Hunterioside, First Biose Bound Monoterpenoid Indole Alkaloid from Hunteria zeylanica.

A novel glycosidic alkaloid, hunterioside, together with strictosidinic acid was isolated from Hunteria zeylanica, and the structure was found to be 6'-alpha-D-glucoside of strictosidinic acid. This isolation is the first finding of a bioside congener of monoterpenoid indole alkaloid glucosides.