The seasonal variation of mono-and sesquiterpene emission rates of Scots pine was measured from April to October in 2004. The emission rates were measured daily in the afternoons with the exception of weekends. Emissions were measured from two branches; one of them was debudded in May (branch A), while the other was allowed to grow new needles (branch B). The monoterpene emission pattern remain...

The genus Moluccella (Lamiaceae) encompasses eight species among which aucheri (Boiss.) Scheen and M. laevis L. are available in Iran. aim of this study is characterizing the essential oil dried aerial parts collected from South was hydrodistilled then analysed by GC-MS. Twenty-one compounds were identified aucheri. most abundant components an aromadendrane sesquiterpene; spathulenol (63.3%) to...

objective: the genus of ferula belongs to the tribe peucedaneae, subfamily of apioideae and family of umbelliferae with 133 species distributed throughout the mediterranean area and central asia, especially in the former ussr and neighboring countries such as iran. the popular persian name of the most of these species is “koma”. in this research we tried to isolate and elucidate the structure o...

Objective(s): Artemisia species are important medicinal plants throughout the world. Some species are traditionally used for their anti-inflammatory effect. The present study was designed to isolate sesquiterpene fractions from several Artemisia species and evaluate their anti-inflammatory activities on key mediators and signaling molecules involved in regulation of in...

A novel C(35)-terpene, designated as cryptotrione (1), with an unprecedented skeleton possessing an abietane diterpene with a unique bicyclic sesquiterpene, is identified from the bark of Cryptomeria japonica. The carbon skeleton of 1 represents a new structural entity, and this is an intriguing addition to the structurally diverse diterpene-sesquiterpene class. A unique biosynthetic pathway is...

A new sesquiterpene of humulene type, named 2beta, alpha-epoxy-6Z, 9Z-humuladien-8alpha-ol (1) together with a known compound lactarinic acid was isolated from the fruiting bodies of Lactarius hirtipes. Their structures were established on the basis of spectral evidence (MS, IR, NMR, HMBC, HMQC, 1H-1H COSY, ROSEY experiments). Compound 1 was found as the first humulene-type sesquiterpene in hig...

Sesquiterpene lactones (SLs) are a group of secondary metabolites that represent a diverse and unique class of natural products and are important constituent of essential oils, formed from head-to-tail condensation of three isoprene units and subsequent cyclization and oxidative transformation to produce a cis or trans-fused lactone. In this editorial we are going to focus on anticancer, anti-i...

family cupressaceae is the largest coniferous plant family. essential oils of many species belonging to family cupressaceae are known to have several biological activities specially antimicrobial activity. the essential oils from aerial parts of calocedrus decurrens torr., cupressus sempervirens stricta l. and tetraclinis articulata (vahl) mast. were prepared by hydrodistillation. the chemical ...

The fruits of Garcinia scortechinii afforded 10 new compounds: four caged-tetraprenylated xanthones (scortechinones Q-T, 1-4), four rearranged xanthones (scortechinones U-X, 5-8), and two sesquiterpene derivatives (scortechterpenes A, B, 9, 10), together with 14 known compounds: one sesquiterpene, two biflavonoids, and 11 caged-polyprenylated xanthones. Their structures were elucidated by analy...

The sesquiterpene compounds present in red wines were characterized and quantified by Headspace Solid-Phase Microextraction in combination with Gas Chromatography–Mass Spectrometry (HS-SPME-GC-MS). Sixteen sesquiterpenes were identified, mainly hydrocarbons but also derived oxygenated compounds. Sesquiterpenes were acyclic, monocyclic, byciclic and tryciclic. Sesquiterpenes were detected in SIM...