| allergic contact dermatitis from dittrichia viscosa (l.) greuter. | 9 cases of contact sensitivity to dittrichia viscosa, mainly with an airborne pattern, are described. all patients reacted to the fresh leaf of the plant and to its ethereal extracts at 1 and 0.5% pet., and some of them also to that at 0.1% pet. positive reactions to frullania dilatata, laurus nobilis, some other members of the compositae, and helenin were observed, suggesting the diagnosis of a sesquiterpene-lactone-induced allergic contact dermatitis. | 1991 | 2044368 |
| [preliminary study of the anti-inflammatory action of dittrichia viscosa (l.) w. greuter]. | | 1988 | 3256265 |
| [effects of various extracts of dittrichia viscosa (l.) w. greuter on experimental gastric ulcer]. | | 1988 | 3268035 |
| gastroprotection and prostaglandin e2 generation in rats by flavonoids of dittrichia viscosa. | investigations were carried out to determine the gastroprotective effects of the flavonoid fraction of dittrichia viscosa (l.) w. greuter against gastric lesions produced by necrotizing agents. the action of the fraction on the production of mucus, and the involvement of endogenous pgs in gastric mucosal defensive mechanisms were also determined. gastric ulcers induced by oral administration of three necrotic agents (100% ethanol, 0.6 n hcl, 30% nacl) were markedly reduced by pretreatment with t ... | 1993 | 8302946 |
| search for antiviral activity in higher plant extracts. | in the course of our search for plant natural products as antiviral agents, extracts of ten plants from the iberian peninsula were tested for antiviral activity against herpes simplex type i (hsv-1), vesicular stomatitis virus (vsv) and poliovirus type 1. aqueous extracts of five of these medicinal plants, namely nepeta nepetella (150-500 microg/ml), nepeta coerulea (150-500 microg/ml), nepeta tuberosa (150-500 microg/ml), dittrichia viscosa (50-125 microg/ml) and sanguisorba minor magnolii (50- ... | 2000 | 11113996 |
| screening of selected plant extracts for in vitro inhibitory activity on human immunodeficiency virus. | as part of our screening of anti-aids agents from natural sources, extracts of 15 medicinal plants widely used in the folk medicines of north america and europe were evaluated in vitro. most of the extracts tested were relatively nontoxic to human lymphocytic mt-2 cells, but only the extracts of hysopp officinalis and dittrichia viscosa exhibited anti-hiv activity in an in vitro mtt assay. the 50% hydroalcohol extract of hysopp officinalis and the aqueous extract of dittrichia viscosa showed inh ... | 2002 | 12237813 |
| in vitro anti-helicobacter pylori activity of greek herbal medicines. | in this paper, we have studied the anti-helicobacter pylori effect of 70 greek plant extracts and a number of commercially available herbs used traditionally in folk medicine against gastric ailments, peptic ulcer included. the extracts of anthemis melanolepis, cerastium candidissimum, chamomilla recutita, conyza albida, dittrichia viscosa, origanum vulgare and stachys alopecuros have been proved active against one standard strain and 15 clinical isolates of h. pylori. | 2003 | 12963139 |
| antimony distribution and mobility in topsoils and plants (cytisus striatus, cistus ladanifer and dittrichia viscosa) from polluted sb-mining areas in extremadura (spain). | a study about topsoil antimony distribution and mobility from the soils to the biomass has been afforded in three abandoned sb mining areas located at extremadura. physico-chemical characteristics of the soils and total antimony levels were measured in soils and autochthonous plant species (cytisus striatus, cistus ladanifer and dittrichia viscosa). comparison with corresponding values in reference areas isolated from the mining activities is discussed. antimony mobility in the soils was estimat ... | 2007 | 16730108 |
| cadmium accumulation and its effect on the in vitro growth of woody fleabane and mycorrhized white birch. | the effect of cd on woody fleabane (dittrichia viscosa (l.) greuter) and white birch (betula celtiberica rothm. & vasc.) was examined. woody fleabane and white birch were grown in vitro in murashige, t., skoog, f., [1962. a revised medium for rapid growth and bioassays with tobacco tissue cultures. physiol. plant. 15, 473-479] (ms) plus cd (10 mg cd kg(-1)) and except for root length in white birch, plant development was inhibited when cd was added. cd accumulation in above-ground tissues showed ... | 2008 | 17719154 |
| susceptibility of helicobacter pylori to essential oil of dittrichia viscosa subsp. revoluta. | the essential oil of dittrichia viscosa subsp. revoluta and its fractions were assessed for anti-helicobacter activity. the essential oil was isolated by hydrodistillation, submitted to flash column chromatography and analysed by gas chromatography, gas-chromatography coupled to mass spectrometry and (13)c-nuclear magnetic resonance. the anti-helicobacter activity was determined by incorporation of the crude essential oil and oxygenated fractions of the oil into the culture medium. at a concentr ... | 2008 | 18167052 |
| chemical composition and in vitro activity of plant extracts from ferula communis and dittrichia viscosa against postharvest fungi. | f. communis and d. viscosa are perennial mediterranean weeds that have been used for different therapeutic purposes in traditional pharmacopeia. plant extracts were obtained from air dried d. viscosa young shoots (dva) and f. communis aerial part (fca) and roots (fcr) with n-hexane. the chemical compositions of the extracts were analyzed by hplc-dad, lc-ms (esi) and lc-q-tof techniques. two sesquiterpene lactones (inuviscolide, tomentosin) and three sesquiterpene acids (costic acid, hydroxycosti ... | 2011 | 21441864 |
| methyl 2-(3a,8a-dimethyl-4-oxodeca-hydro-azulen-6-yl)acrylate. | the title compound, c(16)h(24)o(3), was synthesized from ilicic acid, which was isolated from the aerial part of inula viscosa- (l) aiton [or dittrichia viscosa- (l) greuter]. the asymmetric unit contains two independent mol-ecules, in each of which the seven-membered ring shows a chair conformation, whereas the five-membered ring presents disorder. in the two molecules, three c atoms in the five-membered ring are disordered over two positions with site-occupancy factors of 0.53/0.47 and 0.83/0. ... | 2011 | 22091196 |
| chemical composition, antibacterial, antibiofilm and synergistic properties of essential oils from eucalyptus globulus labill. and seven mediterranean aromatic plants. | essential oils (eos) from eucalyptus globulus labill. ssp. globulus and from mediterranean autochthonous aromatic plants - thymus mastichina l., mentha pulegium l., rosmarinus officinalis l., calamintha nepeta (l.) savi ssp. nepeta, cistus ladanifer l., foeniculum vulgare l., dittrichia viscosa (l.) greuter ssp. viscosa - were extracted by hydrodistillation and characterized by gc-fid and nmr spectroscopy. eos were evaluated for antimicrobial properties against several bacterial strains, using d ... | 2017 | 28281322 |
| árnica: a multivariate analysis of the botany and ethnopharmacology of a medicinal plant complex in the iberian peninsula and the balearic islands. | medicinal plant complexes of different species sharing vernacular names, morphological and aromatic characteristics and uses are common in traditional medicine of different cultures. a quantitative methodology as a tool for ethnopharmacological studies is presented for systematically analyzing morphological and therapeutic features shared by several species integrating such complexes. | 2012 | 22947388 |
| response of spontaneous plants from an ex-mining site of elba island (tuscany, italy) to metal(loid) contamination. | the release of large amounts of toxic metals in the neighboring sites of abandoned mine areas represents an important environmental risk for the ecosystem, because it adversely affects soil, water, and plant growth. the aim of the present study was to investigate the metal(loid) (as, cr, cu, ni, pb, and zn) contents of native mediterranean plants grown on the ex-mining area of elba island (italy), with the prospective of its recovery by further phytoremediation technology. soil samples were coll ... | 2017 | 28130721 |
| simulation of germination of pioneer species along an experimental drought gradient. | the germination of ten plant species from the iberian peninsula was assessed along a water deficit gradient between -0. 1652 (moist) and -0.4988 mpa (dry) of osmotic potential, created by addition of increasing concentrations of polyethylene glycol (peg 6000) to distilled water in which plants were grown hydroponically. the level and rate of germination of daucus carota and thapsia villosa significantly decreased with decreasing psi. seeds of dactylis glomerata and dittrichia viscosa had positiv ... | 2006 | 17405330 |
| the potential of native species as bioenergy crops on trace-element contaminated mediterranean lands. | the establishment of energy crops could be an option for the management of degraded and contaminated lands, where they would not compete with food production for land use. here, we aimed to explore the potential of certain native mediterranean species for the revegetation of contaminated lands for energy production purposes. a field survey was conducted in a trace-element (te) contaminated area from sw spain, where the patterns of biomass production, te accumulation and the calorific value of so ... | 2017 | 28288419 |
| effect of smoke, charred wood, and nitrogenous compounds on seed germination of ten species from woodland in central-western spain. | the effect of smoke, charred wood, and nitrogenous compounds on germination was tested on 10 species of the cistaceae, poaceae, fabaceae, and asteraceae, from fire-prone, shrubby woodlands in central-western spain. dry seeds were exposed to smoke, by watering with distilled water-charred wood suspensions, or nano2, kno3, nh4cl, and nh4no3. smoke enhanced germination in 9 of 10 of the species. in species of poaceae, germination was stimulated by 20 min of smoke exposure. in asteraceae and fabacea ... | 2003 | 12647865 |
| evaluation of native plant flower characteristics for conservation biological control of prays oleae. | several studies have shown that manipulating flowering weeds within an agroecosystem can have an important role in pest control by natural enemies, by providing them nectar and pollen, which are significant sources of nutrition for adults. the aim of this study was to assess if the olive moth, prays oleae (bernard, 1788) (lepidoptera: praydidae), and five of its main natural enemies, the parasitoid species chelonus elaeaphilus silvestri (hymenoptera: braconidae), apanteles xanthostigma (haliday) ... | 2016 | 26780918 |
| allelopatic potential of dittrichia viscosa (l.) w. greuter mediated by vocs: a physiological and metabolomic approach. | dittrichia viscosa (l.) w. greuter is a pioneer species belonging to the compositae family. it is widespread in the mediterranean basin, where it is considered invasive. it is a source of secondary metabolites, playing an important ecological role. d. viscosa plant extracts showed a phytotoxic activity on several physiological processes of different species. in the current study, the allelopathic potential of d. viscosa vocs, released by its foliage, was evaluated on seed germination and root gr ... | 2017 | 28085959 |
| angioedema-like airborne contact dermatitis caused by dittrichia viscosa (l.) greuter in a hunter. | | 2016 | 27870099 |
| native-invasive plants vs. halophytes in mediterranean salt marshes: stress tolerance mechanisms in two related species. | dittrichia viscosa is a mediterranean ruderal species that over the last decades has expanded into new habitats, including coastal salt marshes, ecosystems that are per se fragile and threatened by human activities. to assess the potential risk that this native-invasive species represents for the genuine salt marsh vegetation, we compared its distribution with that of inula crithmoides, a taxonomically related halophyte, in three salt marshes located in "la albufera" natural park, near the city ... | 2016 | 27148301 |
| plants increase arsenic in solution but decrease the non-specifically bound fraction in the rhizosphere of an alkaline, naturally rich soil. | we aimed at determining the major physical-chemical processes that drive arsenic (as) dynamic in the rhizosphere of four species (holcus lanatus, dittrichia viscosa, lotus corniculatus, plantago lanceolata) tested for phytostabilization. experiments were performed with an alkaline soil naturally rich in as. composition of the soil solution of planted and unplanted pots was monitored every 15 days for 90 days, with a focus on the evolution of as concentrations in solution and in the non-specifica ... | 2016 | 26707185 |
| allergic contact dermatitis due to dittrichia viscosa. | | 2016 | 26422717 |
| airborne contact dermatitis from dittrichia viscosa. | | 2015 | 25898702 |
| the genus inula and their metabolites: from ethnopharmacological to medicinal uses. | the genus inula comprises more than one hundred species widespread in temperate regions of europe and asia. uses of this genus as herbal medicines have been first recorded by the greek and roman ancient physicians. in the chinese pharmacopoeia, from the 20 inula spp. distributed in china, three are used as traditional chinese medicines, named tumuxiang, xuanfuhua and jinfeicao. these medicines are used as expectorants, antitussives, diaphoretics, antiemetics, and bactericides. moreover, inula he ... | 2014 | 24754913 |
| evaluation of anti-oxidant and acetylcholinesterase activity and identification of polyphenolics of the invasive weed dittrichia viscosa. | the bioactive metabolites derived from weeds have attracted the interest of the food and pharmaceutical industries due to their health benefits. | 2015 | 24733603 |
| strategies for cd accumulation in dittrichia viscosa (l.) greuter: role of the cell wall, non-protein thiols and organic acids. | dittrichia viscosa (l.) greuter is plant species commonly found in degraded zones of asturias (spain), where it accumulates high levels of cd, but the mechanisms involved in this response in non-model plants have not been elucidated. in this way, we analysed the fraction of the total cd bound to the cell walls, the ultrastructural localization of this metal, and non-protein thiol and organic acid concentrations of two clones of d. viscosa: dv-a (from a metal-polluted soil) and dv-w (from a non-p ... | 2014 | 24636908 |
| cd-induced phytochelatin synthesis in dittrichia viscosa (l.) greuter is determined by the dilution of the culture medium. | in this paper, we examined cd accumulation and pc synthesis in two clones of dittrichia viscosa, one with a metallicolous (dv-a) and the other with a non-metallicolous origin (dv-w). the clones were cultured in vitro with 0 and 10 mg cd l(-1) in both short-term treatments (up to 72 h) and over 10 days. we also examined the influence of the culture medium dilution and the pc-synthesis inhibitor, l-buthionine-sulfoximine (bso), on these parameters. similar cd accumulation values were found in the ... | 2014 | 23881590 |
| discrimination of two natural biocontrol agents in the mediterranean region based on mitochondrial dna sequencing data. | macrolophus pygmaeus and m. melanotoma (hemiptera: miridae) are biological control agents used in greenhouse crops, the former preferring plants of the solanaceae family and the latter the aster dittrichia viscosa. the discrimination of these species is of high significance for effective biological pest control, but identification based on morphological characters of the host plant is not always reliable. in this study, sequencing analysis of mitochondrial gene segments 12s rdna and coi has been ... | 2013 | 23839086 |
| growth and physiological responses to cadmium stress of two populations of dittrichia viscosa (l.) greuter. | two clones of dittrichia viscosa (l.) greuter from contrasting populations, dv-a (metallicolous) and dv-w (non-metallicolous), were studied to compare cd accumulation and tolerance. after 10 days of hydroponic culture with 0, 5, 10, and 15 mg cd l(-1), metal accumulation and plant growth were measured as well as other stress markers such as decrease in the content of photosynthetic pigments, lipid peroxidation, phenols, h(2)o(2), and free proline. we also analyzed the activity of the antioxidant ... | 2013 | 23183345 |
| taxonomic identification of macrolophus pygmaeus and macrolophus melanotoma based on morphometry and molecular markers. | two macrolophus species, m. melanotoma (=m. caliginosus) and m. pygmaeus, have been referred to as efficient predators of several key pests on vegetable crops in europe. however, due to the great morphological similarity of these species, they have been confused, with important consequences for inoculative releases of these predators in greenhouses and for the conservation of their natural populations on greenhouse and outdoor crops. in this work, we developed tools to identify these morphologic ... | 2013 | 22998681 |
| methyl 2-(4a,8-dimethyl-7-oxodeca-hydro-naphthalen-2-yl)acrylate. | the title compound, c(16)h(24)o(3), was isolated from the aerial part of inula viscosa- (l) aiton [or dittrichia viscosa- (l) greuter]. the mol-ecule contains two fused (trans) six-membered rings which both exibit a chair conformation. in the crystal, mol-ecules are linked into chains along [100] by weak c-h⋯o hydrogen bonds involving the methyl and carbonyl groups. | 2012 | 22904849 |
| fungal assemblages associated with roots of halophytic and non-halophytic plant species vary differentially along a salinity gradient. | structure of fungal communities is known to be influenced by host plants and environmental conditions. however, in most cases, the dynamics of these variation patterns are poorly understood. in this work, we compared richness, diversity, and composition between assemblages of endophytic and rhizospheric fungi associated to roots of two plants with different lifestyles: the halophyte inula crithmoides and the non-halophyte i. viscosa (syn. dittrichia viscosa l.), along a spatially short salinity ... | 2012 | 22573239 |
| methyl 2-(1a,4a-dimethyl-2,8-dioxo-2,3,4,4a,5,6,7,8-octa-hydro-1ah-1-oxacyclo-propa[d]naphthalen-7-yl)acrylate. | the title compound, c(16)h(20)o(5), was synthesized from ilicic acid [2-(8-hy-droxy-4a,8-dimethyl-deca-hydro-naphthalen-2-yl)acrylic acid], which was isolated from the chloro-form extract of the aerial part of inula viscose (l) aiton [or dittrichia viscosa- (l) greuter]. the molecule is built up from two fused six-membered rings, the epoxidized six-membered ring adopts a half-chair conformation while the other ring displays a perfect chair conformation. the crystal structure features c-h⋯o hydro ... | 2012 | 22347009 |
| methyl 2-(8a-hy-droxy-4a-methyl-8-methyl-enedeca-hydro-naphthalen-2-yl)acrylate. | the title compound, c(16)h(24)o(3), was synthesized from ilicic acid which was isolated from the aerial part of inula viscosa- (l) aiton [or dittrichia viscosa- (l) greuter]. the mol-ecule contains two fused six-membered rings both in chair conformations. in the crystal, mol-ecules are linked into chains running parallel to the a axis by o-h⋯o hydrogen bonds. | 2012 | 22259450 |
| influence of soil properties on trace element availability and plant accumulation in a mediterranean salt marsh polluted by mining wastes: implications for phytomanagement. | the aims of this study were to determine the factors which control metal and as phytoavailability in the different microenvironments (sand dunes, salt flat, dry river and shrubs) present at a mediterranean salt marsh polluted by mining wastes. we performed a field study following a plot sampling survey. the analyses of soil parameters (ph, electrical conductivity (ec), organic carbon contents, etc.), total metal and as concentrations and their phytoavailability assessed with edta were related to ... | 2011 | 21851964 |
| 1-(4a,8-dimethyl-1,2,3,4,4a,5,6,8a-octa-hydro-naphthalen-2-yl)-3-(4-methyl-phen-yl)prop-2-en-1-one. | the title compound, c(22)h(28)o, was isolated from the aerial part of inula viscosa- (l) aiton [or dittrichia viscosa- (l) greuter]. the cyclo-hexene ring has a half-chair conformation, whereas the cyclo-hexane ring displays a chair conformation being substituted at position 2 by a 3-(4-methyl-phen-yl)prop-2-enoyl group. in the crystal, weak inter-molecular c-h⋯o hydrogen bonds link mol-ecules into chains in the [010] direction. | 2011 | 21754771 |
| 3-(4-chloro-phen-yl)-1-[(2r,4ar,8ar)-4a,8-dimethyl-1,2,3,4,4a,5,6,8a-octa-hydro-naphthalen-2-yl]prop-2-en-1-one. | the title compound, c(21)h(25)clo, was semi-synthesized from isocostic acid, isolated from the aerial part of inula viscosa- (l) aiton [or dittrichia viscosa- (l) greuter]. the cyclo-hexene ring has a half-chair conformation, whereas the cyclo-hexane ring displays a chair conformation. | 2011 | 21754752 |
| 1-(4a,8-dimethyl-1,2,3,4,4a,5,6,8a-octa-hydro-naphthalen-2-yl)-3-phenyl-prop-2-en-1-one. | the title compound, c(21)h(26)o, was semisynthesized from isocostic acid, isolated from the aerial part of inula viscosa- (l) aiton [or dittrichia viscosa- (l) greuter]. the cyclo-hexene ring has a half-chair conformation, whereas the cyclo-hexane ring displays a chair conformation. | 2011 | 21754232 |
| 1-[(2r,4ar,8r,8ar)-8-hy-droxy-4a,8-di-methyl-perhydronaphthalen-2-yl]ethan-1-one. | the title compound, c(14)h(24)o(2), was synthesized from ilicic acid, which was isolated from the aerial part of inula viscosa- (l) aiton [or dittrichia viscosa- (l) greuter]. the mol-ecule contains two fused six-membered rings, which both display a chair conformation. in the crystal, mol-ecules are linked into chains propagating along the b axis by inter-molecular o-h⋯o hydrogen bonds. | 2011 | 21522359 |
| α-costic anhydride. | the title compound [systematic name: 2-(4a,8-dimethyl-1,2,3,4,4a,5,6,8a-octa-hydro-naphthalen-2-yl)acrylic acid anhydride], c(30)h(42)o(3), is a new isocostic anhydride which was synthesized from the aerial part of inula viscosa- (l) aiton [or dittrichia viscosa- (l) greuter]. the mol-ecule adopts an essentially linear shape with two terminal fused-rings bridged by the anhydride group. the external rings have the same conformation (half-chair) while each of the two inner rings has an almost idea ... | 2010 | 21580353 |
| 3-[4-(dimethyl-amino)-phen-yl]-1-(4a,8-dimethyl-1,2,3,4,4a,5,6,8a-octa-hydro-naphthalen-2-yl)prop-2-en-1-one. | the title compound, c(23)h(31)no, was semisynthesized from isocostic acid, isolated from the aerial part of inula viscosa- (l) aiton [or dittrichia viscosa- (l) greuter]. the cyclo-hexene ring has a half-chair conformation, whereas the cyclo-hexane ring displays a chair conformation. the dihedral angle between the latter ring and its substituent is 83.6 (7)°. | 2010 | 21522737 |
| absorption of zinc and lead by dittrichia viscosa grown in a contaminated soil amended with olive-derived wastes. | | 2006 | 16652270 |
| identification and quantitative determination of eudesmane-type acids from the essential oil of dittrichia viscosa sp. viscosa using 13c-nmr spectroscopy. | a procedure that allows the identification and quantitative determination of eudesmane-type acids in the acidic part of the essential oil of dittrichia viscosa sp. viscosa is described. the method involves the computer-aided analysis of the 13c-nmr spectrum of the mixture without the requirement of previous separation or derivatisation. the quantitative procedure was verified with costic acid standard and applied to three other acids which possess the same eudesmane framework. | 2006 | 15997846 |
| discrimination of the closely related biocontrol agents macrolophus melanotoma (hemiptera: miridae) and m. pygmaeus using mitochondrial dna analysis. | the separation of the closely related predatory species macrolophus melanotoma costa (= m. caliginosus wagner) and macrolophus pygmaeus (rambur) based exclusively on the different colour pattern of the first antennal segment (white central band in m. melanotoma and entirely black in m. pygmaeus) is rather precarious and their taxonomic status is still in doubt. in the present study their taxonomic status was evaluated by dna confirmatory analysis and hybridization experiments between m. pygmaeus ... | 2003 | 14704097 |
| allergic contact dermatitis from dittrichia viscosa (l.) greuter. | | 1995 | 7758306 |
| nutritional differentiation among populations of the mediterranean shrub dittrichia viscosa (asteraceae) in siliceous and calcareous habitats. | dittrichia (ex inula) viscosa is a ruderal species that has recently become an invading plant in the northwest mediterranean basin. a previous study failed to demonstrate the occurrence of morphologically differentiated ecotypes among populations of the species but suggested the existence of nutritional ecotypes. this latter possibility is examined here by comparing the ability of plants from contrasting habitats to control cation accumulation balance. dittrichia viscosa plants, from eight silic ... | 1992 | 28311807 |
| structure of cyperanic acid, a new sesquiterpene from dittrichia viscosa. | | 1988 | 21401196 |
| flavonoids from dittrichia viscosa. | the isolation and structural elucidation of two flavonoids i and ii found in dittrichia viscosa, l., syn. inula viscosa l., is reported. | 1982 | 17402102 |