Karaviloside is any of several related cucurbitane triterpenoid glycosides found in bitter melon vine (Momordica charantia).[1][2][3] They include:
Karavilosides I, II, and III can be extracted from the M. charantia fruit with methanol.[1][3] Karavilosides III, V, and XI can be extracted from the M. charantia roots by methanol.[2]