Rich, honeyed and hay-like with a distinctive dried-fruit and curry-leaf facet that is unmistakably immortelle (Helichrysum italicum). Opens herbal and slightly medicinal, deepening into a warm tobacco-maple sweetness with resinous, tea-like undertones.AI · claude-opus-4-7
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Perfume and Flavor Materials of Natural Origin, page 159.
The concréte is an olive-green to dark brown, semi-solid mass of waxy consistency. Absolute of Immortelle is a semi-liquid oil or a very viscous liquid, olive-green to dark brown in color.
The odor is intensely sweet-herbaceous, coumarinic, honeylike, slightly woody-floral with a peculiar licorice-like undertone. The heavy and fruity sweetness is sometimes compared to that of blackcurrant preserve and to the odor of elderflowers.
Everlasting Absolute is used in perfumery for its deep-sweet, honeylike, tobacco-like notes, and for its great fixative effect. It blends well with coumarin, flouve, lavender, lavandin, sage clary, citrus oils, linalool, rose bases, phenylethyl alcohol, Peru balsam oil, clove bud oil, etc. Its effect in rose bases and heavy-floral Oriental fragrances can be quite unique and successful.
It is used in certain fruit flavors and tobacco flavors.
Concréte of Immortelle is prepared from the flowers by extraction with benzene, gasoline or petroleum ether.