ウリ科植物の成分研究(第17報)アマチャツルのサポニン成分についてその12

概要

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New saponins, named gypenosides LXV (1), LXVI (2), LXXII (3), LXXIII (4) and LXXIX (5), were isolated from the aerial parts of Gynostemma pentaphyllum MAKINO (Cucurbitaceae) collected in Wakayama pref., together with the known saponins, gypenosides II, VII, XLV (6) and gynosaponin TN-2. On the basis of chemical and physicochemical evidence, they were characterized as follows. 1,3β, 12β, 19,20 (S)-tetrahydroxydammar-24-ene 20-O-β-primeveroside : 2,3β, 12β, 19,20 (S)-tetrahydroxydammar-24-ene 20-O-β-rutinoside : 3,3β, 12β, 19,20 (S)-tetrahydroxydammar-24-ene 3-O-β-rutinoside-20-O-β-D-glucopyranoside : 4,2α, 3β, 20 (S)-trihydroxydammar-24-ene 3-O-β-D-glucopyranoside-20-O-β-rutinoside : 5,3β, 19,20 (S)-trihydroxydammar-24-ene 3-O-β-D-glucopyranoside-20-O-β-D-glucopyranoside.
公益社団法人日本薬学会の論文
1987-05-25