日本語
Food additive databasenutrient (fortification)Checked 2026-10-02

Thiamine Dicetylsulfate (Vitamin B1 Dicetylsufate) チアミンセチル硫酸塩（別名ビタミンB1セチル硫酸塩）

Designated additiveNot on the EU additive list
Purpose
nutrient (fortification)
On the label
“チアミン” (thiamine), “ビタミンB1” (vitamin B1), “V.B1” (V.B1), “チアミンセチル硫酸塩” (thiamine dicetylsulfate)
Name in the List of Designated Additives
チアミンセチル硫酸塩（別名ビタミンB1セチル硫酸塩） (No. 257)

In Japan

  • The dicetylsulfate of vitamin B1 (thiamine). It is included among the additives (vitamins) that may be intended for nutritional fortification. No standards for use have been set.
  • The simplified names are “チアミン” (thiamine), “ビタミンB1” (vitamin B1), and “V.B1” (V.B1), the same as for other thiamine salts.
  • When used for nutritional fortification, it can be omitted from the ingredient list (except for foods for special dietary uses and foods with function claims).

Japan's standards for use

There are no standards for use that limit which foods or how much (the general standards for all additives still apply).

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

In the EU

  • It is not on the EU list of food additives (Regulation (EC) No 1333/2008, Annex II), so it cannot be used as a food additive in the EU.
  • The forms of vitamin B1 listed in Annex II of Regulation (EC) No 1925/2006 (the vitamin forms that may be added to foods, as amended by Regulation (EC) No 1170/2009) are the hydrochloride and the mononitrate. This salt is not included.

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 nutrient (fortification)

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