Powdered leaves yield soft resins and a fatty matters colored with chlorophyll.

• Yields a bitter alkaloid which assumes a reddish-brown color with sulphuric acid

• Study yielded: acancifoliuside, a new coumaric acid derivative, acancifoliuside, and six known compounds: acteoside, isoacteoside, acanthaminoside, (+)-lyoniresinol 3a-O-ß-glucopyranoside, (-)-lyoniresino, and a-amyrin.

• Study of aerial parts yielded two lignan glucosides, (+)-lyoniresinol 3a-[2-(3,5-dimethoxy-4-hydroxy)-benzoyl]-O- -glucopyranoside, and dihydroxymethyl-bis(3,5-dimethoxy-4-hydroxyphenyl) tetrahydrofuran-9(or 90)-O--glucopyranoside have been isolated, together with eight known compounds. 

• Study isolated a new compound, 5,11-epoxymegastigmane glucoside, along with one known compound, megastigmane glucosides, (6S, 9S)-roseoside. 

• Study yielded five compounds: luteolin 7-O-beta-D-glucuronide, apigenin-7-O-beta-D-glucuronide, methylapigenin-7-O-beta-D-glucuronate, uridine, and uracil.