日本語
Food additive databaseprocessing agentChecked 2026-10-02

Dipotassium L-Tartrate (Dipotassium d -Tartrate) L－酒石酸カリウム（別名d－酒石酸カリウム）

Designated additivePermitted in the EU (E336(ii))EFSA ADI 240mg per kg body weight per day
Purpose
processing agent
On the label
“酒石酸カリウム” (potassium tartrate), “酒石酸K” (potassium tartrate)
Name in the List of Designated Additives
L－酒石酸カリウム（別名d－酒石酸カリウム） (No. 208)

In Japan

  • The potassium salt of L-tartaric acid. Under the standards for use, it may be used only in wine and in grape juice used to make wine.
  • When written by substance name, the simplified names are “酒石酸カリウム” (potassium tartrate) and “酒石酸K” (potassium tartrate).

Japan's standards for use

  • Only for grape juice used to make wine, and wine

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 E336(ii).
  • In its 2020 evaluation, EFSA (the European Food Safety Authority) set an ADI (acceptable daily intake) of 240mg per kg of body weight per day (a group ADI, for the total of related substances) (EFSA FAF).

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 processing agent

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