ウリ科植物の成分研究(第8報)アマチャヅルのサポニン成分についてその4

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Seven dammarane-oligoglycosides named gypenoside XXII (1), XXIII (2), XXIV (3), XXX (4), XXXI (5), XXXII (6) and XXXIII (7) were isolated from the aerial parts of Gynostemma pentaphyllum MAKINO collected in Hyogo pref. On the basis of chemical and physicochemical evidence, they were characterized as follows : 1,19,21-dihydroxydammar-24-ene-3-O-(β-sophorosyl)-20 (S)-O-[β-xylopyranosyl (1→6)-β-D-glucopyranoside] : 2,19,20 (S)-dihydroxydammar-24-ene-3-O-(β-sophorosyl)-21-O-β-D-glucopyranoside : 3,19-oxo-20 (S)-hydroxydammar-24-ene-3-O-(β-sophorosyl)-21-O-β-D-glucopyranoside : 4,19,21-dihydroxy-dammar-24-ene-3-O-(β-D-glucopyranosyl)-20 (S)-O-β-D-glucopyranoside : 5,19,20 (S), 21-trihydroxydammar-24-ene-3-O-β-sophoroside : 6,19,20 (S)-dihydroxydammar-24-ene-3-O-β-D-glucopyranosyl)-21-O-β-D-glucopyranoside : 7,19-oxo-20 (S), 21-dihydroxydammar-24-ene-3-O-β-sophoroside.
社団法人日本薬学会の論文
1984-04-25

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