E300 - Ascorbic acid
By the Daat team · Updated October 30, 2026
E300 is ascorbic acid - vitamin C. In food it is mostly used to stop browning.
Yes, it is simply vitamin C. It keeps juices and cut fruit from browning, helps cured meat hold its colour, and strengthens bread dough. In our catalog it is especially common in bread and meat products.
An E-number does not mean something is artificial or harmful. It is just a numbering system, and vitamin C is the best example.
In Daat’s catalog we found E300 in 879 of 16,831 products (5.2%), mostly in bread and meat products.
E300 at a glance
| Fact | Value |
|---|---|
| Name | Ascorbic acid |
| Also listed as | vitamin C |
| Function | Antioxidant |
| Origin | Plant, mineral or synthetic |
| Vegan / vegetarian | Yes / Yes |
Is E300 vegan?
Yes. E300 has no animal source, so it suits both vegans and vegetarians.