Abstract
The crude chloroform bark extract of Syncarpia glomulifera (Myrtaceae) shows antibacterial and cytotoxic activity. Bioactivity-directed separation
led to the isolation of oleanolic acid-3-acetate, ursolic acid-3-acetate and betulinic
acid. The relatively large abundance (10 % of the crude extract) and high degree of
activity of betulinic acid are responsible for the bioactivity of the crude bark extract.
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Professor William N. Setzer
Department of Chemistry
The University of Alabama in Huntsville
Huntsville
AL 35899
USA
Email: wsetzer@matsci.uah.edu
Phone: +1-256-890-6349