YenzoWhat is E530 (magnesium oxide)?
According to Appendix 1 of Circular 24/2019/TT-BYT, magnesium oxide (INS 530) has the function anticaking agent and acidity regulator.
E530Magnesium oxide
E530 is magnesium oxide. In Appendix 1 of Circular 24/2019/TT-BYT it has the function anticaking agent and acidity regulator.
- Code
- E530 · INS 530
In Vietnam✓ PermittedOn the list of permitted additives — Circular 24/2019, Appendix 1
Risk level on the Yenzo Scalevery low?Based on the Open Food Facts additives taxonomy
How E530 appears on labels
IngredientsIllustrative example
Wheat flour, vegetable oil, salt, sugar, anticaking agent (530), dried onion and garlic, pepper, natural colour (160a).
anticaking agent (530)anticaking agent 530E530INS 530On Vietnamese labels: Oxyd magnesi
Questions about magnesium oxide
Is magnesium oxide harmful?
The FAO/WHO expert committee JECFA last evaluated magnesium oxide in 1965 and recorded the ADI as “not limited”. This is a JECFA conclusion, not an EFSA one; the JECFA summary gives no intake figures.
Is E530 permitted in Vietnam?
Yes. Magnesium oxide (INS 530) is listed in Appendix 1 of Circular 24/2019/TT-BYT, the list of additives permitted in food.
Other anticaking agents
E535Sodium ferrocyanidelowE536Potassium ferrocyanidelowE538Calcium ferrocyanidelowE551Silicon dioxidelowE552Calcium silicatelowE553Magnesium silicates or talc (type not printed)low
See all anticaking agents →Updated 21 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:e530)
- Thông tư 24/2019/TT-BYT (văn bản hợp nhất 09/VBHN-BYT), Phụ lục 1
- JECFA (FAO/WHO), Summary of Evaluations: Magnesium oxide (INS 530)