About: C-Geranyl Compounds from <i>Paulownia tomentosa</i> Fruits

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About: C-Geranyl Compounds from <i>Paulownia tomentosa</i> Fruits Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Five geranylflavonoids, one prenylated flavonoid, and a simple flavanone were isolated from an ethanolic extract of Paulownia tomentosa fruit. Tomentodiplacol (1), 3-O-methyl-5-methoxydiplacol (2), 6-isopentenyl-3-O-methyltaxifolin (3), and dihydrotricin (4) are reported from a natural source for the first time and 3-O-methyldiplacone (6) for the first time from the genus Paulownia. The structures of the compounds were determined by mass spectrometry, including HR-MS, and by 1D and 2D NMR spectroscopy. The cytotoxicity and DPPH (2,2-diphenyl-1-picrylhydrazyl) quenching activity of some of these compounds were tested, with diplacone proving to be the best antioxidant, though the most cytotoxic compound. Five geranylflavonoids, one prenylated flavonoid, and a simple flavanone were isolated from an ethanolic extract of Paulownia tomentosa fruit. Tomentodiplacol (1), 3-O-methyl-5-methoxydiplacol (2), 6-isopentenyl-3-O-methyltaxifolin (3), and dihydrotricin (4) are reported from a natural source for the first time and 3-O-methyldiplacone (6) for the first time from the genus Paulownia. The structures of the compounds were determined by mass spectrometry, including HR-MS, and by 1D and 2D NMR spectroscopy. The cytotoxicity and DPPH (2,2-diphenyl-1-picrylhydrazyl) quenching activity of some of these compounds were tested, with diplacone proving to be the best antioxidant, though the most cytotoxic compound. (en)
Title	C-Geranyl Compounds from <i>Paulownia tomentosa</i> Fruits C-Geranyl Compounds from <i>Paulownia tomentosa</i> Fruits (en)
skos:prefLabel	C-Geranyl Compounds from <i>Paulownia tomentosa</i> Fruits C-Geranyl Compounds from <i>Paulownia tomentosa</i> Fruits (en)
skos:notation	RIV/00216224:14310/07:00022177!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(1A8666), P(LC06030), S, Z(MSM0021622413)
http://linked.open...iv/cisloPeriodika	8
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Grycová, Lenka Marek, Radek
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	413173
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/07:00022177
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	flavonoid; geranyl; natural product; NMR (en)
http://linked.open.../riv/klicoveSlovo	flavonoid NMR geranyl natural product
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[ACD39DC721DE]
http://linked.open...i/riv/nazevZdroje	Journal of Natural Products
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Verification of antidiabetic effect of ethnobotanicaly important herbal medicines Biomolecular centre
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	70
http://linked.open...iv/tvurceVysledku	Marek, Radek Suchý, Václav Šmejkal, Karel Vančo, Ján Forejtníková, Hana Jankovská, Dagmar Grycová, Lenka Lemiere, Filip
http://linked.open...n/vavai/riv/zamer	Proteiny v metabolismu a při interakci organismů s prostředím
issn	0163-3864
number of pages	5 (xsd:int)
http://localhost/t...ganizacniJednotka	14310
is http://linked.open...avai/riv/vysledek of	C-Geranyl Compounds from <i>Paulownia tomentosa</i> Fruits C-Geranyl Compounds from <i>Paulownia tomentosa</i> Fruits C-Geranyl Compounds from <i>Paulownia tomentosa</i> Fruits

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