Wiktionary
apigenin
n. (context organic compound English) A flavone, that exists as a glycoside in many plants, that reverses the adverse effects of cyclosporine
Wikipedia
Apigenin
Apigenin (4′,5,7-trihydroxyflavone), found in many plants, is a natural product belonging to the flavone class that is the aglycone of several naturally occurring glycosides. It is a yellow crystalline solid that has been used to dye wool.