Isookanin can be used for the research of various illnesses including cancers, skin rashes, snake and insects bites, diabetes mellitus, diarrhoea. Isookanin acts as an anti-viral agent against HSV and varicella-zoster virus (VZV). Antioxidant activity. In Vitro Isookanin exhibits excellent DPPH scavenging activities with the EC 50 of 10.6 µM. Isookanin shows comparable cellular antioxidant activity with the IC 50 of 14.4 µM. MCE has not independently confirmed the accuracy of these methods. They are for reference only.