alpha-citral
green oxygenated_monoterpeneFound in 7 ingredients across the CompKitchen flavor graph.
Look up another compound — search by name, CAS number, PubChem CID, or FEMA #.
Properties
- Odor description
- green tomato note
- Odor threshold — orthonasal, in clean water
- 30.0 ppb – 32.0 ppb median 31.0 ppb · 2 published values · see all 6 with sources
- CAS number
- 5392-40-5
FEMA GRAS — Generally Recognized As Safe for flavoring use
- FEMA number
- 2303
- GRAS publication
- GRAS 3
- FEMA primary name
- CITRAL
Use-level matrix not extracted for this substance — check the source publication for current ppm guidance.
Published thresholds
6 measured values from the literature. Grouped by what was actually measured — a threshold smelled in clean water, tasted in the mouth, or measured in a real food are three different quantities and are not pooled.
Orthonasal, in clean water
30.0 ppb – 32.0 ppbThe reference measurement — smelled in water. OAV is computed against this.
| Threshold | Matrix | Source | Paper |
|---|---|---|---|
| 30.0 ppb | water_odor | Leffingwell | — |
| 32.0 ppb | water_odor | Leffingwell | — |
In a food matrix
30.0 ppb – 1735 ppbMeasured in a real food, where the matrix shifts detection — not a clean-water value.
| Threshold | Matrix | Source | Paper |
|---|---|---|---|
| 30.0 ppb | water (food: litsea pungens fruit) | Literature corpus | — |
| 100 ppb | water (food: litsea pungens fruit) | Literature corpus | — |
| 152 ppb | water (food: unknown) | Literature corpus | — |
| 1735 ppb | water (food: beer) | Literature corpus | — |
Only values we can attribute are listed. Where a compendium's licence does not permit public attribution its figures are omitted here, so every number on this page traces to a citable source.
Found in
Measured impact first, then profile shareEvery ingredient known to contain alpha-citral. Ingredients with a measured concentration come first, ranked by odour activity; the rest follow by how large a share of that ingredient's profile this molecule is. The figure beside each is how many different compounds that ingredient has in total — not the concentration of alpha-citral in it.
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