3-hydroxy-2-methyl-4h-pyran-4-one

caramel

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: caramel
Odor threshold: 35000.0 ppb
Retention index: 1087

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?
air	3635 µg/L air	210–3.5e+04	4	2	no (2.2 decades)
food matrix	1251 ppb	1.24–2.5e+03	2	2	no (3.3 decades)
model wine or beer	1.58 ppb	0.48–5e+03	3	1	one paper
oil	210 ppb	210–210	1	1	one paper
unstated	1240 ppb	1.24–1.62e+05	13	12	no (4.1 decades)
water	2500 ppb	210–3.5e+04	15	15	yes

Found in

Measured impact first, then profile share

Every ingredient known to contain 3-hydroxy-2-methyl-4h-pyran-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 3-hydroxy-2-methyl-4h-pyran-4-one in it.

white bread

bakery

✓1 143 cmpds

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