ウリ科植物の成分研究(第10報)アマチャツルのサポニン成分についてその6

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Four dammarane-oligoglycosides named gypenosides XXXVI (1), XXXVII (2), LIII (3) and LIV (4) 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-oxo-3β, 20 (S)-dihydroxydammar-24-ene-3-O-[β-D-glucopyranosyl-(1→2)-α-L-arabinopyranoside]-20-O-β-rutinoside : 2,19-oxo-3β, 20 (S)-dihydroxydammar-24-ene-3-O-[β-D-glucopyranosyl-(1→2)-α-L-arabinopyranoside]-20-O-β-primeveroside : 3,19-oxo-3β, 12β, 20 (R)-trihydroxydammar-24-ene-3-O[β-D-glucopyranosyl-(1→2)-α-L-arabinopyranoside] : 4,3β, 12β, 19,20 (S)-tetrahydroxydammar-24-ene-3-O-[β-D-glucopyranosyl-(1→2)-α-L-arabinopyranoside].
社団法人日本薬学会の論文
1984-09-25

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