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2-ethyl-4-hydroxy-5-methyl-3(2h)-furanone

caramel furan Key food odorant

Found in 381 ingredients across the CompKitchen flavor graph.

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

2D Lewis structure of 2-ethyl-4-hydroxy-5-methyl-3(2h)-furanone
2D Lewis Structure
Formula
C7H10O3
Molecular weight
142.15 g/mol
PubChem CID
33931 — full record on PubChem

Key food odorant (intermediary)

Dunkel et al. 2014

Identified in the meta-analysis of 227 food samples as one of 57 intermediary odorants — appears in 5–25% of foods.

Source: Angew. Chem. Int. Ed. 2014, 53, 7124–7143

Properties

Odor description
butterscotch, candy, caramel, sweet
Odor threshold
43.0 ppb
Volatility
high
CAS number
27538-10-9
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.

Found in

Measured impact first, then profile share

Every ingredient known to contain 2-ethyl-4-hydroxy-5-methyl-3(2h)-furanone. 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 2-ethyl-4-hydroxy-5-methyl-3(2h)-furanone in it.

great horned owl
meat
83 cmpds
pepper c. baccatum
vegetable
83 cmpds
kai lan
cabbage
84 cmpds
small leaf linden
plant
84 cmpds
ashgourd
gourd
85 cmpds
yellow pond lily
plant
85 cmpds
cupuaçu
fruit
86 cmpds
pepper c. chinense
vegetable
88 cmpds
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