5-Hydroxymaltol, a derivative of maltol, is a substance that can be found in Penicillium echinulatum.[1] It is also found in toasted oak[2] and also in honeys from blue gum (Eucalyptus leucoxylon) and yellow box (Eucalyptus melliodora).[3]

5-Hydroxymaltol
Names
Preferred IUPAC name
3,5-Dihydroxy-2-methyl-4H-pyran-4-one
Other names
3,5-Dihydroxy-2-methylpyran-4-one
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.258.796 Edit this at Wikidata
UNII
  • InChI=1S/C6H6O4/c1-3-5(8)6(9)4(7)2-10-3/h2,7-8H,1H3 checkY
    Key: SSSNQLHKSUJJTE-UHFFFAOYSA-N checkY
  • Cc1occ(O)c(=O)c1O
Properties
C6H6O4
Molar mass 142.110 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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References

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  1. ^ Anderson, H.A.; Bracewell, J.M.; Fraser, A.R.; Jones, D.; Robertson, G.W.; Russell, J.D. (December 1988). "5-Hydroxymaltol and mycophenolic acid, secondary metabolites from Penicillium echinulatum". Transactions of the British Mycological Society. 91 (4): 649–651. doi:10.1016/S0007-1536(88)80040-8.
  2. ^ Cutzach, Isabelle; Chatonnet, Pascal; Henry, Robert; Dubourdieu, Denis (June 1997). "Identification of Volatile Compounds with a "Toasty" Aroma in Heated Oak Used in Barrelmaking". Journal of Agricultural and Food Chemistry. 45 (6): 2217–2224. doi:10.1021/jf960947d.
  3. ^ D'Arcy, Bruce R.; Rintoul, Gavin B.; Rowland, Catherine Y.; Blackman, Adrian J. (1997). "Composition of Australian Honey Extractives. 1. Norisoprenoids, Monoterpenes, and Other Natural Volatiles from Blue Gum (Eucalyptus leucoxylon) and Yellow Box (Eucalyptus melliodora) Honeys". Journal of Agricultural and Food Chemistry. 45 (5): 1834–1843. doi:10.1021/jf960625+.