Investigation on the extracts of Hydnocarpus anthelminthica seeds led to the isolation of three new compounds, anthelminthicins A-C (1-3, resp.), and two known ones, namely chaulmoogric acid (4) and ethyl chaulmoograte (5). Their structures were determined mainly by using spectroscopic techniques.
Leprosy was nearly eliminated in central Europe by the beginning of 18th century. In the 2nd half of the 19th century, leprosy was imported by Lithuanian rural workers immigrating from the Russian empire into East Prussia. At that time, the ways of infection, the bacteria, and essential diagnostic