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pterocaulon polystachyum/coumarin
Nuoroda įrašoma į mainų sritį
11 rezultatus
Nanoemulsions Containing a Coumarin-Rich Extract from Pterocaulon balansae (Asteraceae) for the Treatment of Ocular Acanthamoeba Keratitis.
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This study describes the incorporation of a coumarin-rich extract from Pterocaulon balansae into nanoemulsions intended for the local treatment of ocular keratitis caused by Acanthamoeba. The n-hexane dewaxed extract of P. balansae was characterized by HPLC/PDA and UPLC/MS. The presence of four
Quantification of Coumarins in Aqueous Extract of Pterocaulon balansae (Asteraceae) and Characterization of a New Compound.
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Plants from the genus Pterocaulon are popularly used as antifungal and wound-healing agents. Such activities have been related to coumarins, which are abundant in those plants. Coumarins are soluble in organic solvents, such as hexane and dichloromethane, and some of them are also soluble in hot
Antifungal activity of some coumarins obtained from species of Pterocaulon (Asteraceae).
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Fractionation of antifungal hexane extracts of the aerial parts of three Pterocaulon spp., Pterocaulon alopecuroides, Pterocaulon balansae and Pterocaulon polystachyum (Asteraceae) from South Brazil traditionally used to treat animal mycoses, afforded the coumarins
Toxicity and synergism in the feeding deterrence of some coumarins on Spodoptera frugiperda Smith (Lepidoptera: Noctuidae).
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The phagodepression activity of five coumarins (= 2H-1-benzopyran-2-ones), 6-hydroxy-7-isoprenyloxycoumarin (1), 6-methoxy-7-isoprenyloxycoumarin (2), 6,7-methylenedioxycoumarin (3), 5-methoxy-6,7-methylenedioxycoumarin (4), and 6-methoxy-7-(2-hydroxyethoxy)coumarin (5), from the Argentine native
New coumarins from Pterocaulon polystachyum.
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Aerial parts of Pterocaulon polystachyum from Chaco province, Argentina, afforded the known coumarins ayapin, isoscopoletin, prenyletin, prenyletin methyl ether, virgatenol, obtusinin, 5-methoxy-6,7-methylenedioxycoumarin, 5-(3,3-dimethylallyloxy)-6,7-methylenedioxycoumarin,
6,7-Dioxygenated and 5,6,7-Trioxygenated Coumarins from Pterocaulon polystachium.
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Coumarins from Pterocaulon virgatum.
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Antiviral flavonoid from Pterocaulon sphacelatum, an Australian Aboriginal medicine.
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The antipicornaviral activity of an ethanolic extract of the green aerial parts of the Australian plant Pterocaulon sphacelatum (Labill.) Benth. & Hook. f. ex F. Muell. has been investigated. This plant has been a favoured traditional medicine, used for the treatment of colds by the Australian
Induction of cell differentiation in human leukemia U-937 cells by 5-oxygenated-6,7-methylenedioxycoumarins from Pterocaulon polystachyum.
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The present study focused on the effect of a series of extracts and two 5,6,7-trioxygenated coumarins isolated from Pterocaulon polystachyum on the proliferation and differentiation of human promonocytic U-937 cells. The petroleum ether extract was the only extract that significantly reduced cell
The genus Pterocaulon (Asteraceae) - A review on traditional medicinal uses, chemical constituents and biological properties.
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BACKGROUND
Species of the genus Pterocaulon (Asteraceae) are used in different parts of the world for treating skin and liver diseases, as well as disorders of the respiratory system, among others.
OBJECTIVE
This review aims to discuss the present state of the art concerning the ethnobotanical uses,
Selective cytotoxicity and apoptosis induction in glioma cell lines by 5-oxygenated-6,7-methylenedioxycoumarins from Pterocaulon species.
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The coumarins 5-methoxy-6,7-methylenedioxycoumarin 1 5-(3-methyl-2-butenyloxy)-6,7-methylenedioxycoumarin 2 and 5-(2,3-dihydroxy-3-methylbutyloxy)-6,7-methylenedioxycoumarin 3 isolated from Pterocaulon species showed significant cytotoxicity against two glioma cells lines. Compound 1 presented
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