Centaureidin is a trihydroxyflavone that consists of quercetagetin in which the hydroxy groups at positions 3, 6 and 4' have been replaced by methoxy groups. It has been isolated from Eremophila mitchellii and Athroisma proteiforme. It has a role as a cyclooxygenase 1 inhibitor, a cyclooxygenase 2 inhibitor, an antineoplastic agent and a plant metabolite. It is a trihydroxyflavone and a trimethoxyflavone.
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