penten-3-one

Found in 1 ingredient across the CompKitchen flavor graph.

Look up another compound — search by name, CAS number, PubChem CID, or FEMA #.

Properties

Odor description: woody, spicy, sweet, bready, citrus
Odor threshold: 23.0 ppb
CAS number: 02-49-3

Regulatory · United States

FEMA GRAS — Generally Recognized As Safe for flavoring use

? Partial match

FEMA number: 2673
GRAS publication: GRAS 3
FEMA primary name: 1-(p-METHOXYPHENYL)-1-PENTEN-3-ONE

Use-level matrix not extracted for this substance — check the source publication for current ppm guidance.

Source: FEMA GRAS publications 1-33. 4 related FEMA records for this name — verify the exact substance for regulatory use.

Where you'd actually smell it

Odor Activity Value = measured concentration ÷ odor threshold (23.0 ppb). OAV ≥ 1 = perceptible.

Food	Concentration (ppb)	OAV	Source
extra virgin olive oil	8000.0	348 ⚡	—
turkey	553.0	24.0 ⚡	—
shrimp	141.0	6.13	—

Concentrations from PubMed Central Open Access papers (free literature corpus, MIT-style licensed). Copper = OAV ≥ 10 (strongly perceptible). Green = OAV ≥ 1 (perceptible).

Thresholds in published tables

Numbers printed in open-access papers, grouped by the medium the table states. Median and full range of the values; “agree” means two or more papers whose middle 80% of values sit within 100×. Not reviewed.

Medium	Median	Range	Values	Papers	Papers agree?
air	11.97 µg/L air	0.94–23	2	2	yes
food matrix	1.1 ppb	0.73–700	12	10	no (2.9 decades)
unstated	1 ppb	0.9–7.81e+05	30	20	yes
water	23 ppb	0.94–23	14	13	yes

Found in

Measured impact first, then profile share

Every ingredient known to contain penten-3-one. 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 penten-3-one in it. Full concentrations are in the OAV table above.

date

Fruit

421 cmpds

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