z-2-heptenal

green aldehyde

Found in 2 ingredients across the CompKitchen flavor graph.

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

Properties

Odor description: green-related
Odor threshold: 40.0 ppb
CAS number: 57266-86-1

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?
food matrix	34.5 ppb	13–56	2	2	yes
oil	1.93 ppb	1.93–1.93	1	1	one paper
unstated	37.72 ppb	0.8–1.31e+03	12	10	no (2.1 decades)
water	13.25 ppb	0.775–17	6	6	yes

Found in

Measured impact first, then profile share

Every ingredient known to contain z-2-heptenal. 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 z-2-heptenal in it.

370 cmpds

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