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eudesmanolide/krebs
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Seite 1 von 17 Ergebnisse
The eudesmanolide tanapsin from Tanacetum oshanahanii and its acetate induce cell death in human tumor cells through a mechanism dependent on reactive oxygen species.
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In this study the cytotoxicities of two species of Tanacetum were evaluated against human tumor cells. Tanacetum oshanahanii extract was more cytotoxic than Tanacetum ptarmiciflorum. Analyses of both extracts of Tanacetum by ultrahigh performance liquid chromatography-tandem mass spectrometry
Sesquiterpene lactones from shoot culture of Artemisia aucheri with cytotoxicity against prostate and breast cancer cells.
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Plant tissue culture is used to grow plant cells, tissues, or organs under sterile and determined conditions on culture media. It is alternative to traditional vegetative propagation, and is applied as an effective technology for the production of valuable secondary metabolites. The Artemisia
Anti-proliferative and anti-neuroinflammatory eudesmanolides from Wedelia (Sphagneticola trilobata (L.) Pruski).
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Wedelia (Sphagneticola trilobata, Syn. Wedelia trilobata), a notoriously invasive agricultural weed, can inhibit the growth and development of crops in the field. Eight new eudesmanolides (1-8), along with twelve known congeners (9-20), were isolated and identified from the flowers of Wedelia. Their
Antiproliferative activity of Artemisia asiatica extract and its constituents on human tumor cell lines.
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The extract of Artemisia asiatica herb with antiproliferative activity against four human tumor cell lines (A2780, A431, HeLa, and MCF7) was analyzed by the MTT assay, and bioassay-directed fractionation was carried out in order to identify the compounds responsible for the cytotoxic activity.
Isolation, Characterization, and Antiproliferative Activities of Eudesmanolide Derivatives from the Flowers of Inula japonica.
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Inula japonica belongs to the family Asteraceae, and its flowers have been used as dietary supplements and health tea in China. The study aimed to identify the bioactive components with the antiproliferative property. Ten 1,10-seco-eudesmanolide derivatives, including four new compounds (1-4), were
Two new tri-nor-eudesmanolides from Inula racemosa.
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Two new tri-nor-eudesmane-type sesquiterpenoids were isolated from the roots of Inula racemosa, and their structures were elucidated as 8-oxo-tri-nor-eudesm-6-en-5α-ol (1) and tri-nor-eudesm-5-en-7β,8β-diol (2). The cytotoxic activity of compound 1 against five human cancer cell lines had been
Two new eudesmanolides from Inula racemosa.
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Two new eudesmane-type sesquiterpene lactones were isolated from the roots of Inula racemosa and their structures were elucidated as 3β-hydroxy-11α,13-dihydroalantolactone (1) and 11α-hydroxy-eudesm-5-en-8β,12-olide (2). Their cytotoxic activities against five human cancer cell lines had been tested
New eudesmenoic acid methyl esters from the seed oil of Jatropha curcas.
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Three new eudesmenoic acid methyl esters (1-3), as well as five known compounds, including three germacranolides (4-6) and two eudesmanolides (7 and 8), were isolated from the seed oil of Jatropha curcas. The new compounds were elucidated by means of spectroscopic methods, including extensive NMR
A new sesquiterpene lactone from Sarcandra glabra.
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A new eudesmanolide sesquiterpene, atractylenolide IV (1), together with seven known compounds were isolated from the 70% aqueous acetonic extract of the whole plant of Sarcandra glabra (Chloranthaceae). Their structures were established by spectral analysis, mainly UV, IR, HRESI-MS, 1D and 2D-NMR
Sesquiterpene lactones from the extracts of two Balkan endemic Laserpitium species and their cytotoxic activity.
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Chloroform extracts of the underground parts of two Balkan endemic Laserpitium species, Laserpitium zernyi Hayek and Laserpitium ochridanum Micevski, were chemically investigated. Five unknown guaianolides from the class of slovanolides, of which four were additionally 2β-esterified, as well as two
Sesquiterpenes from Neurolaena lobata and their antiproliferative and anti-inflammatory activities.
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Five new sesquiterpenes, neurolobatin A (1), neurolobatin B (2), 5β-hydroxy-8β-isovaleroyloxy-9α-hydroxycalyculatolide (3), 3-epi-desacetylisovaleroylheliangine (4), and 3β-acetoxy-8β-isovaleroyloxyreynosin (5), were isolated from the aerial parts of Neurolaena lobata. The structures were
Chemical constituents and pharmacological properties of Radix Inulae.
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Radix Inulae is used as a gastric and antibacterial agent in traditional Chinese and Tibetan medicines. Most of its chemical constituents have been identified and include a series of sesquiterpenes with various carbon skeletons such as: eudesmanolide, elemanolide, germacranolide, sesquicaranolide,
[Research progress on sesquiterpenes and its pharmacological activities in genus Carpesium].
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The genus Carpesium plants contain many kinds of sesquiterpenes. Up to now, more than 201 sesquiterpene compounds have been isolated and identified, including 86 germacranolides, 30 eudesmanolides, 29 guaianolides, 23 sesquiterpene dimers, 9 pseudoguaianes, 9 carabranolides, 7 xanthanolides, 6
Antiproliferative and apoptotic sesquiterpene lactones from Carpesium faberi.
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Four new (1-4) and 13 known (5-17) sesquiterpene lactones along with two known diterpenes (18, 19) were isolated from the whole plant of Carpesium faberi. The new structures were elucidated by means of spectroscopic techniques and some chemical transformations to be
Bioactivity-guided isolation of cytotoxic sesquiterpenes and flavonoids from Anthemis ruthenica.
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A new eudesmanolide sesquiterpene, sivasinolide 6-O-angelate (1), was isolated from the aerial parts of Anthemis ruthenica together with the known compounds chrysanin (2), tanacin (3), 3 beta-hydroxycostunolide (4), centauridin (5), and centaureidin (6). The compounds were obtained by means of
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