Zobrazeno 1 - 10
of 22
pro vyhledávání: '"J.L. Fiasson"'
Publikováno v:
Phytochemistry. 45:1063-1067
A chemical investigation of the leaves of aquatic Ranunculus species yielded six quercetin glycosides and eight acylated quercetin glycosides, three of which are reported for the first time: quercetin 3-(6″-malonylglucoside)-7-glucoside and the par
Publikováno v:
Biochemical Systematics and Ecology. 25:327-333
The foliar flavonoid pattern was assessed in 55 samples representing 11 taxa of aquatic Ranunculus (subg. Batrachium ) from NW Europe (France to Sweden) or SE Europe (Greece and Aegean Sea). Quercetin 3-glucoside is accumulated as such or with additi
Publikováno v:
Phytochemistry. 37:1629-1633
Four major quercetin triglycosides were isolated from the leaves of antarctic Ranunculus species: quercetin 3-sophoroside-7-glucoside, quercetin 3
Publikováno v:
Biochemical Systematics and Ecology. 22:533-542
The three species of Ranunculus present in Iles Kerguelen were investigated: R. moseleyi, R. pseudotrullifolius and R. biternatus . Representative individuals were collected in very diverse sites and analyzed for their morphometry and flavonoid patte
Publikováno v:
Biochemical Systematics and Ecology. 19:157-162
A comparative flavonoid analysis was undertaken on eight European species of the genus Hypochoeris and revealed two major chemotypes, with either luteolin or isoetin as the major flavone. Intrastational and, each time it could be assessed, interstati
Publikováno v:
Phytochemistry. 30:1673-1675
A chemical investigation of the leaves of Hypochoeris spp. yielded four new isoetin (5,7,2′,4′,5′-pentahydroxyflavone) derivatives: isoetin 2′-xyloside, isoetin 7-glucoside-2′-xyloside and their 4″ (xylose) acetylated products.
Autor:
M.P. Bouchez, J.L. Fiasson
Publikováno v:
Phytochemistry. 9:1133-1136
Resume L'ester methylique de la neurosporaxanthine (acide apo-4′-β-carotenique), nouveau carotenoide naturel, est identifie chez la Sphaeriale Nectria cinnabarina a l'aide de methodes physiques et chimiques et par comparaison directe avec le produ
Publikováno v:
Phytochemistry. 10:1595-1601
The structure of a new C 40 H 56 carotene isolated from the discomycete Caloscypha fulgens (Pers.) Boud. is shown by spectral methods to be β,γ-carotene (VII). This is the first demonstration of a naturally occurring carotenoid with a terminal meth
Publikováno v:
Biochemical Systematics and Ecology. 17:283-285
The phenolic content of sympatric diploids and autotetraploids of Dactylis glomerata from Galicia (Spain) was analysed for correlations between different chemical patterns and the adaptative strategies developed by the tetraploids as a consequence of
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