New Alkaloids and Anti-inflammatory Constituents from the Leaves of Antidesma ghaesembilla

Author:

Van Kiem Phan1,Cuong Le Canh Viet1,Trang Do Thi1,Nhiem Nguyen Xuan1,Anh Hoang Le Tuan1,Tai Bui Huu1,Huong Le Mai2,Van Minh Chau1,Lee Taek Hwan3,Kim Sun Yeou4,Kim Seung Hyun3

Affiliation:

1. Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Caugiay, Hanoi, Vietnam

2. Institute of Natural Products Chemistry, VAST, 18 Hoang Quoc Viet, Caugiay, Hanoi, Vietnam

3. College of Pharmacy, Yonsei Institute of Pharmaceutical Science, Yonsei University, Incheon 406–840, Korea

4. College of Pharmacy, Gachon University, Incheon 406-799, Korea

Abstract

Using various chromatographic methods, two new alkaloids, antidesoic acids A (1) and B (2) along with fourteen known compounds (3-16) were isolated from the leaves of Antidesma ghaesembilla Gaertn. Their chemical structures were elucidated by physical and chemical methods. All the isolated compounds were evaluated for their inhibitory activity on LPS-stimulated nitric oxide (NO) production in BV2 cells and RAW 264.7 macrophages. Bisflavone 8 significantly inhibited LPS-stimulated NO production in BV2 cells and RAW 264.7 macrophages with IC50 values of 5.4 and 8.0 μM, respectively. Compounds 1–3, 7, 10, 12, 14, and 16 showed moderate inhibitory activities with IC50 values ranging from 11.7 to 77.4 μM.

Publisher

SAGE Publications

Subject

Complementary and alternative medicine,Plant Science,Drug Discovery,Pharmacology,General Medicine

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