Bioactive sesquiterpenes isolated from the essential oil of Dalbergia odorifera T. Chen

Investigation of the essential oil from the heartwood of Dalbergia odorifera T. Chen afforded the sesquiterpenes 1 and 2, that both showed anti-platelet activity. Their backbones were totally the same only with subtle difference in the chiral centre. Additionally, antithrombotic and anti-platelet activities of these two compounds were measured. The results showed that the antithrombotic activity of these two compounds was poor, while their anti-platelet activity was strong at middle and high concentrations.

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