2,3-dihydro-3,5-dihydroxy-6-methyl-4h-pyran-4-one

dairy lactone

Found in 6 ingredients across the CompKitchen flavor graph.

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

Properties

CAS number: 28564-83-2
Retention index: 1145

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	3.5e+04 µg/L air	3.5e+04–3.5e+04	3	1	one paper
unstated	3.5e+04 ppb	3.5e+04–3.5e+04	1	1	one paper
water	3.5e+04 ppb	0.02–3.5e+04	3	3	no (6.2 decades)

Found in

Measured impact first, then profile share

Every ingredient known to contain 2,3-dihydro-3,5-dihydroxy-6-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 2,3-dihydro-3,5-dihydroxy-6-methyl-4h-pyran-4-one in it.

26 cmpds

65 cmpds

144 cmpds

364 cmpds

383 cmpds

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