Results 31 to 40 of about 48,981 (384)

Comparative chemical analysis of volatile compounds of Echinops ilicifolius using hydrodistillation and headspace solid-phase microextraction and the antibacterial activities of its essential oil [PDF]

open access: yesRoyal Society Open Science, 2018
The volatile compounds from various parts of Echinops ilicifolius (Compositae) such as flowers, leaves and roots obtained by hydrodistillation (HD) and headspace solid-phase microextraction (HS-SPME) methods were subsequently analysed by GC and GC/MS and
Razieh Mohebat, Mina Zare Bidoki
doaj   +1 more source

Stem anatomical survey of the genera Matricaria and Tripleurospermum (Asteraceae) from Turkey with its taxonomical and ecological implications [PDF]

open access: yesBotanica Serbica, 2022
A comparative anatomical study of the stems in 32 taxa assigned in the two related genera; Matricaria (4 taxa) and Tripleurospermum (28 taxa, 30 accessions), was carried out in Turkey by using cluster analysis (CA) and principal component analysis ...
Melahat Ozcan, Huseyin Inceer
doaj   +1 more source

Screening for Compositae contact sensitization with sesquiterpene lactones and Compositae mix 2.5% pet

open access: yesContact Dermatitis, 2019
Compositae contact sensitization may be difficult to diagnose, because of a lack of reliable screening allergens.
E. Paulsen, K. Andersen
semanticscholar   +1 more source

Morphometric analyses and new taxonomic circumscription of South American species of Flourensia (Asteraceae, Heliantheae, Enceliinae) [PDF]

open access: yes, 2018
Flourensia (Asteraceae, Heliantheae, Enceliinae) is an amphitropical genus of resinous subshrubs, shrubs and small trees with 13 North American and 20 South American species among which disagreement on the species limits of some members still exists.
Aagesen, Lone   +3 more
core   +1 more source

Not only size matters: achene morphology affects time of seedling emergence in three heterocarpic species of Anacyclus (Anthemideae, Asteraceae)

open access: yesAnales del Jardín Botánico de Madrid, 2013
The production of two or more distinct fruit types by an individual, i.e. heterocarpy, is considered as a mixed dispersal strategy in which a proportion of the offspring is able to colonize new sites, whilst others remain near the maternal location. Here,
Rubén Torices   +2 more
doaj   +1 more source

Contribution to knowledge about genome size in members of the family Asteraceae from Turkey: first assessments in 17 taxa, with chromosome counts for nine taxa [PDF]

open access: yesBotanica Serbica, 2020
In this study, we report genome size (C-values) estimated using flow cytometry for 18 taxa of Asteraceae from Turkey, 17 of which are here assessed for the first time.
Huseyin Inceer, Nursen Aksu Kalmuk
doaj   +1 more source

Compositae dermatitis [PDF]

open access: yesContact Dermatitis, 1981
Clinical features, botany, phytochemistry, patch testing, ecology and the absence of a role for pollen in Compositae dermatitis are discussed with a review of current aspects of photo‐sensitivity for pathogenesis. It appears that the plants yield photoallergen(s) not yet identified.
J, Arlette, J C, Mitchell
openaire   +2 more sources

Typification of names published by Schultz “Bipontinus” in the Andryala pinnatifida complex (Cichorieae, Asteraceae), from the Canary Islands

open access: yesAnales del Jardín Botánico de Madrid, 2020
Schultz “Bipontinus” (1805-1867) described, in the Histoire Naturelle des Îles Canaries published by Webb and Berthelot in 1849, several forms of the Andryala pinnatifida complex, endemic to the Canary Islands, based on plant material collected by E ...
Maria Zita Ferreira   +2 more
doaj   +1 more source

Genetic analysis of safflower domestication. [PDF]

open access: yes, 2014
BackgroundSafflower (Carthamus tinctorius L.) is an oilseed crop in the Compositae (a.k.a. Asteraceae) that is valued for its oils rich in unsaturated fatty acids.
Bowers, John E   +4 more
core   +1 more source

Isolation and partial characterization of an acid phosphatase from Artemisia vulgaris pollen extract [PDF]

open access: yesJournal of the Serbian Chemical Society, 2002
An acid phosphatase from an extract of mugwort (Artemisia vulgaris) pollen was purified by a factor of 48 by a combination of ion exchange and gel-chromatography. The molecular weights of the enzyme were 76 kDa and 73 kDa, determined by gel filtration on
Ćirković-Veličković Tanja D.   +5 more
doaj   +1 more source

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