Jaceosidin (CAS 18085-97-7) is a bioactive O-methylated flavone predominantly extracted from Artemisia species and Morinda officinalis roots. With the molecular formula C??H??O? and a molecular weight of 330.29 g/mol, this compound is characterized by its potent antioxidant and anti-inflammatory properties. Studies highlight its roles in modulating cellular pathways relevant to chronic diseases and cosmetic applications.