From the epigeal part of Solanum pseudopersicum Pojark. collected in the village of Karakolla, Azerbaidzhan SSR, combined glycoalkaloids were isolated and separated into four substances identified as solasonine, solamargine, β-solamargine, and α-soladulcine. Acid hydrolysis of solasonine, solamargine, and β-solamargine yielded the same aglycone solasodine, with sugar residues including D-glucose, D-galactose, L-rhamnose (in solasonine) and D-glucose plus two L-rhamnose (in solamargine and β-solamargine). Hydrolysis of α-soladulcine gave aglycone soladulcidine and sugar moiety consisting of D-galactose, D-xylose, and two D-glucose. Additionally, combined saponins from the plant yielded sapogenins diosgenin and tigogenin after acid hydrolysis and separation.