日本語
Food additive databaseantioxidantChecked 2026-10-02

Erythorbic Acid (Isoascorbic Acid) エリソルビン酸（別名イソアスコルビン酸）

Designated additivePermitted in the EU (E315)EFSA ADI 6mg per kg body weight per day
Purpose
antioxidant
On the label
“酸化防止剤（エリソルビン酸）” (antioxidant (erythorbic acid)), “酸化防止剤（イソアスコルビン酸）” (antioxidant (isoascorbic acid))
Name in the List of Designated Additives
エリソルビン酸（別名イソアスコルビン酸） (No. 82)

In Japan

  • An antioxidant (also called isoascorbic acid). Under the standards for use, it may not be used for nutritional purposes in fish paste products (excluding fish surimi) and bread, and in other foods it may not be used for any purpose other than preventing oxidation.
  • Under the Food Labeling Standards, when used as an antioxidant, the purpose name is written alongside, as in “酸化防止剤（エリソルビン酸）” (antioxidant (erythorbic acid)).

Japan's standards for use

  • Fish paste products (excluding fish surimi) and bread: must not be used for nutritional purposes
  • Other foods: must not be used for any purpose other than preventing oxidation

This is a summary of the standards for use. See the source list for the exact conditions.

In the EU

  • It is on the EU list of food additives (Regulation (EC) No 1333/2008, Annex II) as E315.
  • In the EU, it may be used only in cured and similar meat products (heat-treated and non-heat-treated; 500 mg/kg) and in frozen red-skinned fish and preserved or semi-preserved fish products (1,500 mg/kg).
  • In its 2016 evaluation, EFSA (the European Food Safety Authority) set an ADI (acceptable daily intake) of 6mg per kg of body weight per day (EFSA ANS).

Sources

Checked 2026-10-02. Rules and evaluations change over time. This page is a translation of our Japanese page; if they differ, the Japanese page is the reference.

This page lists facts stated in laws and in evaluations by public bodies; it is not a safety verdict. Additives used in Japan are approved by the government, which sets the foods and amounts they can be used in. The ADI is a guide to the amount that is considered safe to take every day over a lifetime.

Other substances used as antioxidant

← Back to the food additive database