Rue
Rue · 3-[[(3-Carboxyphenyl)methyl-[2-(hydroxyamino)-2-oxoethyl]amino]methyl]benzoic acid · RueRue is a bitter herb permitted as a flavouring at strictly limited levels. It is one of the few culinary botanicals whose use is capped rather than open, because the plant contains compounds that are hazardous in quantity.
Where it is and isn’t permitted
| Jurisdiction | Status | Scope and limits | Citation |
|---|---|---|---|
| United States | Permitted | 21 CFR 184.1698retrieved 2026-09-07 | |
| Codex Alimentarius | Not listedDoes not appear on this jurisdiction’s permitted list. That is not the same as being prohibited. |
What it is made from
The leaves of Ruta graveolens. Handling the fresh plant in sunlight can cause skin burns, which is a property of the plant rather than of the food use.
- Vegan
- Vegetarian
- InChIKey
- KHSBLMDTVROJFV-UHFFFAOYSA-N
- PubChem
- CID 132019640
Every name it appears under
3 recorded names. A label may use any of them.
As it appears in regulation
- Rue
Other names
- Rue
Systematic names
- 3-[[(3-Carboxyphenyl)methyl-[2-(hydroxyamino)-2-oxoethyl]amino]methyl]benzoic acid
Hazard reference values
No reference value for this substance in the sources we hold.
Evidence and how bodies read it
Studies, and the differing conclusions regulators drew from them, are curated by hand rather than machine-read, and none has been written for this substance yet.
Sources for this page
- ecfr retrieved 2026-09-07
Full licence terms and publisher details on Sources. How this page is built and updated: Method.
Machine-readable:/api/v1/additives/rue.json