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Antibacterial activity of ent-kaurene diterpenoids from Rabdosia rosthornii
Isao Kubo1, Yunlong Xu, Kuniyoshi Shimizu
1Department of Environmental Science, Policy and Management, University of California, Berkeley, CA 94720-3112, USA. ikubo@iclink.berkeley.edu
Abstract:
Biological activities of ent-kaurene diterpenoids, rosthornins A-D, isolated from the ether extract of the dried leaves of Rabdosia rosthornii (Diels) Hara (Labiatae) were tested. They exhibited antibacterial activity specifically against Gram-positive bacteria, among which Propionibacterium acnes was noted to be the most susceptible.
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