(-)-limonene

citrus terpene_hydrocarbon

Found in 11 ingredients across the CompKitchen flavor graph.

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

2D Lewis Structure

Formula: C10H16
Molecular weight: 136.23 g/mol
PubChem CID: 439250 — full record on PubChem

Properties

Odor description: camphoraceous, herbal, peppery, pine, terpene
Odor threshold: 9.0 ppb
Volatility: high

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	10 ppb	10–10	1	1	one paper
unstated	36 ppb	0.034–38	4	4	no (3.0 decades)
water	9 ppb	8–10	2	2	yes

Found in

Measured impact first, then profile share

Every ingredient known to contain (-)-limonene. 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 (-)-limonene in it.

25 cmpds

29 cmpds

36 cmpds

36 cmpds