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Fir cones (silver)

Linh sam bạc, nón

Abies alba

White fir, Silver spruce, Templin

Pinaceae · Nón · Cones · Steam-distilled

Fir cones (silver) essential oil (Abies alba) — botanical illustration
Abies alba

Safety

Skin sensitization if oxidized

Oxidation products of (+)-limonene and α-pinene may sensitize skin.

Store in dark, sealed, refrigerated container. Add an antioxidant.

No irritation or sensitization at 20 percent test level. Non-phototoxic.

Likely not hazardous in pregnancy based on data for the major constituents.


Usage guidelines

Storage
Dark, sealed, refrigerated; add antioxidant

Chemistry

Volatile constituents
(+)-Limonene28.5 – 34.1 %
α-Pinene18.0 – 31.7 %
β-Pinene3.0 – 22.5 %
Bornyl acetate1.3 – 12.5 %
Camphene5.8 – 8.0 %
p-Cymene0.1 – 7.5 %
β-Caryophyllene0.1 – 4.2 %
β-Himachalene0 – 2.6 %
α-Caryophyllene0 – 2.0 %
Borneol0.2 – 1.5 %

Botanical source

Abies alba is the silver fir of central and southern Europe. The cone oil (templin oil) is distinct from the needle oil (silver fir needle oil), same tree, different parts.

Limited availability compared with the fir needle oil.

Family Pinaceae.


Quality

May be adulterated with pinenes, bornyl acetate, isobornyl acetate.