Morin (Al-Morin, Aurantica, Calico Yellow, Toxylon pomiferum), a constituent of various woods, has a role as an antioxidant, a metabolite, an antihypertensive agent, a hepatoprotective agent, a neuroprotective agent, an anti-inflammatory agent, an antineoplastic agent, an antibacterial agent, a DNA topoisomerase inhibitor and an angiogenesis modulating agent.