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frullania/cephaloziella massalongoi
Nuoroda įrašoma į mainų sritį
Puslapis 1 nuo 21 rezultatus
Botanical briefs: liverworts--Frullania species.
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Frullania (liverwort) phytodermatitis (woodcutter's eczema).
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Compositae and Frullania phytodermatitis.
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Clinical features, botany, phytochemistry, patch testing and ecology of Compositae and Frullania (liverwort) allergic contact phytodermatitis are discussed. Allergic contact dermatitis from Compositae continues to attract world-wide attention owing to spread of noxious weeds in India, Europe, Japan
Volatile Constituents of New Caledonian Frullania Species.
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Volatile components of seven Frullania species (Frullaniaceae) from New Caledonia, including five endemic species (F. bella, F. scalaris, F. mamnmillosa, F. cornita and F. falsicornuta), were analyzed by GC-MS in order to index these plants to known chemotypes. Constituents detected in these
Bazzanane sesquiterpenoids from the New Zealand liverwort Frullania falciloba.
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Two new bazzanane-type sesquiterpenoids have been isolated from the New Zealand liverwort Frullania falciloba. Their structures were confirmed by NMR and CD spectroscopy and chemical reactivity.
Eremophilanolides and other constituents from the Argentine liverwort Frullania brasiliensis.
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Two eremophilanolides, 5-epidilatanolides A and B, as well as a new natural bibenzyl were isolated from an Argentine collection of the liverwort Frullania brasiliensis, along with the known eudesmane-type sesquiterpene lactones nepalensolide A, nepalensolide B, (+)-frullanolide, and
Two new cadinane-type sesquiterpenes from the Chinese liverwort Frullania serrata.
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Two new cadinane-type sesquiterpenes, frullanic acid (1) and frullanic acid methyl ester (2), together with four known bibenzyls, brittonin B (3), 3,3'-dimethoxy-4,5-methylenedioxybibenzyl (4), 3,4,5,3',4'-penlamethoxybibenzyl (5) and (±)-3-(4'-methoxybenzyl)-5,6-dimethoxyphtbalide (6), were
Labdane diterpenoids and highly methoxylated bibenzyls from the liverwort Frullania inouei.
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Four undescribed labdane diterpenoids, 1,2-dehydro-3,7-dioxo-manoyl oxide (1), 1,2-dehydro-7 beta-hydroxy-3-oxo-manoyl oxide (2), 3,7-dioxo-manoyl oxide (3), and 3beta-hydroxy-7-oxo-manoyl oxide (4) together with three known diterpenoids (5-7) and four highly methoxylated bibenzyls (8-11) were
Contact allergy from Frullania and respiratory allergy from Thuja.
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Occupational allergic contact dermatitis in 52 forest-workers was caused by sesquiterpene lactones from liverworts (Frullania) and by usnic acid from lichens which grow on various trees including cedar (Thuja). Occupational asthma and rhinitis in 35 wood-workers was caused by wood dust of western
Diterpenoids from the Chinese liverwort Frullania hamatiloba and their Nrf2 inducing activities.
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Six previously undescribed labdane diterpenoids, frullanians A-F, along with five known diterpenoids, were isolated from the Chinese liverwort Frullania hamatiloba Stephani. Their structures were determined using NMR data, electronic circular dichroism (ECD) calculations as well as the single
Pacifigorgianes and tamariscene as constituents of Frullania tamarisci and Valeriana officinalis.
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The sesquiterpenoid constituents of the essential oils from the liverworts Frullania tamarisci, Frullania fragilifolia and of the angiosperm Valeriana officinalis were investigated. Tamariscene, a compound with a new sesquiterpene skeleton, valerena-4,7(11)-diene and five new pacifigorgiadienes,
A cytotoxic diterpenoid and antifungal phenolic compounds from Frullania muscicola Steph.
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A novel ent-labdane type diterpenoid, muscicolone (1), as well as two bibenzyls (2, 3) and four flavonoids (4-7) were isolated from the liverwort Frullania muscicola Steph. Their structures were established by analysis of the spectral data of IR, UV, ID-, 2D-NMR, and ORD. The stereostructure of 1
Species delimitation and biogeography of a southern hemisphere liverwort clade, Frullania subgenus Microfrullania (Frullaniaceae, Marchantiophyta).
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Frullania subgenus Microfrullania is a clade of ca. 15 liverwort species occurring in Australasia, Malesia, and southern South America. We used combined nuclear and chloroplast sequence data from 265 ingroup accessions to test species circumscriptions and estimate the biogeographic history of the
Molecular insights into the phylogeny and subgeneric classification of Frullania Raddi (Frullaniaceae, Porellales).
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With an estimated 300-375 species, Frullania is the largest genus of Porellales and forms a major clade of leafy liverworts. The cosmopolitan genus includes mostly epiphytes and represents an important component of the cryptogamic vegetation in various, especially tropical, habitats. There have been
Volatile components of selected species of the liverwort genera Frullania and Schusterella (Frullaniaceae) from New Zealand, Australia and South America: a chemosystematic approach.
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The volatile components of 25 taxa of the liverwort family Frullaniaceae from New Zealand, Australia and South America have been analyzed by GC-MS. The present Frullania species are chemically divided into five major types: (1) sesquiterpene lactones, (2) sesquiterpene lactones-bibenzyls, (3)
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