Čuga

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Srednje notePiramida

3/5Jačina

5hTrajnost

2Poreklo

Uzorak

Čuga kao sirovina za parfeme — Srednje note

Tsuga canadensis (Eastern hemlock — conifer)

Definicija

Quiet, shaded, forest-floor green. Hemlock oil smells like the understory of an old-growth Appalachian forest — cooler and darker than spruce, less sweet than fir, with a mossy, almost damp quality underneath the bornyl acetate warmth. The conifer that stays in shadow.

DRVENAST ZELEN SVEŽ BALZAMSKI SMOLAST ZEMLJAN GORAK

HEMLOCK SPRUCE OIL TSUGA OIL EASTERN HEMLOCK OIL

Type: Sirovina
Olfactive family: Drvenasti
Source: needles and twigs
Chemical class: complex natural

Instrumenti

Piramida

GGornje note

SSrednje note

BBazne note

3/5Jačina

Srednja

jačina mirisa

Trajnost na mirisnoj traci

5sati

1 h6 h24 h3 d7 d400 h

pri 100 %

Zemlje proizvođači

Sjedinjene Američke Države Kanada

Miris

Cool, dark green, and balsamic with a mossy-woody undertone. The bornyl acetate (40–60%) provides a smooth, camphor-adjacent warmth without camphor's harshness — more like warm resin on bark than a medicinal cabinet. The alpha-pinene fraction (10–20%) gives initial freshness, but it is brief; the overall impression is grounded and dim rather than bright.

Compared to black spruce, hemlock reads darker, less oily, more woody. Compared to fir balsam, it lacks the honeyed sweetness and citrus-like lift. Compared to Scots pine, it has none of the turpentine sharpness. If spruce smells like the canopy of a boreal forest, hemlock smells like the ground beneath a 200-year-old stand — damp bark, decomposing needles, moss on stone. A forested quiet, not a forested energy.

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Detaljno

The name causes confusion. In perfumery, hemlock refers exclusively to the conifer genus Tsuga — specifically Tsuga canadensis (Eastern hemlock) — not to the toxic herb Conium maculatum that killed Socrates. The English common name is an accident of botany: early settlers thought the crushed needles smelled faintly of the poison plant, and the misnomer stuck. The two organisms share nothing else. Conium is an umbelliferous weed producing piperidine alkaloids. Tsuga is a slow-growing conifer of the Pinaceae family.

Tsuga canadensis is native to eastern North America, from Nova Scotia south along the Appalachian Mountains to northern Georgia and Alabama, and west to Minnesota. It favors cool, humid ravines and north-facing slopes — shade-tolerant to a degree unusual among conifers. Old-growth specimens can reach 50 meters and live over 500 years. The species is currently under severe ecological threat from the hemlock woolly adelgid (Adelges tsugae), an invasive sap-feeding insect from East Asia that has killed millions of trees since its detection in Virginia in 1951.

The essential oil is steam-distilled from needles and twigs. Its dominant component is bornyl acetate, typically 40–60% of total oil — higher than in black spruce (30–38%) or Norway spruce (14–40%). Alpha-pinene runs 10–20%, camphene 8–15%, with smaller contributions from tricyclene, limonene, myrcene, and beta-pinene. The high bornyl acetate ratio gives hemlock oil its particular character: warmer, rounder, and more balsamic than pine oils dominated by alpha-pinene, yet darker and less sweet than the balsam fir oils it is sometimes grouped with.

Hemlock oil is a niche material in contemporary use, overshadowed by black spruce and fir balsam which are produced in larger volumes. Its value lies in its particular shade of green — not the bright, clean green of pine or the honeyed green of fir, but something cooler, more withdrawn, closer to the scent of wet bark and old wood in deep shade. It functions as a naturalizer in coniferous accords and provides atmospheric depth in forest-territory compositions.

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Related: Spruce

Istorija

Indigenous peoples of eastern North America — particularly the Haudenosaunee (Iroquois) and various Algonquian nations — used Eastern hemlock bark as a source of tannin for hide preparation and brewed needle tea as a vitamin C source. The inner bark was consumed as a famine food. European colonists adopted the bark for leather tanning on an industrial scale: by the late 19th century, hemlock bark was the primary tanning agent in the northeastern United States, and entire hemlock forests were felled for their bark alone, the wood left to rot. Hemlock oil distillation remained a minor cottage industry, never approaching the commercial scale of pine or fir oils. The tree's English name likely derives from a perceived similarity between the scent of crushed Tsuga needles and the musty odor of poison hemlock (Conium maculatum) — a botanical coincidence that has caused confusion ever since.

Zanimljivosti

The hemlock woolly adelgid (Adelges tsugae), a 1.5 mm insect from Japan, has killed tens of millions of Eastern hemlock trees since it was first detected in Richmond, Virginia in 1951. The adelgid feeds on parenchyma cells at the base of needles, draining the tree's nutrient reserves. A mature hemlock can die within 4–10 years of infestation. By the 2020s the pest had spread across nearly the entire native range of Tsuga canadensis. The ecological collapse is reshaping forest canopy composition across the Appalachians — hemlock's role as a shade-provider for cool-water streams makes its loss particularly damaging to aquatic ecosystems.

Dobijanje i hemija

Način dobijanja

Steam distillation of fresh needles and terminal twigs of Tsuga canadensis. The oil is a pale yellow to colorless liquid with a characteristic fresh-balsamic, slightly camphoraceous odor. Distillation is typically performed in small batches by artisanal distillers in the northeastern United States and eastern Canada. Yield is approximately 0.5–1.0% by weight of fresh plant material — modest but consistent with other conifer needle oils. The oil's composition varies with harvest season: winter needles tend to produce higher bornyl acetate percentages, while summer harvests show strengthens monoterpene fractions. Whole-branch distillation (needles plus bark and wood) shifts the profile toward more terpenoid-rich, less ester-dominated compositions.

Formula: complex mixture (bornyl acetate C₁₂H₂₀O₂ ~40-60%, key component)
Botanički naziv: Tsuga canadensis (Eastern hemlock — conifer)
Izgled: pale yellow to yellow clear liquid
Jačina mirisa: Srednji
Trajnost: 5 hours at 100.00%
Sinonimi: HEMLOCK SPRUCE OIL TSUGA OIL EASTERN HEMLOCK OIL

Status prema standardima IFRA

Pogledajte napomenu

No IFRA Standard for the material itself (51st Amendment)

Fizička svojstva

Tačka paljenja: 143.00 °F. TCC ( 61.67 °C. )

U parfemima

Hemlock oil (Tsuga canadensis) functions as a heart-to-base note modifier in coniferous, forest, and green compositions. Its high bornyl acetate content (40–60%) gives it better tenacity than pine oils and makes it useful as a soft fixative in woody accords. It bridges well with vetiver, oakmoss, cedarwood, and labdanum — anywhere a dark, forested dimension is needed without brightness or sweetness. In fougere frameworks, it provides a more somber coniferous axis than spruce or fir. In chypre structures, it reinforces the mossy-woody base. The oil is FEMA GRAS (No. 3034) and has no current IFRA restrictions, making it straightforward to formulate with. Its relative obscurity in contemporary use owes more to supply constraints — hemlock woolly adelgid has devastated Eastern hemlock populations since the 1980s — than to any olfactory limitation.

Uloga u formuli

01modifikator

02naturalizator

03fiksativ

04svežina

05graditelj volumena

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eterično ulje

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