Planta Med 2010; 76(2): 189-194
DOI: 10.1055/s-0029-1186026
Natural Product Chemistry
Letters
© Georg Thieme Verlag KG Stuttgart · New York

Lupane-Type Triterpene Glycosides from the Leaves of Acanthopanax koreanum and Their In Vitro Cytotoxicity

Nguyen Xuan Nhiem1 , 2 , Phan Van Kiem2 , Chau Van Minh2 , Do Thi Ha1 , Buu Huu Tai1 , Pham Hai Yen2 , Nguyen Huu Tung1 , Jae-Hee Hyun3 , Hee-Kyoung Kang3 , Young Ho Kim3
  • 1College of Pharmacy, Chungnam National University, Daejeon, Korea
  • 2Institute of Natural Products Chemistry, VAST, Hanoi, Vietnam
  • 3School of Medicine, Institute of Medical Sciences, Cheju National University, Jeju, Korea
Further Information

Publication History

received May 4, 2009 revised July 8, 2009

accepted July 10, 2009

Publication Date:
10 August 2009 (online)

Abstract

Three new lupane triterpene glycosides, acankoreosides J–L (13), were isolated from the leaves of Acanthopanax koreanum. Based on the spectroscopic data, the chemical structures were determined as 3α-hydroxy-20-oxo-30-norlupane-23,28-dioic 28-O-α-L-rhamnopyranosyl-(1 → 4)-β-D-glucopyranosyl-(1 → 6)-β-D-glucopyranosyl ester (1); 3α,20,29-trihydroxylupane-23,28-dioic 28-O-α-L-rhamnopyranosyl-(1 → 4)-β-D-glucopyranosyl-(1 → 6)-β-D-glucopyranosyl ester (2); and (20S)-3α-hydroxy-29,29-dimethoxylupane-23,28-dioic 28-O-α-L-rhamnopyranosyl-(1 → 4)-β-D-glucopyranosyl-(1 → 6)-β-D-glucopyranosyl ester (3). Compounds 13 were evaluated for their cytotoxicity and showed moderate activity against four cell lines, A549 (lung), HL-60 (leukemia), MCF-7 (breast), and U937 (leukemia), with IC50 values of 23.4, 36.5, 22.6, and 18.5 µM for 1; 6.8, 18.6, 23.1, and > 100 µM for 2; and 28.9, 21.8, 11.0, and 27.5 µM for 3, respectively.

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Prof. Dr. Young Ho Kim

College of Pharmacy
Chungnam National University

305-764 Daejeon

Korea

Phone: + 82 4 28 21 59 33

Fax: + 82 4 28 23 65 66

Email: yhk@cnu.ac.kr