5-methyl-(e)-2-hepten-4-one

fruity ketone

Found in 2 ingredients across the CompKitchen flavor graph.

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

Properties

Odor description: hazelnut, nut, nutty
CAS number: 81925-81-7

Not in FEMA GRAS publications 1-33. Of 3,367 listed flavoring substances, none match this compound name. May still be food-safe under other regulatory routes (FDA 21 CFR 172, EFSA, JECFA) — check femaflavor.org for the authoritative current list.

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?
food matrix	0.05 ppb	0.05–0.05	1	1	one paper
oil	4352 ppb	3.8–8.7e+03	2	2	no (3.4 decades)
unstated	0.05 ppb	0.05–0.05	1	1	one paper
water	0.05 ppb	0.05–0.05	1	1	one paper

Found in

Measured impact first, then profile share

Every ingredient known to contain 5-methyl-(e)-2-hepten-4-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 5-methyl-(e)-2-hepten-4-one in it.

36 cmpds

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