ウリ科植物の成分研究(第12報)アマチャヅルのサポニン成分についてその8

概要

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Five dammarane-oligoglycosides named gypenosides XLVII (1), XLVII (2), XLIX (3), L (4) and LI (5) were isolated from the aerial parts of Gynostemma pentaphyllum MAKINO collected in Tokushima pref. On the basis of chemical and physicochemical evidence, they were characterized as follows : 1,2α, 3β, 12β, 20 (S), 26-pentahydroxydammar-24-ene-3-O-β-sophoroside-20-O-β-rutinoside : 2,19-oxo-3β, 20 (S), 21-trihydroxydammar-24-ene-3-O-{[α-rhamnopyranosyl (1→2)] [β-glucopyranosyl (1→3)]-α-L-arabinopyranoside}-21-O-β-glucopyranoside : 3,19-oxo-3β, 20 (S), 21-trihydroxydammar-24-ene-3-O {[α-rhamnopyranosyl (1→2)] [β-glucopyranosyl (1→3)]-α-L-arabinopyranoside}-21-O-β-glucopyranoside : 4,2α, 3β, 12β, 20 (S)-tetrahydroxydammar-24-ene-3-O-β-sophoroside : 5,2α, 3β, 12β, 20 (R)-tetrahydroxydammar-24-ene-3-O-β-sophoroside.
社団法人日本薬学会の論文
1984-11-25