Journal of essential oil-bearing plants JEOP (J ESSENT OIL BEAR PL )

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  • ISSN
    0972-060X

Publications in this journal

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    ABSTRACT: Bursera morelensis Ramírez is an endemic tree from Mexico that posses a relatively higher quantity of essential oil respect to others species of the same genus. This work was focused on the determination of the chemical composition of Bursera morelensis Ramírez essential oil and its anti-inflammatory activity when extracted by steam distillation from aerial parts. GC and GC-MS analyses displayed the presence of at least 17 components that constitute the essential oil including α-phellandrene, β-phellandrene, α-pinene, caryophyllene and p-cymene, as major components. Anti-inflammatory activity was evaluated by means of the carrageenin induced rat paw edema model, displaying a positive anti-inflammatory behavior comparable to Dexamethasone as reference standard. Results justify the use of B. morelensis Ramírez as antiinflamatory in the traditional medicine, nevertheless, further studies are required to best understand its mechanism of action.
    Journal of essential oil-bearing plants JEOP 12/2014; 17(5):758-768.
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    ABSTRACT: Water-distilled essential oil from leaves of Erica arborea L. of Algerian origin was analysed by GC-MS. 75 components representing more than 97 % of the essential oil were identified among which palmitic acid (33.3 %), 9,12,15-Octadecatrien-1-ol, (Z,Z,Z)-(6.6 %) and nonacosane (6.1 %) were the major constituents. The essential oil yield evolution during hydrodistillation showed a relatively slow extraction kinetic.
    Journal of essential oil-bearing plants JEOP 12/2014; 17(5):931-935.
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    ABSTRACT: The essential oil content in the aerial parts of the native species Francoeuria undulata growing wild in the south of Iran was found to be 0.7 % based on the fresh weight. The oil was analyzed by GC and GC-MS. Forty two constituents, representing 96.9 % of the oil were identified. The major components of the oil were α-bisabolol (17.5 %), chrysanthenone (12.5 %), 1,8-cineol (10.7 %), trans-thujone (9.7 %) and linalool (6.6 %).
    Journal of essential oil-bearing plants JEOP 12/2014; 17(5).
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    ABSTRACT: Achillea L. is one of the most important genera of the family Asteraceae. The aerial parts of Achillea wilhelmsii C. Koch and A. kellalensis Boiss. & Hausskn. have been used for treatment of gastric disorders by the ethnic communities of Chaharmahal va Bakhtiari province, southwestern Iran. This study determined chemical compositions of essential oils from the flowers and leaves of A. wilhelmsii and A. kellalensis collected from natural habitats in southwestern Iran. The highest oil yields were obtained from the leaves of A. wilhelmsii with 0.68 ml / 100 g dry matter and the leaves of A. kellalensis with 0.33 ml / 100 g dry matter. Results indicated significant differences among the flowers and leaves for the main constituents in the essential oils from A. wilhelmsii and A. kellalensis. The major constituents of the essential oils from the flowers and leaves of A. wilhelmsii were lavandulyl acetate (trace to 26.2%), chrysanthenone (0.0 to 18.3%), 1,8-cineole (5.5 to 17.2%), linalool (0.8 to 16.1%), camphor (0.5 to 16.6%), borneol (0.0 to 6.5%), α-pinene (2.7 to 6.5%), and lavandulol (trace to 6.0%). The main compositions of the essential oils from the flowers and leaves of A. kellalensis were chamazulene (49.0 to 52.6%), α-bisabolol (20.5 to 25.1%), β-myrcene (2.8 to 3.7%), and α-pinene (1.6 to 4.5%). Generally, the essential oils from the flowers and leaves were characterized by high levels of oxygenated sesquiterpenes for the essential oils of A. kellalensis and high levels of oxygenated monoterpenes for the essential oils of A. wilhelmsii.
    Journal of essential oil-bearing plants JEOP 10/2014;
  • Journal of essential oil-bearing plants JEOP 09/2014; 17(4):‎584-598..
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    ABSTRACT: The composition of essential oils obtained from the seeds of Foeniculum vulgare Mill. and Cuminum cyminum L. were analysed using GC and GC-MS. The antimicrobial activities of the essential oils were conducted by disc diffusion method and minimum inhibitory concentration (MIC) by agar dilution method. The essential oils of the seeds of F. vulgare showed maximum zone of inhibition 33 mm against S. typhimurium and 28 mm against E. coli respectively, while C. cyminum showed zone of inhibition 22 mm and 17 mm against S. typhimurium and E. coli respectively. MICs of essential oils were tested at concentration ranging from 2.0 to 0.0075 % (v/v). The F. vulgare essential oil showed lowest MIC values 0.031 and 0.062 % (v/v) against S. typhimurium and E. coli respectively, while C. cyminum showed MIC vaules 0.125 and 0.250 % (v/v) against S. typhimurium and E. coli respectively. The results showed that essential oil of F..vulgare is more effective than C. cyminum and S. typhimurium is more susceptible for the tested spices as compared to E.coli .The GC-MS data showed the main component found in F. vulgare Mill essential oil was identified as trans-anethole (50.4 %), methylchavicol (22.4 %), limonene (11.4 %) and fenchone (11.1 %) whereas γ-terpin-7-al (22.9 %), γ-terpinene (22.6 %), β-pinene (22.2 %) and cuminaldehyde (13.1 %) were the major compounds in C. cyminum L.
    Journal of essential oil-bearing plants JEOP 09/2014; 17(4):2014.
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    ABSTRACT: Achillea biebersteinii Afan. (Asteraceae) is used as a traditional medicine for healing wounds and in the treatment of abdominal pain and stomach ache. Fresh and air dried flowering parts of A. biebersteinii at different growth stages were subjected to hydro-distillation and the different essential oils obtained were analyzed by GC-MS technique. Monoterpenoids dominated the different flowering stages of both, fresh and air dried flowering parts. The fresh pre-flowering stage was dominated by monoterpene hydrocarbons (56.62 %) with α-terpinene as the major component (51.67 %). Oxygenated monoterpenes were detected as the principal constituents during both, the fresh flowering and fresh post-flowering stages (55.61 %, 56.45 %, respectively). The major representatives of this class included ascaridol (38.84 %) and iso-ascaridol (25.39 %). Oxygenated monoterpenes dominated all flowering stages of the air-dried blooms and ascaridol was the main volatile compound in these oils (28.20 %, 27.03 % and 44.39 %, respectively). The oil of the dried mature flowering blooms of A. biebersteinii exhibited dose-dependent inhibition of the platelet aggregation caused by ADP and collagen.
    Journal of essential oil-bearing plants JEOP 09/2014;
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    ABSTRACT: Denaei Thyme (Thymus daenensis Celak.) is a perennial plant from Lamiaceae family. The plant's leaves possess biological attributes that provide it with the potential to be used for medicinal purposes and newly for suppressing the growth of herbaceous plants. In this study essential oil (EO) compositions and phytotoxic effects of four T. deanensis ecotypes (ECTPs) of T. deanensis were evaluated on Amaranthus retroflexus, Avena fatua, Datura stramonium and Lepidium sativum germination and related growth traits.For this purpose, thyme plants were collected from different ecological locations of Fars Province, Iran to identify EOs content and compositions and also their phytotoxic activity. Gas chromatography (GC) and GC-Mass spectrometry (GC-MS) analysis of the EOs showed that thymol (20 - 60.5 %) and carvacrol (20.1 - 63.4 %) were the two major oil components found in the studied ECTPs. For evaluating phytotoxic activity, the concentrations, 0, 200, 400, 600, 800 and 1000 µl l-1 of the EOs were tested in vitro against seeds and their effect on germination percentage and rate, root and shoot length, fresh and dry weight of seedlings were determined. In general, higher EO concentration resulted in lower germination percentage and/or rate in all studied species. The overall results of germination test represent a reduction in germination percentage of most species at concentration of 200 µl l-1. The results reported herein suggest that herbicidal properties of the four ECTPs could be due to their EO concentrations and have potential as natural herbicides.
    Journal of essential oil-bearing plants JEOP 09/2014; 17(5).
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    ABSTRACT: The essential oil from the aerial parts of Ocimum canum grown in Togo was extracted by steam distillation. An analysis using Gas Chromatography (GC) and Gas Chromatography-Mass spectrometry (GC-MS) was carried to determine the oil percentage composition and to investigate its in vitro anti-termite activity by inhalation method. The extracted oil contained mainly terpineol-4 (39.40 %), linalool (23.80 %), γ-terpinene (6.70 %), (E)-α-bergamotene (6.20 %) and β-caryophyllene (5.30 %). The in vitro anti-termite activity of the volatile oil and its major components revealed an insecticidal activities on the termite species Macrotermes subhyalinus. At 1 µ.L-1 concentration the extracted oil caused a 100 % mortality of all individuals after 24 hours of exposure. The concentrations of 0.6 and 0.8 µl.L-1 respectively. Terpineol-4 and linalool also caused 100 % mortality after an exposure time of 24 hours. To compare with the commercial pesticide (Dursban) used as positive standard control, just a concentration of 0.6 µl.L-1 was necessary to kill 100 % of the tested termites after an exposure time of 24 hours. Terpineol-4 presented the weakest LD of 0.0628 µl.L-1 compared to Dursban:0.2472 µl.L-1; linalool: 0.2993 µl.L-1 and O. canum oil: 0.4004 µl.L-1. These findings indicated that the tested essential oil and its major components are a potential anti-termite alternatives to synthetic chemical pesticide in the termite control.
    Journal of essential oil-bearing plants JEOP 09/2014; 17(5).
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    ABSTRACT: The hydrodistilled essential oils of the fresh flowers and the remaining green aerial parts of Solidago canadensis L., family Asteraceae, recently introduced into Egypt were investigated by GC-MS analysis. A comparative study on the composition of the essential oils obtained in the four seasons of the year was carried out to assess the effect of seasonal variation on the collected oil samples. The major compounds detected in the oil samples of all seasons were germacrene D (9.86-29.47 %), α-pinene (3.38-29.17 %), γ-cadinene (0.39-20.36 %), myrecene (2.98-13.74 %) and limonene (4.81-11.47 %). Summer samples contained the highest percentage of monoterpene hydrocarbons, while winter samples showed the highest percentage of sesquiterpene hydrocarbons. Oil samples collected in summer and winter showed potential cytotoxic activity against human liver, breast and cervix carcinoma; Hepg2, MCF7 and Hela respectively. Winter samples showed a relatively higher cytotoxic activity compared to the summer samples.
    Journal of essential oil-bearing plants JEOP 09/2014; 17(5).
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    ABSTRACT: The composition of the essential oil of the leaves and flowers of A. africanus from Nigeria were analyzed by GC-MS. Thirty-two compounds representing 88.7 % of the essential oil were characterized from the leaves parts of A. africanus. The essential oil was dominated by 2-(1,1-dimethylethoxy)-ethanol (22.97 %), caryophyllene oxide (18.56 %), 1,2,4-Trimethylbenzene (10.0 %), 1-Ethyl-1,4-dimethylbenzene (5.76 %) and hexahydrofarnesyl acetone (4.42 %). A total of 35 compounds, representing 93.9 % of the total oil were identified from flowers parts of A. africanus. The major constituents were caryophyllene oxide (51.6 %), β-caryophyllene (5.70 %), humulene-1,2-epoxide (5.43 %) and geranylacetone (4.32 %). The antioxidant potential of the leaves and flowers essential oils of A. africanus was determined on the basis of scavenging activity of the stable 1,1-diphenyl-2-picryl hydrazyl (DPPH) free radical. The percentage inhibitions of the leaves and flowers essential oils were 50.01 and 58.49 % respectively higher than 13.84 % for the positive control, ascorbate. The results provide a support for the use of this plant in traditional medicine for possessing considerable therapeutic potential. The results also supported further studies on A. africanus.
    Journal of essential oil-bearing plants JEOP 09/2014; 17(5).
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    ABSTRACT: Essential oil extracted by hydrodistillation from Iranian Carum copticum was characterized by means of GC-MS. In the case of C. copticum, ten compounds were identified representing the 94.1 % of the total oil with a yield of 0.91 % w/w. The major constituents of the oil were described as p-cymene (11.03 %), γ-terpinene (20.0 %) and thymol (45.6 %). The essential oil was also subjected to antimicrobial, antioxidant and antiinflammatory activities. The essential oil was particularly active against Candida parapsilosis, with the lowest MIC and MBC value (1.5±0.11 and 1.5±0.10 mg/ml). Furthermore, the essential oil and its main compounds showed a potent NO scavenging effect and inhibited inducible NO synthase expression. These results support the use of the essential oil and its main compounds for their anti-inflammatory properties and antimicrobial activity.
    Journal of essential oil-bearing plants JEOP 09/2014; 17(5).
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    ABSTRACT: Group B streptococci are the cause of dangerous infections both of neonatal and obstetrical sepsis; they also affect pregnant women and elderly patients with chronic underlying medical conditions. The aim of this work was to investigate the antimicrobial activity of cinnamon bark oil obtained from Cinnamomum zeylanicum Ness against clinical strains of group B streptococci. Materials and methods: The antibacterial activity of oil was tested against standard and clinical bacterial strains of Streptococcus agalactiae. The agar dilution method was used to check the inhibition of microbial growth at various concentrations of the cinnamon bark oil. Susceptibility testing to antibiotics was carried out with the use of a disc-diffusion method. The cinnamon bark oil exhibits anti-GBS activity at the very low concentrations. It is also efficacious against MLSb-positive S. agalactiae strains isolated from the anus and vagina of women at 35-37 weeks of pregnancy. Cinnamon bark oil demonstrated a very good antibacterial activity against clinical S. agalactiae strains. It can be used as the alternative to the chemicals administered against GBS isolates.
    Journal of essential oil-bearing plants JEOP 09/2014; 17(5).
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    ABSTRACT: The objective of present study was to compare essential oil components of Salvia forskahlei L. collected from nature and cultivated. Experiment materials were collected from Zonguldak province (in Turkey) and cultivated in Faculty of Agriculture of Ankara University. Essential oil components were analyzed by GC-MS. According to results, there were significant differences in terms of essential oil content and components of Salvia forskahlei. The essential oil content varied from 0.01 to 0.10 %. The essential oil components varied depending on climatic and geographic factors. Thirteen components in Salvia forskahlei were determined in nature and germacrene D and β-caryophyllene were the main components of essential oil, representing 19.4 % and 23.6 %, respectively. Germacrene D (29.2 %), α-cadinol (21.2 %) and δ-cadinene (20.5 %) were the major components at first, second and third cutting of 2008, respectively.
    Journal of essential oil-bearing plants JEOP 09/2014; 17(5).
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    ABSTRACT: To investigate the effects of zinc nutritional treatments (1 and 2 mg kg-1 in soil application and 1 and 3 g L-1 in foliar application) and moisture regimes (2, 4 and 8 days irrigation intervals) on growth parameters and essential oil of costmary (Chrysanthemum balsamita L.), a pot experiment was conducted. Growth characteristics were significantly decreased as irrigation intervals were increased. Moreover, essential oil content and yield were significantly increased and reduced under water deficit, respectively. Zinc had an additive effect on growth parameters, essential oil content and yield. Oxygenated monoterpenes (especially carvone) were appointed as the most principle class of essential oil constituents. Regardless of zinc nutrition, the highest and the lowest carvone content were observed in 4 and 8 irrigation intervals, respectively. Zinc had also, additive effect on carvone content. The results showed that the effects of zinc and moisture regimes on oil composition appear to be variable.
    Journal of essential oil-bearing plants JEOP 09/2014; 17(5).
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    ABSTRACT: The effects of oregano, sage and rosemary essential oils on lipid oxidation and color properties of minced beef during refrigerated storage for 10 days were investigated. Minced meats were divided into four treatment groups and were homogenized with 2 % (w/w) of oregano essential oil, sage essential oil and rosemary essential oil separately. Samples in the control treatment had no essential oils added. The results of the present study show that adding essential oils protect minced beef against lipid oxidation and extend the shelf-life of minced meat during refrigerated storage. Oregano, rosemary and sage essential oil treatments demonstrate higher antioxidant activity and L* values when compared to control treatment. Oregano and sage treatment have lower oxidation of minced beef than rosemary and control treatment. Oregano essential oil showed the highest antioxidant activity, when compared to the control and the others groups. In conclusion, the best antioxidative effects were obtained from oregano essential oil.
    Journal of essential oil-bearing plants JEOP 09/2014; 17(5).