Isovitexin (or homovitexin, saponaretin) is a flavone. the apigenin-6-C-glucoside. It can be found in the passion flower, Cannabis, and the açaí palm. Isovitexin (or homovitexin, saponaretin) is a flavone. the apigenin-6-C-glucoside. It can be found in the passion flower, Cannabis, and the açaí palm. Saponarin is the isovitexin-7-O-glucoside.