CHEMICAL COMPOSITION OF THE ESSENTIAL OILS OF ARTEMISIA SCOPARIA WALDST.ET KIT. FROM TRANS-BAIKAL TERRITORY

Artemisia scoparia Waldst.et Kit. is an annual or biennial plant, widely spread on Transbaikal Territory. We have attempted to identify the leading factor affecting on the composition of essential oil in this article. Raw materials were collected during field works in 2014-2016 on the territory of Buryatia and on Transbaikal Territory. Essential oil was obtained by hydrodistillation method from air-dried raw materials. The chemical composition of the oil was analyzed by chromatography-mass spectrometry. According to the composition of the components the studied oils referred to a chemotype containing monoterpene and sesquiterpene compounds as the main components. β-Myrcene, limonene, α- and β-pinenes, α- and β-farnesenes, caryophyllene, α-copaene, spathulenol were identified almost in all samples except one, and p-cymol, γ-terpinene, humulene, caryophyllene oxide were found in most of them.The variety of identified components of oils was associated with the secondary transformation of terpenes, the components of oils were representatives of 19 structural types of compounds. The composition of essential oils of Artemisia scoparia from Transbaikal Territory was characterized by a high content of sesquiterpene compounds.The humidity mainly influenced on the composition of essential oils. Mostly accumulation of sesquiterpene compounds occurred in essential oils of plants growing in ecotopes with sufficient humidity, and monoterpenes - in places with less humidity.

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GC and GC-–MS Analysis of Volatile Compounds From Ballota nigra subsp. uncinata Collected in Aeolian Islands, Sicily (Southern Italy)

Natural Product Communications ◽

10.1177/1934578x20920483 ◽

2020 ◽

Vol 15 (4) ◽

pp. 1934578X2092048 ◽

Cited By ~ 1

Author(s):

Daniela Rigano ◽

Carmen Formisano ◽

Sergio Rosselli ◽

Natale Badalamenti ◽

Maurizio Bruno

Keyword(s):

Mass Spectrometry ◽

Cluster Analysis ◽

Gas Chromatography ◽

Chemical Composition ◽

Essential Oil ◽

Essential Oils ◽

Southern Italy ◽

Aerial Parts ◽

Hexahydrofarnesyl Acetone ◽

Main Components

In the present study, the chemical composition of the essential oils from aerial parts of Ballota nigra subsp. uncinata (Bég.) Patzak collected in Sicily was evaluated by gas chromatography (GC) and GC-mass spectrometry. The main components of the oil were ( E)-phytol (20.0%), α-pinene (9.0%), hexahydrofarnesyl acetone (5.7%), and α-selinene (5.1%). Cluster analysis of the essential oil compositions of all the taxa belonging to B. nigra s.l. group was performed.

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Chemical Composition of the Essential Oil of the Local Endemics Centaurea davidovii and C. parilica (Asteraceae, sect. Lepteranthus) from Bulgaria

Natural Product Communications ◽

10.1177/1934578x1400900938 ◽

2014 ◽

Vol 9 (9) ◽

pp. 1934578X1400900

Author(s):

Antonella Maggio ◽

Luana Riccobono ◽

Svetlana Bancheva ◽

Maurizio Bruno ◽

Felice Senatore

Keyword(s):

Chemical Composition ◽

Essential Oil ◽

Essential Oils ◽

Octadecadienoic Acid ◽

Chemical Compositions ◽

Caryophyllene Oxide ◽

Pca Analysis ◽

Hexadecanoic Acid ◽

Aerial Parts ◽

Main Components

In the present study the chemical compositions of the essential oils from aerial parts of Centaurea davidovii Urum. and C. parilica Stoj. & Stef., both endemic to Bulgaria, were evaluated by GC and GC-MS. The main components of C. davidovii were β-eudesmol (13.9%), spathulenol (13.3%), caryophyllene oxide (10.1%) and ( Z)-phytol (5.4%). The main components of C parilica were hexadecanoic acid (39.2%), ( Z, Z)-9,12-octadecadienoic acid (11.9%), caryophyllene oxide (6.8%) and spathulenol (6.6%). In order to compare the essential oils composition of these taxa and of related species a PCA analysis was carried out.

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Chemical Composition and Phytotoxic Effects of Essential Oils from Four Teucrium Species

Natural Product Communications ◽

10.1177/1934578x1000501230 ◽

2010 ◽

Vol 5 (12) ◽

pp. 1934578X1000501 ◽

Cited By ~ 7

Author(s):

Laura De Martino ◽

Carmen Formisano ◽

Emilia Mancini ◽

Vincenzo De Feo ◽

Franco Piozzi ◽

...

Keyword(s):

Chemical Composition ◽

Essential Oil ◽

Essential Oils ◽

Caryophyllene Oxide ◽

Garden Cress ◽

Active Compounds ◽

Radicle Elongation ◽

Germacrene D ◽

Teucrium Polium ◽

Main Components

The essential oils of four Teucrium species were studied and 131 components, in all, were identified. All oils were rich in sesquiterpenes (50.0-61.9%). Caryophyllene and caryophyllene oxide were the main components of Teucrium arduini; germacrene D, δ-cadinene and γ-cadinene predominated in Teucrium maghrebinum. Carvacrol and caryophyllene predominated in Teucrium polium ssp. capitatum, while carvacrol, caryophyllene oxide and caryophyllene were the most abundant components in Teucrium montbretii ssp. heliotropiifolium. The germination of radish and garden cress was less sensitive to the four essential oils. The radicle elongation, above all, of radish was significantly inhibited by all oils, in particular by the essential oil of T. arduini, at the highest doses tested. Among the main components of the oils, monoterpenes resulted the more active compounds.

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Variability in chemical composition and antimicrobial activity of essential oil of Rosa × damascena Herrm. from mountainous regions of Iran

Chemical and Biological Technologies in Agriculture ◽

10.1186/s40538-021-00219-6 ◽

2021 ◽

Vol 8 (1) ◽

Author(s):

Mansureh Ghavam ◽

Afsaneh Afzali ◽

Maria Manconi ◽

Gianluigi Bacchetta ◽

Maria Letizia Manca

Keyword(s):

Antimicrobial Activity ◽

Chemical Composition ◽

Essential Oil ◽

Essential Oils ◽

Environmental Conditions ◽

Raw Materials ◽

Rosa Damascena ◽

Mountainous Regions ◽

Aspergillus Brasiliensis ◽

Suitable Area

Abstract Background Essential oil of Rosa × damascena Herrm. is one of the most valuable and important raw materials for the flavor and fragrance industry. The cultivation of this plant has ancient origins, and Kashan was one of the first mountainous regions of Iran dealing with the cultivation of R. × damascena. In this study, both chemical composition and antimicrobial activity of different rose essential oils obtained from five mountainous areas of Kashan region (Maragh, Qamsar, Sadeh, Javinan, and Kamoo) has been investigated along with the influence of the environmental conditions on these properties. Results Results showed that yield and chemical composition of essential oils obtained from Rosa × damascena were significantly affected by the collection area. In particular, the yield of oils varied from ~0.08 to ~0.132% and citronellol (36.70-9.18%), geraniol (12.82-0.47%), nonadecane (22.73-10.36%), heneicosane (31.7-11.43%), and 1-nonadecene (6.03-3.93%) have been detected as main compounds in all the plants collected, but at different concentrations depending on the collection area. The best fragrance and the highest yield were found in the oil from Kamoo area. Similarly to the chemical composition, the antimicrobial activity of the essential oils was affected by their origin, and essential oil obtained from plants collected from Kamoo area disclosed the highest antibacterial and antifungal efficacy. Its inhibition halos were 17.33±0.58 mm against Aspergillus brasiliensis, 15.67±0.58 mm against Staphylococcus aureus, and 12.33±0. 58 mm against Streptococcus pyogenes. Essential oils of R. damascena were also effective against Gram-negative Pseudomonas aeruginosa and they had a MIC value of 62.50 μg/mL irrespective of the collection area (except the oil from Javinan area). On the contrary, the highest antifungal power against Candida albicans yeast was reached using the essential oil obtained from plants collected in Javinan region (MIC and MBC ~62.50 μg/mL). Conclusions Overall results underline the influence of environmental conditions of the different areas of Kashan region, on the chemical composition of and antimicrobial activity of the essential oils of Rosa × damascena. In addition, results disclosed that Kamoo seemed to be the most suitable area for the competitive cultivation of R. × damascena to the intensive production of aromatic flower oil and natural antimicrobial essential oils.

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Comparison of the Chemical Composition and Antimicrobial Activity of Thymus serpyllum Essential Oils

Notulae Botanicae Horti Agrobotanici Cluj-Napoca ◽

10.15835/nbha4329899 ◽

2015 ◽

Vol 43 (2) ◽

pp. 432-438 ◽

Cited By ~ 5

Author(s):

Aneta WESOŁOWSKA ◽

Monika GRZESZCZUK ◽

Dorota JADCZAK ◽

Paweł NAWROTEK ◽

Magdalena STRUK

Keyword(s):

Antimicrobial Activity ◽

Chemical Composition ◽

Essential Oil ◽

Essential Oils ◽

Micrococcus Luteus ◽

Gas Chromatography Mass Spectrometry ◽

E Coli ◽

Thymus Serpyllum ◽

Main Components ◽

Total Oil

The chemical composition of the essential oils obtained by hydrodistillation from the aerial parts of Thymus serpyllum and Thymus serpyllum‘Aureus’ has been investigated by gas chromatography-mass spectrometry (GC-MS). Forty-seven compounds (99.67% of the total oil) wereidentified in the essential oil of T. serpyllum. The main components found in the oil were carvacrol (37.49%), -terpinene (10.79%), -caryophyllene (6.51%), p-cymene (6.06%), (E)--ocimene (4.63%) and -bisabolene (4.51%). Similarly, carvacrol (44.93%), -terpinene(10.08%), p-cymene (7.39%) and -caryophyllene (6.77%) dominated in the oil of T. serpyllum ‘Aureus’. A total of forty three compounds wereidentified in this oil, representing 99.49% of the total oil content. On the basis of the obtained data it was proved that the content of 1-octen-3-ol,eucalyptol, (Z)--ocimene, (E)--ocimene, -terpinene, carvacrol methyl ether, germacrene D and -bisabolene was significantly higher for T.serpyllum while T. serpyllum ‘Aureus’ was characterized by a significantly higher content of 3-octanone, 3-octanol, p-cymene, borneol andcarvacrol. The isolated essential oils were evaluated for their antimicrobial activity against nine reference strains (Escherichia coli, Staphylococcusaureus, Staphylococcus epidermidis, Streptococcus agalactiae, Enterococcus faecalis, Bacillus cereus, Micrococcus luteus, Proteus vulgaris and Candidaalbicans) by the microdilution technique. Based on this test, the minimum inhibitory concentrations (MIC) of essential oil were calculated. Thevolatile oil obtained from T. serpyllum showed the highest antimicrobial activity relative to the strain of E. coli (MIC=0.025 μL/mL) and to theyeast C. albicans (MIC=0.05 μL/mL). Similarly, a significant antimicrobial activity exhibited T. serpyllum ‘Aureus’ essential oil, although the MICvalues obtained in that case for E. coli and C. albicans strains were twice as high and were respectively 0.05 μL/mL and 0.1 μL/mL.

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Chemical Composition of the Essential Oil of Croton bonplandianus from India

Natural Product Communications ◽

10.1177/1934578x1400900234 ◽

2014 ◽

Vol 9 (2) ◽

pp. 1934578X1400900

Author(s):

Rajesh K. Joshi

Keyword(s):

Mass Spectrometry ◽

Gas Chromatography ◽

Chemical Composition ◽

Essential Oil ◽

Gas Chromatography Mass Spectrometry ◽

Caryophyllene Oxide ◽

Aerial Parts ◽

Sesquiterpene Hydrocarbons ◽

Germacrene D ◽

Total Oil

The essential oil obtained from the aerial parts of Croton bonplandianus Baill. was analyzed by gas chromatography (GC) and gas chromatography/mass spectrometry (GC/MS). A total of 37 compounds have been identified, representing 96.2% of the total oil. The main constituents were identified as β-caryophyllene (16.7%), germacrene D (14.7%), borneol (8.3%), Z-β-damascenone (6.(%), isobornyl acetate (6.2%), α-humulene (6.1%), germacrene A (5.2%) and caryophyllene oxide (4.5%). The oil was rich in sesquiterpene hydrocarbons (60.1%).

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Chemical Composition of the Essential Oils from the Flower, Leaf and Stem of Lonicera japonica

Natural Product Communications ◽

10.1177/1934578x1200700525 ◽

2012 ◽

Vol 7 (5) ◽

pp. 1934578X1200700

Author(s):

Nenad Vukovic ◽

Miroslava Kacaniova ◽

Lukas Hleba ◽

Slobodan Sukdolak

Keyword(s):

Mass Spectrometry ◽

Gas Chromatography ◽

Chemical Composition ◽

Essential Oil ◽

Essential Oils ◽

Lonicera Japonica ◽

Hexadecanoic Acid ◽

Plant Parts ◽

Aerial Parts ◽

Monoterpene Hydrocarbons

The essential oils from different aerial parts of Lonicera japonica have been extracted by hydro-distillation and analyzed by gas chromatography and gas chromatography coupled with mass spectrometry. Quantitative and qualitative differences were found between the analyzed plant parts. A total of eighty-nine compounds were identified. The main constituents were ( Z, Z)-farnesole (16.2%) and linalool (11.0%) for the flowers fraction, hexadecanoic acid (16.0%) and linalool (8.7%) for the leaves fraction, and hexadecanoic acid (31.4%) for the stems. Monoterpene hydrocarbons were absent from all the oils, and oxygenated sesquiterpenes were not identified in the essential oil of the stem.

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Chemical composition of essential oil extracted from leaves of Campomanesia adamantium subjected to different hydrodistillation times

Ciência Rural ◽

10.1590/0103-8478cr20151131 ◽

2017 ◽

Vol 47 (1) ◽

Cited By ~ 4

Author(s):

Juliana Dantas de Oliveira ◽

Daniely Karen Matias Alves ◽

Mayker Lazaro Dantas Miranda ◽

José Milton Alves ◽

Marcelo Nogueira Xavier ◽

...

Keyword(s):

Chemical Composition ◽

Essential Oil ◽

Essential Oils ◽

Oil Content ◽

Chemical Constituents ◽

Caryophyllene Oxide ◽

Fruit Species ◽

Randomized Design ◽

Completely Randomized Design

ABSTRACT: Campomanesia adamantium is a native fruit species of the Cerrado and is used in food and medicines and as bee pasture. The chemical composition of essential oils obtained from plants of the same species have varying constituent proportions due to the influence of extractive factors, environmental, genetic and ontogenetic. This study aimed to identify the influence of hydrodistillation time on the content and chemical composition of essential oil extracted from the leaves of C. adamantium . Treatments consisted of five extraction times (1, 2, 3, 4, and 5h) using Clevenger with five replications in a completely randomized design. It was observed that after two hours of hydrodistillation, the essential oil content remains constant. Regarding the chemical constituents of essential oil, variation of the proportions of the compounds tested occurred at all hydrodistillation times. The compounds spathulenol oxygenated sesquiterpenes and caryophyllene oxide were the majority in the five hydrodistillation times.

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Comparison of the Chemical Composition of Valeriana parviflora Essential Oils Collected in the Venezuelan Andes in two Different Seasons

Natural Product Communications ◽

10.1177/1934578x1501000433 ◽

2015 ◽

Vol 10 (4) ◽

pp. 1934578X1501000

Author(s):

Sammy Fernández ◽

María Rondón ◽

Janne Rojas ◽

Antonio Morales ◽

Luis Rojas-Fermin

Keyword(s):

Chemical Composition ◽

Essential Oil ◽

Essential Oils ◽

Endemic Species ◽

Rainy Season ◽

Climatic Conditions ◽

Isovaleric Acid ◽

Aerial Parts ◽

Different Seasons ◽

Main Components

The essential oils obtained by hydrodistillation of the aerial parts of Valeriana parviflora (Trevir) BM Vadillo, an endemic species of the Venezuelan Andes, collected from the same location in two different seasons (dry and rainy) of the year, were analyzed by GC/MS. The essential oil obtained during the dry season showed linalool (11.9%), eugenol (8.9%), p-menth-1-en-9-al (8.7%) and α-terpineol (7.7%) as main components, while the oil obtained from the rainy season collection showed o-xylol (16.2%), 3-methyl isovaleric acid (10.6%) and geranial (9.5%) as major compounds. Some of the differences in the composition of these oils might be due to the climatic conditions at the time of harvesting.

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Chemical Composition and in vitro Antimicrobial Activity of the Essential Oils of Two Helichrysum Species from Tanzania

Zeitschrift für Naturforschung C ◽

10.1515/znc-2004-5-614 ◽

2004 ◽

Vol 59 (5-6) ◽

pp. 368-372 ◽

Cited By ~ 52

Author(s):

Christos Bougatsos ◽

Olipa Ngassapa ◽

Deborah K. B. Runyoro ◽

Ioanna B. Chinou

Keyword(s):

Antimicrobial Activity ◽

Chemical Composition ◽

Essential Oils ◽

Pathogenic Fungi ◽

Caryophyllene Oxide ◽

In Vitro Antimicrobial Activity ◽

Aerial Parts ◽

Main Components

The chemical composition of the essential oils obtained from the aerial parts of Helichrysum cymosum and H. fulgidum, from Tanzania, were analyzed by GC and GC/MS. A total of sixty-five compounds, representing 92.4% and 88.2% of the two oils, respectively, were identified. trans-Caryophyllene, caryophyllene oxide, β-pinene, p-cymene, spathulenol and β- bourbonene were found to be the main components. Furthermore, the oils were tested against six gram (±) bacteria and three pathogenic fungi. It was found that the oil of H. fulgidum exhibited significant antimicrobial activity, while the oil of H. cymosum was not active at all.

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