Composition of Oleoresins from Bark and Cones of Abies nordmanniana and Picea orientalis

Abstract

Fresh and old oleoresin samples from bark and cones of Abies nordmanniana and Picea onentalis were analyzed by gas chromatography and mass spectrometry. The fresh Oleoresins from both bark and cones of Caucasian fir were mainly composed of monoterpenes (40.0% and 21.3%, respectively) and resin acids (27,4% and 36.8%). α-Pinene was the dominant constituent of monoterpenes in the bark and cone (21.9% and 17.2%) and abietic acid of the resin acids (11.4% and 19.8%). Pimaric acid, a common resin in softwood resins and oleoresins, was not found in the samples. Sesquiterpenes, resin aldehydes and resin alcohols were minor constituents of the fresh samples. Analysis of the old samples from bark of Caucasian fir presented a completely different composition. The major part of the resin was composed of resin hydrocarbons (34.1%) They were not detected in the fresh samples. The dominant constituent of the old oleoresin was abietadiene (23.0%).The fresh oleoresin samples from both bark and cones of Oriental spruce were mainly composed of resin acids (29.1% and 40.4%) and monoterpenes (28.5% and 17.5%). Abietic acid was the dominant constituent (21.4%) of the cone resin. Pimaric acid was not seen in the fresh samples. A 3 -Carene was a major constituent (14.1%) in the bark resin, but it was a trace in the cone. Sesquiterpenes, resin aldehydes and resin alcohols were minor constituents of the oleoresins. The old oleoresin sample from bark and cones were almost entirely composed of resin acids (66.2% and 62.4%). Abietic acid was the dominant constituent of the cone (32.2%) and dehydroabietic acid of the bark (18.4%). In addition to common resin acids, both of the old samples contained modified resin acids. The old samples contained also some lignans s minor constituents.

Fungi growing on aromatic hydrocarbons: biotechnology's unexpected encounter with biohazard?

“…This activity is consistent with the occurrence of these species as lignicolous and fungicolous organisms, because decaying woody and polyporoid/stereoid substrates are known to accumulate long chain fatty acids like oleic and linoleic acids (Fig. 1) (Hafizoglu & Reunanen, 1994; Gao et al , 1995; Gutierrez et al , 2002; Hafizoglu et al , 2002). Association with white‐rot fungi might also be reinforced by the fact that Capronia anamorphs grow very efficiently on aromatic acids, such as protocatechuic (Fig.…”

Chemical Composition and Content of Lipophilic Seed Extractives of Some Abies and Picea Species

“…As found in the literature, wood extracts from many conifers also consist mainly of fatty acids, resin acids, alcohols, sterols, sterol esters, and glycerides . But surprisingly, according to the four available manuscripts that deal with cone extracts, the lipophilic extracts of oriental spruce and oriental fir cones , cypress cones as well as some Pinus and Abies species cones , consisted mainly of resin acids.…”

“…There are only four publications referring to the analysis of lipophilic extractives in cones. These manuscripts are focused on some Pinus species ( Pinus halepensis , P. brutia , P. pinea , P. sylvestris , and P. nigra ) , on four Abies species ( A. equi‐trojani , A. cilicica, A. bornmülleriana , and A. nordmanniana , one cypress species ( Cupressus sempervirens var. pyramidalis and var.…”

Composition and Biological Activity of Picea pungens and Picea orientalis Seed and Cone Essential Oils

“…However, no attention has been paid to the biological activity of Colorado and Caucasian cone oils. Seeds of the conifers are examined mainly from the point of view of the composition of fatty acids and lipophilic extractives …”