“…The herb S. collina contains various amino acids, flavonoids, glycosides, steroids, glycoalkaloids and vitamins [ 58 , 59 ]. A previous investigation of the aerial part showed the presence of alkaloids that were isolated and identified as pericampylinone-A ( 120 ), salsoline A ( 114 ), N-trans -feruloyl-3- O -methyldopamine ( 102 ), salsoline B ( 115 ), moupinamide ( 96 ), 2′-hydroxymoupinamide ( 97 ), 2′-hydroxy-3″-methylmoupinamide ( 98 ), uracil ( 117 ), uridine ( 118 ), N -acetyltryptophan ( 121 ).…”