion and garlic, pepper, natural colour (160a).
flavour enhancer (631)flavour enhancer 631E631INS 631dinatri inosinatdisodium inosinateOn Vietnamese labels: Dinatri 5'-inosinat
Disodium inosinate in food
Fermented vegetables
Gluten-free or protein-reduced pasta
Fresh meat (surface glazing, coating, decoration only)
Processed fish and seafood (certain product types)Salt substitutes
Flavoured coffee, tea, herbal drinksQuestions about disodium inosinate
Is disodium inosinate harmful?
The JECFA database (the FAO/WHO expert committee) records an ADI of “not specified” (no numerical ADI is needed) for disodium 5'-inosinate, evaluated in 1993.
Is INS 631 permitted in Vietnam?
Yes. Disodium inosinate (INS 631) is listed in Appendix 1 of Circular 24/2019/TT-BYT, the list of additives permitted in food, with the function flavour enhancer.
Other flavour enhancers
E628Dipotassium guanylatelowE629Calcium guanylatelowE630Inosinic acidlowE632Dipotassium inosinatelowE633Calcium inosinatelowE634Calcium 5'-ribonucleotideslow
See all flavour enhancers →Found in these products
Mì Hảo Hảo sa tế hành tím (chilli crispy onion instant noodles)Acecook · instant noodles
Đậu Hà Lan JOJO vị bò nướng cay (spicy grilled beef green peas)JoJo · snacks
Mì Hảo Hảo tôm chua cay (hot & sour shrimp instant noodles)Acecook · instant noodles
Miến Acecook Good vị thịt heo băm (minced pork glass noodles)Acecook · instant noodles
Khoai tây chiên Lay's Wavy vị phô mai cheddar (cheddar cheese)Lay's · snacks
Mì Paldo Koreno vị nguyên bản (original ramen)Paldo · instant noodles
Mì Paldo Volcano vị gà (chicken ramen)Paldo · instant noodles
Mì xào Koreno Volcano vị gà (chicken stir-fried noodles)Paldo · instant noodles
Snack Poca vị bò lúc lắc (shaking beef snack)Poca · snacks
Khoai tây chiên Pringles vị kem chua hành (sour cream & onion)Pringles · snacks
Mì ramen Vifon vị nước tương (soy sauce ramen)Vifon · instant noodlesMì ramen HO-YA vị gà (golden chicken ramen)HO-YA · instant noodlesUpdated 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:e631)
- Thông tư 24/2019/TT-BYT (văn bản hợp nhất 09/VBHN-BYT), Phụ lục 2A: mức sử dụng tối đa phụ gia trong thực phẩm
- JECFA (FAO/WHO) evaluation database: Disodium 5'-inosinate, INS 631