摘要:

Many species among the Tropical Annonaceae family are odorous; this property is due to the presence of essential oils which are mainly composed of mono- and sesquiterpene compounds. The aim of this work is to give an overview of all published studies on the chemical composition of essential oils of various plant parts taken from numerous species belonging to different genera of Annonaceae. In the Annonaceae, the main compounds are usually monoterpene hydrocarbons in fruit and seed oils, sesquiterpene hydrocarbons in leaf oils, and oxygenated sesquiterpenes in bark and root oils. Most constituents identified are common, such as α-pinene, limonene, β-pinene, β-caryophyllene, p-cymene and caryophyllene oxide. Other components seem to be more specific to a particular Annonaceae genus.

ISSN:1041-2905    

DOI:10.1080/10412905.1999.9701092

出版商:Taylor & Francis Group    

年代:1999

数据来源: Taylor

摘要:

The chemical composition of oil from two clones ofOriganum vulgaressp.gracileand ssp.virenswas determined. Forty compounds were identified by GC and GC/MS in both oils. The oils fromO. vulgaressp.gracileand O.vulgaressp.virenswere characterized by high levels of sabinene (6.5–26.0%) and germacrene D (13.7–25.7%).

ISSN:1041-2905    

DOI:10.1080/10412905.1999.9701093

出版商:Taylor & Francis Group    

年代:1999

数据来源: Taylor

摘要:

The essential oils of the aerial parts ofCunila angustifolia, collected in two different regions in the southern Brazilian state of Santa Catarina, were analyzed by GC, GC/MS and13C-NMR spectroscopy. The main compounds in sample A were found to be sabinene (41.4%), γ-terpinene (11.3%) and limonene (9–5%). In sample B, trans-piperitone oxide (42.4%), sabinene (12.1%) and limonene (10.4%) were the main constituents. For confirmation of trans-piperitone oxide, the compound has been isolated by column chromatography and the structure established by spectroscopical methods.

ISSN:1041-2905    

DOI:10.1080/10412905.1999.9701094

出版商:Taylor & Francis Group    

年代:1999

数据来源: Taylor

摘要:

Hydrodistillation of leaves of a new species of eucalypt,Eucalyptus dura,produced an oil rich in β-phellandrene (16.4%) and 1,8-cineole (22.6%). Chirality of the oil was unusual as most chiral compounds were represented by only one enantiomer. The monoterpenes α-pinene and limonene had both enantiomers present. The high β-phellandrene and 1,8-cineole content of the oil makes it suitable for use as a bacteriostat.

ISSN:1041-2905    

DOI:10.1080/10412905.1999.9701095

出版商:Taylor & Francis Group    

年代:1999

数据来源: Taylor

摘要:

Crushed fruits ofPrangos bornmuelleri, endemic in Turkey, were subjected to simultaneous distillation-extraction using Likens-Nickerson Apparatus with dichloromethane. The steam volatiles were analyzed by GC/MS. Fifteen compounds were identified representing 98.9% of the total components detected with germacrene D-4-ol (42.8%), α-cadinol (18.5%) and δ-cadinene (10.9%) as major constituents.

ISSN:1041-2905    

DOI:10.1080/10412905.1999.9701096

出版商:Taylor & Francis Group    

年代:1999

数据来源: Taylor

摘要:

The composition and intraspecific variability of the leaf oil ofLippia multifloraMold. from the Ivory Coast were investigated by GC and Carbon-13 NMR spectroscopy. Four compositions were characterized : neral/geranial, 1,8-cineole, 1,8-cineole/neral/geranial and linalool. The composition of the oils obtained from air-dried leaves exhibited only slight quantitative differences from fresh leaves of the same plants.

ISSN:1041-2905    

DOI:10.1080/10412905.1999.9701097

出版商:Taylor & Francis Group    

年代:1999

数据来源: Taylor

摘要:

Analysis of the volatiles isolated from the leaves ofOcimum sanctumL., Lamiaceae, by capillary GC and GC/MS resulted in the identification of 25 components comprising 98.7% of the total oil. Eugenol (53.4%), β-caryophyllene (31.7%) and β-elemene (6.2%) were the major components found.

ISSN:1041-2905    

DOI:10.1080/10412905.1999.9701098

出版商:Taylor & Francis Group    

年代:1999

数据来源: Taylor

摘要:

The leaf oil ofAcmenosperma claviflorum(Roxb.) E. Kausel was analyzed by GC and GC/MS and was found to be entirely sesquiterpene in nature. The principal component was bicyclogermacrene (36%). The next most abundant compounds were α-copaene (7%), δ-cadinene (4.9%) and globulol (5.2%). The oil yield was 0.2%, based on fresh leaves.

ISSN:1041-2905    

DOI:10.1080/10412905.1999.9701099

出版商:Taylor & Francis Group    

年代:1999

数据来源: Taylor

摘要:

The oil from the aerial parts ofHedeoma multiflorumBenth. (Lamiaceae) was analyzed by GC and GC/MS. It was found that the major components were menthone (14.1%), isomenthone (8.9%) and pulegone (62.1%).

ISSN:1041-2905    

DOI:10.1080/10412905.1999.9701100

出版商:Taylor & Francis Group    

年代:1999

数据来源: Taylor

摘要:

The leaf essential oils ofJuniperus oxycedrusL. subsp.oxycedrus,subsp.badia(H. Gay) Debeaux and subsp.macrocarpa(Sm.) Ball have been analyzed by GC/MS. One hundred twenty two compounds were found in these three subspecies. The leaf oils of J.oxycedruswere dominated by α-pinene (25–43%), and limonene (4.5–28%), with moderate amounts of β-pinene, myrcene, p-cymene, β-phellandrene and manoyl oxide, whereas the leaf oils of J.oxycedrussubsp.badiawere dominated by α-pinene and germacrene D with variable amounts of manoyl oxide and moderate amounts of α-campholenal, β-bourbenene and several unknown sesquiterpenes. The oils of subsp.badiacontained nine unknown sesquiterpenes that were only found in this taxon. The oil of subsp.macrocarpawas dominated by sabinene and α-pinene with moderate amounts of p-cymene, γ-terpinene and terpinen-4-ol. Chemically, the three subspecies appear to be distinct and this warrants the continued recognition of these subspecies.

ISSN:1041-2905    

DOI:10.1080/10412905.1999.9701101

出版商:Taylor & Francis Group    

年代:1999

数据来源: Taylor