Malaysianol B,an oligostilbenoid derivative from Dryobalanops lanceolata |
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| Authors: | A Wibowo N Ahmat AS Hamzah ALM Low SAS Mohamad HY Khong AS Sufian N Manshoor H Takayama |
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| Institution: | 1. Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor Darul Ehsan, Malaysia;2. Faculty of Applied Sciences, Universiti Teknologi MARA, Jalan Meranek, 94300, Kota Samarahan, Sarawak, Malaysia;3. Faculty of Pharmacy, Universiti Teknologi MARA, Puncak Alam Campus, 42300 Kuala Selangor, Selangor, Malaysia;4. Graduate School of Pharmaceutical Sciences, Chiba University, 1‐33 Yayoi-cho, Inage-ku, Chiba 263‐8522, Japan |
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| Abstract: | A new oligostilbenoid tetramer, malaysianol B (1), was isolated from the acetone extract of the stem bark of Dryobalanops lanceolata along with seven oligostilbenoids tetramers; hopeaphenol (2), stenophyllol A (3), nepalensinol B (4), vaticanol B (5) and C (6), upunaphenol D (7), and flexuosol A (8). The structures of the isolated compounds were established on the basis of their spectroscopic data evidence. The antibacterial activity of the isolated compounds was evaluated using resazurin microtitre-plate assay. |
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| Keywords: | Dipterocarpaceae Dryobalanops lanceolata Oligostilbenoid Tetramer Malaysianol B Antibacterial |
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