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Azahar, Siti Zakirah
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Chemical Engineering, Chemistry & Bioengineering Chemistry

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Chemotaxonomic Relationship of Oligomer Resveratrol in Three Malaysian Dipterocarpus Species from the Taxonomic Tribe of Dipterocarpaceae Nawi, Liliwirianis; Zain, Wan Zuraida Wan Mohd; Ahmat, Norizan; Osman, Che Puteh; Takaya, Yoshiaki; Kamarozaman, Aisyah Salihah; Adnan, Noorazlina; Azahar, Siti Zakirah
Indonesian Journal of Chemistry Vol 24, No 3 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.82848

Abstract

A phytochemical investigation of three species of Malaysian Dipterocarpus contributed to the isolation of 22 compounds which consist of 15 oligostilbenoids, 2 terpenes, 2 coumarins, and 3 flavonoids. The isolation of flavonoids in the Dipterocarpaceae family is very limited. Moreover, 4-methoxepigallocatechin-3-O-O-(3-methyl) gallate (20) was isolated for the first time in the plant. The occurrence of 4-O-methylgallocatechin (18) and its stereoisomer; 4-O’-methylepigallocatechin (19) was first reported in the Dipterocarpaceae family. This study also reported the existence of several types of oligostilbenoids such as davidiol A (8), stenophyllol B (9), isohopeaphenol (11), resveratrol (1), and ampelopsin E (10) which are the first occurrence in Dipterocarpus genus and suggested a significant chemotaxonomic relationship between Dipterocarpus, more closely to Vatica which is classified under Dipterocarpeae tribe.
Co-Authors Adnan, Noorazlina Ahmat, Norizan Kamarozaman, Aisyah Salihah Nawi, Liliwirianis Osman, Che Puteh Takaya, Yoshiaki Zain, Wan Zuraida Wan Mohd