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从熊本和宫崎县采集的人参果实标本中分离得到的新三萜皂苷(1)。

New triterpenoid saponins from fruits specimens of Panax japonicus collected in Kumamoto and Miyazaki prefectures (1).

作者信息

Yoshizaki Kouichi, Yahara Shoji

机构信息

Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan.

出版信息

Chem Pharm Bull (Tokyo). 2012;60(3):354-62. doi: 10.1248/cpb.60.354.

Abstract

Seven new dammarane-type triterpenoid saponins, chikusetsusaponin FK1 (1), chikusetsusaponin FK2 (2), chikusetsusaponin FK3 (3), chikusetsusaponin FK4 (4), chikusetsusaponin FK5 (5), chikusetsusaponin FK6 (6), and chikusetsusaponin FK7 (7), and eleven known triterpenoid saponins, ginsenoside Rb3 (9), ginsenoside Rc (10), chikusetsusaponin VI (11), ginsenoside Re (12), ginsenoside Rg1 (13), pseudo-ginsenoside RS1 (14), notoginsenoside R1 (15), chikusetsusaponin L5) (17), chikusetsusaponin L10 (18), chikusetsusaponin IVa (19), and chikusetsusaponin V (20), were isolated from the fruits of Panax japonicus C. A. MEYER, collected in Kumamoto prefecture, Japan, and two new dammarane-type triterpenoid saponin, chikusetsusaponin FK5 (5) and chikusetsusaponin FM1 (8), and five known triterpenoid saponins, ginsenoside Rb3 (9), ginsenoside Rc (10), ginsenoside Re (12), ginsenoside Rg1 (13), and floralquinquenoside E (16), were isolated from the fruits of P. japonicus C. A. MEYER, collected in Miyazaki prefecture, Japan. The structures of new chikusetsusaponins were elucidated on the basis of chemical and physicochemical evidences.

摘要

从采自日本熊本县的日本人参果实中分离得到7个新的达玛烷型三萜皂苷,即竹节人参皂苷FK1(1)、竹节人参皂苷FK2(2)、竹节人参皂苷FK3(3)、竹节人参皂苷FK4(4)、竹节人参皂苷FK5(5)、竹节人参皂苷FK6(6)和竹节人参皂苷FK7(7),以及11个已知的三萜皂苷,即人参皂苷Rb3(9)、人参皂苷Rc(10)、竹节人参皂苷VI(11)、人参皂苷Re(12)、人参皂苷Rg1(13)、假人参皂苷RS1(14)、三七皂苷R1(15)、竹节人参皂苷L5(17)、竹节人参皂苷L10(18)、竹节人参皂苷IVa(19)和竹节人参皂苷V(20);从采自日本宫崎县的日本人参果实中分离得到2个新的达玛烷型三萜皂苷,即竹节人参皂苷FK5(5)和竹节人参皂苷FM1(8),以及5个已知的三萜皂苷,即人参皂苷Rb3(9)、人参皂苷Rc(10)、人参皂苷Re(12)、人参皂苷Rg1(13)和花五糖皂苷E(16)。通过化学和物理化学证据阐明了新竹节人参皂苷的结构。

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