植物学雑誌
Online ISSN : 2185-3835
Print ISSN : 0006-808X
ISSN-L : 0006-808X
Flavonoid Pattern in the Pteridaceae, III. Flavonoid Constituents in the Fronds of Dennstaedtia wilfordii
Yoko AKABORIMasao HASEGAWA
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1970 年 83 巻 986 号 p. 263-269

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Flavonoid glycosides in the fronds of Dennstaedtia wilfordii were isolated to study the flavonoid pattern of the genus Dennstaedtia. The fronds contained pinocembrin 7-rhamnoglucoside (III), pinocembrin 7-glucoside (II), isoquercitrin (VII) and astragalin (V). Among them pinocembrin 7-rhamnoglucoside (III) was obtained as crystal and the sugar component was confirmed as neohesperidose (VIII) by NMR, enzymic hydrolysis and chromatographic behaviors. Other flavonoids were identified by paper and thin layer chromatography.
The flavonoid pattern of D. wilfordii was different from that of the four species belonging to the genus Adiantum, which had been already reported.

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© The Botanical Society of Japan
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