| Abstract: | The isoflavin retusin, squalene, 3,4′,5-trihydroxystilbene (resveratrol), 3,3′,4′,5-tetrahydroxystilbene, and a new compound constructed of fragments of retusin and 3,3′,4′,5-tetrahydroxystilbene have been isolated for the first time from an ethanolic extract of the heartwood ofMaackia amurensis Rupr. et Maxim (Fabaceae) growing in Maritime Territory. The high-molecular-weight polyphenols that impart the characteristic coloration to macckia wood are present in an amount of 7%. The majority of the phenolic compounds isolated showed a high antiradical and antioxidant activity. |
