humulene epoxide ii

herbal sesquiterpene

Found in 4 ingredients across the CompKitchen flavor graph.

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

2D Lewis Structure

Formula: C15H24O
Molecular weight: 220.35 g/mol
PubChem CID: 92476330 — full record on PubChem

Properties

Odor threshold — in a food matrix: 2.6 ppb – 1608 ppb median 36.1 ppb · 3 published values · see all 3 with sources
Volatility: medium
CAS number: 19888-34-7
Retention index: 1608

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.

Published thresholds

3 measured values from the literature. Grouped by what was actually measured — a threshold smelled in clean water, tasted in the mouth, or measured in a real food are three different quantities and are not pooled.

In a food matrix

2.6 ppb – 1608 ppb

Measured in a real food, where the matrix shifts detection — not a clean-water value.

Threshold	Matrix	Source	Paper
2.6 ppb	water (food: tea)	Literature corpus	26110869
36.1 ppb	water (food: rum)	Literature corpus	40295531
1608 ppb	water (food: unknown)	Literature corpus	24298981, 26299134, 26963574 +12

Only values we can attribute are listed. Where a compendium's licence does not permit public attribution its figures are omitted here, so every number on this page traces to a citable source.

Where you'd actually smell it

Odor Activity Value = measured concentration ÷ odor threshold (36.08 ppb, the engine's canonical value — see the 3 published values). OAV ≥ 1 = perceptible.

Food	Concentration (ppb)	OAV	Source
tea	1620.0	44.9 ⚡	Corpus paper
rum	1613.0	44.7 ⚡	Corpus paper

Concentrations from PubMed Central Open Access papers (free literature corpus, MIT-style licensed). Copper = OAV ≥ 10 (strongly perceptible). Green = OAV ≥ 1 (perceptible).

Found in

Measured impact first, then profile share

Every ingredient known to contain humulene epoxide ii. 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 humulene epoxide ii in it. Full concentrations are in the OAV table above.

60 cmpds

280 cmpds

350 cmpds

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