Osmanthus

NaturalFLOWERSfloral · fruity · leathery
HeartPyramid
3/5Strength
400hTenacity
3Origins
Specimen
Osmanthus perfume ingredient
Heart
Osmanthus fragrans Lour.
Definition

Dried apricots, suede gloves, oolong tea left steeping too long. Osmanthus is the one flower that smells more like fruit than petal — a warm, lactonic sweetness undercut by violet-leather dryness that has no equivalent in the perfumer's organ.

FLORAL GREEN SWEET FRUITY LEATHER WARM FRESH
Sweet Olive, Gui Hua, Kinmokusei, Osmanthus Absolute, Golden Olive
Instruments
Pyramid
TTop
HHeart
BBase
3/5Strength
Medium
odour strength
Tenacity on blotter
400hours · 17 days
1 h6 h24 h3 d7 d400 h
at 100 %
Producing countries
China Japan Taiwan

Scent

Sweet and lactonic on first impression — the ripe, slightly overblown sweetness of an apricot that has been sitting in the sun. Underneath, a suede-leather dryness and a violet-powdery shadow from the ionones. Not indolic like jasmine, not transparent like rose, not narcotic like tuberose. Where jasmine insists and tuberose overwhelms, osmanthus suggests: a quiet warmth, fruity and textile. A dry, tea-leaf quality — similar to of lightly oxidized oolong — threads through the entire development, contributed by linalool oxide and theaspirane. The overall impression is of fruit and warm cloth rather than garden flowers.

Terroir & Origins

Indicative 2025 wholesale prices.

The Full Story

Osmanthus fragrans — gui hua in Mandarin, kinmokusei in Japanese — is a small persistent tree native to southern China. The tiny gold-orange flowers, which bloom in dense axillary clusters during September and October, produce a singular scent in perfumery. The absolute, obtained by solvent extraction of fresh flowers, commands approximately $4,000 per kilogram. Yields are punishingly low: estimates range from 720 to 3,000 kilograms of flowers for a single kilogram of absolute, depending on cultivar, harvest timing, and processing method.

The chemistry explains the oddity. GC-MS analysis of the absolute reveals that the dominant volatile is not a classic floral compound but (E)-linalool oxide furanoid, typically accounting for around 20% of the composition — a molecule associated with dry, woody-herbaceous tonalities rather than blossom sweetness. Linalool follows at roughly 15%. The lactonic character that gives osmanthus its apricot-skin quality comes primarily from delta-decalactone (approximately 10-12%), supplemented by gamma-decalactone at lower concentrations. Alpha-ionone (approximately 6-8%) and beta-ionone (approximately 6%) contribute the violet-powdery undertone. Cis-jasmone, theaspirane, and dihydro-beta-ionone round out the profile. This is a flower built on carotenoid-derived apocarotenoids and lactones — closer, chemically, to a stone fruit than to a rose.

The result is a material that occupies its own category: floral, fruity, and leathery simultaneously. No other natural material smells exactly like overripe apricot and warm suede. In China, gui hua carries the weight of autumn itself. The flowers are steeped into wine (gui hua jiu), folded into rice cakes (gui hua gao), infused into tea, and stirred into sweet soups. References to osmanthus-scented wine appear as early as Qu Yuan's Nine Songs (4th-3rd century BCE), making this one of the oldest documented aromatic materials in continuous cultural use.

Related notes: Alba Rose · Carnation · Geranium · Iris · Lychee · Mimosa · Peony · Rose

Extraction & Chemistry

Extraction method

Fresh flowers are harvested by hand in September-October and processed rapidly, as the volatiles dissipate within hours. Solvent extraction (typically hexane) of the fresh blossoms produces a concrete — a waxy, green-yellow to brown semi-solid. The concrete is then washed with ethanol to yield the absolute. Yields are extremely low and vary significantly: published estimates range from 720 kg to 3,000 kg of flowers per kilogram of absolute, depending on cultivar (O. fragrans var. aurantiacus vs. var. thunbergii), terroir, and processing efficiency. The resulting absolute is a viscous green-yellow to brown paste. Headspace capture and reconstitution from synthetic building blocks are increasingly common alternatives, offering consistent quality at lower cost.

Formula
Complex natural (absolute). Key constituents: (E)-linalool oxide furanoid (~20%), linalool (~15%), delta-decalactone (~11%), alpha-ionone (~6-8%), beta-ionone (~6%), gamma-decalactone, cis-jasmone, theaspirane, dihydro-beta-ionone
CAS
68917-05-5
Botanical
Osmanthus fragrans Lour.
Appearance
Green-yellow to brown viscous liquid to paste
Odour strength
Medium
Lasting power
400 hours at 100.00%
Synonyms
Sweet Olive, Gui Hua, Kinmokusei, Osmanthus Absolute, Golden Olive
IFRA status
Restricted

Restricted — sensitization risk. IFRA recommends a maximum of 2.0% in the fragrance concentrate. Contains naturally occurring geraniol (~1.2%), trace eugenol, and minor coumarin (0.02%).

Physical properties
Flash point
161.00 °F. TCC ( 71.67 °C. )
Specific gravity
0.92100 to 0.98300 @ 25.00 °C.
Refractive index
1.48300 to 1.49600 @ 20.00 °C.

In Perfumery

Osmanthus functions as a heart note that bridges floral, fruity, and leathery registers without fully committing to any of them. Its lactone content — delta-decalactone, gamma-decalactone — makes it a natural partner for peach, apricot, and plum accords. Its ionone content (alpha and beta) allows smooth connection to violet, iris, and orris compositions. Its leather quality links it to suede bases and animalic foundations. Usage rates are typically modest: 0.1-3% of a fragrance concentrate, constrained both by cost and by the material's intensity. Even small additions shift a composition toward fruit-leather warmth. Synthetic reconstruction is standard practice, built around beta-ionone, dihydro-beta-ionone, dihydro-beta-ionol, gamma-decalactone, linalool oxide, and theaspirane. These reconstructions approximate the scent profile at a fraction of the cost but tend to lack the textural complexity — the suede grain, the tea-leaf dryness — that the natural absolute provides. Osmanthus is particularly effective in compositions evoking East Asian tea aesthetics, autumn-oriented themes, and as a counterpoint to oud — where its fruity brightness offsets animalic density. It also is a natural bridge in chypre-adjacent structures where the fruity-leathery intersection is desired.

Role in the formula
01diffusion enhancer
02modifier
03signature note
04blender
05volume builder
06freshness
Available as
absolute

See Also

6 notes