| diterpenes from the berries of juniperus excelsa. | from the hexane extract of berries of juniperus excelsa, one new and four known diterpenes were isolated besides a known sesquiterpene. the structures of the known diterpenes were identified as isopimaric, isocommunic, (-)ent-trans communic and sandracopimaric acids, along with the sesquiterpene 4a-hydroxycedrol and the new compound which was elucidated as 3 alpha-acetoxylabda-8(17),13(16),14-trien-19-oic acid (juniperexcelsic acid). cytotoxic activity of the hexane extract was investigated agai ... | 1999 | 10234860 |
| geographic variation in leaf essential oils and rapds of juniperus polycarpos k. koch in central asia. | variations in the composition of the leaf essential oils and dna fingerprints (rapds) of juniperus excelsa, j. polycarpos, j. seravschanica, and j. turcomanica were examined. juniperus procera was also included in the analyses to aid in determining the specific status of j. polycarpos. based on these analyses, j. polycarpos is recognized as a distinct species from j. excelsa. the common, multi-seeded juniper of central asia is j. polycarpos. juniperus seravschanica and j. turcomanica are treated ... | 2001 | 11336810 |
| evaluation of growth potential of crimean juniper (juniperus excelsa bieb.) seedlings for the first growing season under tekir forest nursery conditions in kahramanmaras, turkey. | in this study, growth potential of crimean juniper (juniperus excelsa bieb.) seedlings for the first growing season under tekir forest nursery conditions in kahramanmaras was evaluated. the height growth of crimean juniper seedlings was relatively close to that of lebanon cedar (cedrus libani a. rich.) seedlings produced in the same nursery, but their root collar diameters were fairly lower than that of lebanon cedar seedlings. according to coniferous seedling standards of turkish standards inst ... | 2003 | 12974456 |
| quantifying carbon budgets of conifer mediterranean forest ecosystems, turkey. | aboveground biomass, aboveground litterfall, and leaf litter decomposition of five indigenous tree stands (pure stands of pinus brutia, pinus nigra, cedrus libani, juniperus excelsa, and a mixed stand of abies cilicica, p. nigra, and c. libani) were measured in an eastern mediterranean evergreen needleleaf forest of turkey. measurements were converted to regional scale estimates of carbon (c) stocks and fluxes of forest ecosystems, based on general non-site-specific allometric relationships. mea ... | 2006 | 16741812 |
| antioxidant activity of leaves and fruits of iranian conifers. | cupressus semipervirens var. horizontalis, cupressus semipervirens var. semipervirens, cupressus semipervirens cv. cereifeormis, juniperus communis subsp. hemisphaerica, juniperus excelsa subsp. excelsa, juniperus excelsa subsp. polycarpos, juniperus foetidissima, juniperus oblonga, juniperus sabina, platycladus orientalis and taxus baccata are iranian conifers. the antioxidant activity of leaves and fruits of these 11 different taxons were evaluated. the leaves of both male and female, and frui ... | 2007 | 17965761 |
| [genetical control of the allozymes in juniper (juniperus excelsa bieb.) of the crimea]. | genetical control of nine enzyme systems has been studied in preserved juniper species (juniperus excelsa bieb.) of the natural population of the mountain crimea. isozymes were extracted from the haploid seed endosperms and separated elecrophoretically. as a result 16 loci have been identified. fourteen of them were polymorphic (14--gdh, got-1, mdh-1, mdh-2, mdh-3, acp-1, acp-2, acp-3, lap-1, dia-1, fdh, sod-1, sod-2, sod-3). analysis of the allele segragation of the heterozygous trees confirmed ... | 2007 | 18030721 |
| site properties for crimean juniper (juniperus excelsa) in semi-natural forests of south western anatolia, turkey. | we explored the semi-natural forests in south western anatolia along a gradient between mediterranean and continental climates to determine the site requirements of juniperus excelsa in turkey. we hypothesized that environmental variables and indicator species can be used to predict differences in occurrence and cover of j. excelsa and can therefore support decision making in reforestation management planning. plant species composition and environmental variables were assessed in 153 plots. asso ... | 2010 | 20648818 |
| insights into cholinesterase inhibitory and antioxidant activities of five juniperus species. | in vitro acetylcholinesterase (ache) and butyrylcholinesterase (bche) inhibitory and antioxidant activities of the aqueous and ethanol extracts of the leaves, ripe fruits, and unripe fruits of juniperus communis ssp. nana, juniperus oxycedrus ssp. oxycedrus, juniperus sabina, juniperus foetidissima, and juniperus excelsa were investigated in the present study. cholinesterase inhibition of the extracts was screened using elisa microplate reader. antioxidant activity of the extracts was tested by ... | 2011 | 21708212 |
| analysis of antimicrobial, antifungal and antioxidant activities of juniperus excelsa m. b subsp. polycarpos (k. koch) takhtajan essential oil. | juniperus excelsa m.b subsp. polycarpos (k.koch), collected from south of iran, was subjected to hydrodistillation using clevenger apparatus to obtain essential oil. the essential was analyzed by gas chromatography/mass spectrometry (gc/ms) and studied for antimicrobial, antifungal and antioxidant activities. the results indicated +¦-pinene (67.71%) as the major compound and +¦-cedral (11.5%), +¦3-carene (5.19%) and limonene (4.41%) in moderate amounts. antimicrobial tests were carried out using ... | 2010 | 21808554 |
| Molecular characterization and RAPD analysis of Juniperus species from Iran. | The genus Juniperus L. (Cupressaceae), an aromatic evergreen plant, consists of up to 68 species around the world. We classified five species of Juniperus found in Iran using molecular markers to provide a means for molecular identification of Iranian species. Plants were collected (three samples of each species) from two different provinces of Iran (Golestan and East Azarbayejan). The DNA was extracted from the leaves using a Qiagen Dneasy Plant Mini Kit. Amplification was performed using 18 te ... | 2011 | 21710457 |
| Pharmacological explanation for the medicinal use of Juniperus excelsa in hyperactive gastrointestinal and respiratory disorders. | Crude extract of Juniperus excelsa (JeExt), which tested positive for the presence of anthraquinone, flavonoids, saponins, sterols, terpenes and tannin, exhibited a protective effect against castor oil-induced diarrhoea in mice at 100-1000 mg/kg. In rabbit jejunum preparations, JeExt (0.01-1.0 mg/mL) caused relaxation of spontaneous and K(+) (80 mM)-induced contractions at similar concentrations to papaverine, whereas verapamil was relatively more potent against K(+). JeExt (0.03-0.3 mg/mL) shif ... | 2011 | 22134420 |
| high genetic diversity with moderate differentiation in juniperus excelsa from lebanon and the eastern mediterranean region. | juniperus excelsa is an important woody species in the high mountain ecosystems of the eastern mediterranean basin where it constitutes the only coniferous species found at the tree line. the genetic diversity within and among j. excelsa populations of the eastern mediterranean basin is studied in the light of their historical fragmentation. | 2011 | 22476474 |