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12 resultados
Antiproliferative effect of flavonoids and sesquiterpenoids from Achillea millefolium s.l. on cultured human tumour cell lines.
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The antiproliferative activities of n-hexane, chloroform, aqueous-methanol and aqueous extracts of the aerial parts of the Achillea millefolium aggregate on three human tumour cell lines were investigated by means of MTT assays. The chloroform-soluble extract exerted high tumour cell proliferation
Antiproliferative effect of flavonoids from the halophyte Vitex rotundifolia on human cancer cells.
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Three flavonoids, luteolin (1), vitexicarpin (2) and artemetin (3), from the salt marsh plant Vitex rotundifolia, were tested for their anti-proliferative activities in AGS, MCF-7 and HT-29 human cancer cell lines and compared with the control using MTT assay. Among them, 2 was most effective with
Assessment of microtubule depolymerization property of flavonoids isolated from Tanacetum gracile in breast cancer cells by biochemical and molecular docking approach.
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The chemical investigation of the bioactive nonpolar fractions of Tanacetum gracile afforded two flavonoid analogues namely, 5-hydroxy-3,6,7,3',4'-pentamethoxyflavone (1) and 5,4'-dihydroxy-3,6,7,3',4'-tetramethoxyflavone (2) which were identical to the previously reported artemetin and
Flavonoids from Vitex trifolia L. inhibit cell cycle progression at G2/M phase and induce apoptosis in mammalian cancer cells.
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Six flavonoids, persicogenin (1), artemetin (2), luteolin (3), penduletin (4), vitexicarpin (5) and chrysosplenol-D (6), have been isolated for the first time as new cell cycle inhibitors from Vitex trifolia L., a Chinese folk medicine used to treat cancers, through a bioassay-guided separation
Furfuran lignans and a flavone from Artemisia gorgonum Webb and their in vitro activity against Plasmodium falciparum.
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The chemical composition of the aerial parts of the Cape Verdean endemic shrub Artemisia gorgonum Webb (Asteraceae) was careful investigated, which led to the isolation and identification of six known furfuran lignans: eudesmin (1), magnolin (2), epimagnolin A (3), aschantin (4), kobusin (5),
In vitro antitumoral activity of compounds isolated from Artemisia gorgonum Webb.
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Artemisia gorgonum (Asteraceae) is an endemic plant to the Cape Verde islands and plays an important role in traditional medicine. The chloroform extract of the plant aerial parts afforded six sesquiterpene lactones, two methoxylated flavonoids, two lignans, and one tetracyclic triterpene, which
Compounds from the Fruits of the Popular European Medicinal Plant Vitex agnus-castus in Chemoprevention via NADP(H):Quinone Oxidoreductase Type 1 Induction.
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As part of our continuing efforts in the search for potential biologically active compounds from medicinal plants, we have isolated 18 compounds including two novel nitrogen containing diterpenes from extracts of the fruits of Vitex agnus-castus. These isolates, along with our previously obtained
G2-M arrest and antimitotic activity mediated by casticin, a flavonoid isolated from Viticis Fructus (Vitex rotundifolia Linne fil.).
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Flavonoids are distributed in many plants. We studied the antitumor effects of flavonoids isolated from Viticis Fructus, casticin, artemetin, quercetagetin and 5,3'-dihydroxy-6,7,4' -trimethoxyflavanone. Casticin inhibited the growth of KB cells markedly (IC(50)=0.23 microM), compared with the other
Bioactive diterpenes from Callicarpa longissima.
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Investigation of the leaves and twigs of Callicarpa longissima resulted in the isolation of four new compounds (1-4), callilongisins A-D, and five known compounds, ursolic acid, 3-oxoanticopalic acid, (E)-6β-hydroxylabda-8(17),13-dien-15-oic acid, 5-hydroxy-3,6,7,4'-tetramethoxyflavone, and
Cytotoxic terpenoids and flavonoids from Artemisia annua.
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The cytotoxic activity of nine terpenoids and flavonoids isolated from Artemisia annua was tested in vitro on several human tumor cell lines. These compounds are artemisinin, deoxyartemisinin, artemisinic acid, arteannuin-B, stigmasterol, friedelin, friedelan-3 beta-ol, artemetin, and quercetagetin
New diterpenes and norditerpenes from the fruits of Vitex rotundifolia.
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A new labdane-type diterpene, vitexifolin A (1), a new clerodane-type diterpene, vitexifolin B (2), a new abeoabietane-type diterpene, vitexifolin C (3), and two new norlabdane-type diterpenes, vitexifolin D (4) and vitexifolin E (5), were isolated from the fruits of Vitex rotundifolia, along with a
Effects of Vitex trifolia L. leaf extracts and phytoconstituents on cytokine production in human U937 macrophages.
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La base de datos de hierbas medicinales más completa respaldada por la ciencia
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* Toda la información se basa en investigaciones científicas publicadas.
