Bioassay-guided fractionation of the alkaloidal extract of the green fruits of Solanum asperum afforded a new compound, solanandaine along with solasonine and solamargine. The total crude alkaloids as well as the isolated pure alkaloids exhibited significant molluscicidal activity.
Solanum asperum; glycoalkaloid; solanandaine; solasonine; solamargine; molluscicidal