Food additive databaseseasoning, nutrient (fortification)Checked 2026-10-02
Monosodium L-Aspartate L－アスパラギン酸ナトリウム
Designated additiveNot on the EU additive list
- Purpose
- seasoning, nutrient (fortification)
- On the label
- “調味料（アミノ酸）” (seasoning (amino acids)), “調味料（アミノ酸等）” (seasoning (amino acids, etc.)), “アスパラギン酸Na” (sodium aspartate), “アスパラギン酸ナトリウム” (sodium aspartate)
- Name in the List of Designated Additives
- L－アスパラギン酸ナトリウム (No. 14)
In Japan
- The sodium salt of the amino acid L-aspartic acid. No standards for use are set.
- It falls within the group name for seasonings (amino acids), and when used to adjust flavor it can be written together as “調味料（アミノ酸）” (seasoning (amino acids)) and similar. Its short names are “アスパラギン酸Na” and “アスパラギン酸ナトリウム”.
- It is also on the list of “additives considered to be used for nutritional fortification” (amino acids).
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.
When it is labeled under a shared name
Monosodium L-Aspartate may be declared on the label in the same way as “調味料（アミノ酸等）”. See Seasoning (amino acids etc.) — e.g. MSG for details.
Sources
- List of Designated Additives — Japan Food Chemical Research Foundation (Japanese)
- Standards for use and storage of each additive — Japan Food Chemical Research Foundation (Japanese)
- EU food additive database (Japanese translation) — MAFF (Japanese)
- Regulation (EC) No 1333/2008 on food additives — EUR-Lex
- 消費者庁「食品表示基準について」別添 添加物関係（簡略名・用途名併記・一括名・栄養強化の範囲） (Japanese)
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 seasoning, nutrient (fortification)
- DL-Alanine
- L-Arginine L-Glutamate
- L-Isoleucine
- L-Glutamic Acid
- L-Theanine
- L-Valine
- L-Histidine Monohydrochloride
- L-Phenylalanine
- L-Lysine L-Aspartate
- L-Lysine Monohydrochloride
- L-Lysine L-Glutamate
- L-Asparagine
- L-Alanine
- L-Arginine
- L-Glutamine
- L-Cystine
- L-Serine
- L-Tyrosine
- L-Histidine
- L-Hydroxyproline
- L-Proline
- L-Lysine
- L-Leucine