furan-2(5h)-one

caramel furan

Found in 1 ingredient across the CompKitchen flavor graph.

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

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	60 ppb	60–60	1	1	one paper
oil	20 ppb	20–20	1	1	one paper
unstated	60 ppb	5–800	3	3	no (2.2 decades)
water	357.5 ppb	1–714	2	2	no (2.9 decades)

Found in

Measured impact first, then profile share

Every ingredient known to contain furan-2(5h)-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 furan-2(5h)-one in it.

truffle

fungus

101 cmpds

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