Sodium Erythorbate

Also listed as E316.

PreservativesCAS: 6381-77-7

This is what the ingredient is.

Sodium erythorbate is an antioxidant chemically similar to vitamin C. Used to preserve color and freshness.

Here is why it shows up on the label.

It works as an antioxidant and curing accelerator. Used in processed meats, beverages, and baked goods.

Here is what food agencies say.

The FDA has approved it as a food additive. Europe approves it as additive E316.

Here is what research has found.

Isomer of ascorbic acid with antioxidant but not vitamin C activity. Prevents browning and rancidity.

Here are a few things worth knowing.

Safe for most individuals. Does not provide vitamin C benefits despite chemical similarity.

Sources

  • FDA CFR 21
  • EFSA E316

How to read this page

We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.

v1.0Updated 9/12/2026