Anti-Inflammatory Activity of Diterpene Alkaloids from Aconitum baikalense

We compared anti-inflammatory activity of individual diterpene alkaloids isolated from Aconitum baikalense (napelline, songorine, hypaconitine, mesaconitine, 12-epinapelline N-oxide) under conditions of acute inflammation of different genesis. The tested substances showed high antiexudative activity comparable with that of sodium diclofenac. Unlike nonsteroidal anti-inflammatory drugs, diterpene alkaloids exerted no ulcerogenic effect.