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Petitgrain

Q: Is Petitgrain natural or synthetic?

. Extraction: Steam distillation of the leaves and young twigs of Citrus aurantium var. amara (bitter orange). Yield: 0.2–0.4% (approximately 3–3.5 kg of oil per tonne of foliage). Originally distilled from the small unripe fruits — hence the name 'petitgrain' — but leaf distillation replaced this practice by the mid-19th century. In Paraguay, smallholder farmers load 200–800 kg of foliage into copper stills and distill for approximately 3.5 hours. The oil is collected by the farmers themselves and sold to local collectors (acopiadores) who aggregate and export. Flash point: 66–77°C. Specific gravity: 0.878–0.899 at 25°C..

CITRUS SMELLS / citrus · fresh · green

Petitgrain

Category	CITRUS SMELLS
Subcategory	citrus · fresh · green
Origin
Volatility	Top-Heart
Botanical	Citrus aurantium
Appearance	colorless clear liquid
Odor Strength	Medium
Producing Countries	France, Italy, Morocco, Paraguay
Pyramid	Top

Bitter, green, woody-dry — the smell of snapping a twig off a bitter orange tree in full sun. Not a fruit scent. This is leaf, bark, and sap: the austere, structural backbone beneath neroli's sweetness.

Scent
Terroir & Origins
The Full Story
Fun Fact
Extraction & Chemistry
In Perfumery

Scent

Green-bitter and woody-dry, with a clean soapy edge from the high linalyl acetate content. The opening is sharper than neroli — twig-snap freshness rather than blossom sweetness — and drier than bergamot, with none of the fruity roundness of cold-pressed citrus peel. A lavender-adjacent softness sits underneath (the linalool), but the dominant impression is herbaceous and angular. The dry-down turns slightly metallic and woody, with a faint powdery residue. Think crushed bitter orange leaves on warm stone.

Evolution over time

Immediately

Sharp green-bitter snap — crushed bitter orange leaves, twig sap, a flash of bergamot-like brightness from limonene and myrcene

After a few hours

Dry, woody-herbaceous warmth settles in. Linalyl acetate dominates: soapy, clean, lavender-adjacent. The green bitterness recedes; a faint metallic-powdery quality emerges

After a few days

Soft woody-green residue with a clean, slightly waxy trace. Notably more persistent than any expressed citrus peel — the ester backbone holds

Terroir & Expressions

Indicative 2025 wholesale prices.

The Full Story

Petitgrain is the steam-distilled essential oil of the leaves and small twigs (petit-grain = small grains, referring to the unripe small fruits sometimes included) of various Citrus species. The principal commercial type is petitgrain bigarade — leaves of the bitter orange tree, Citrus aurantium — CAS 8014-17-3 [A]. Other petitgrains exist (petitgrain mandarin, petitgrain lemon, petitgrain citronnier) with distinct profiles.

Chemistry

Bitter-orange petitgrain is dominated by linalyl acetate (45–65%, the same defining compound as bergamot but at higher concentration), linalool (15–30%), α-terpineol and trace methyl anthranilate. The character is bitter-green, woody, dry — completely distinct from neroli (also from C. aurantium but distilled from the flowers, with a much more floral profile) and from the peel oil (bitter orange, sweeter and fruitier). The same plant gives three commercial materials of remarkably different character.

Sources & Notes

[A] Petitgrain bigarade essential oil, CAS 8014-17-3. Standard industry reference. See PubChem CID 8294 for linalyl acetate.

Did You Know?

Did you know?

Benjamin Balansa, a French botanist who had previously collected plants across Indochina, built a still of his own design in Buenos Aires and transported it to Paraguay in 1877 — launching an industry that now involves roughly 15,000 smallholder families in the San Pedro department. Most of them distill petitgrain on their own land using rudimentary equipment, making it a decentralized essential oil supply chains in the world.

Extraction & Chemistry

Extraction method: Steam distillation of the leaves and young twigs of Citrus aurantium var. amara (bitter orange). Yield: 0.2–0.4% (approximately 3–3.5 kg of oil per tonne of foliage). Originally distilled from the small unripe fruits — hence the name 'petitgrain' — but leaf distillation replaced this practice by the mid-19th century. In Paraguay, smallholder farmers load 200–800 kg of foliage into copper stills and distill for approximately 3.5 hours. The oil is collected by the farmers themselves and sold to local collectors (acopiadores) who aggregate and export. Flash point: 66–77°C. Specific gravity: 0.878–0.899 at 25°C.

↑ See Terroir & Origins for origin-specific methods.

Molecular Formula	Complex mixture: linalyl acetate (C₁₂H₂₀O₂, 40–55%), linalool (C₁₀H₁₈O), α-terpineol (C₁₀H₁₈O)
CAS Number	8014-17-3
Botanical Name	Citrus aurantium
IFRA Status	No known restrictions
Synonyms	BITTER ORANGE LEAF OIL · PETITGRAIN OIL
Physical Properties
Odor Strength	Medium
Lasting Power	20 hours at 100%
Appearance	colorless clear liquid
Flash Point	171.00 °F. TCC ( 77.22 °C. )
Specific Gravity	0.88900 to 0.89900 @ 25.00 °C.
Refractive Index	1.45400 to 1.46000 @ 20.00 °C.

In Perfumery

Petitgrain bigarade functions as a top-to-heart bridge — one of the few citrus-family materials with genuine mid-register tenacity. Its 47–58% linalyl acetate content gives it 20–28 hours of substantivity at full concentration, compared with 2–4 hours for expressed bergamot or lemon peel oil. This makes it structurally indispensable in eaux de cologne, where it prevents the composition from collapsing after the volatile citrus flash evaporates. It is one of the seven unchanged ingredients in the original 4711 cologne formula (1792). Beyond cologne, petitgrain is structural in fougères (bridging lavender and coumarin), chypres (linking bergamot top to oakmoss base), and aromatic-woody compositions. Because it is steam-distilled rather than cold-pressed, it contains negligible furocoumarin levels — making it functionally non-phototoxic, unlike expressed citrus oils restricted under IFRA Standard 089.