Pathway Id | ko00941 |
Class & Sub-Class | Class: Metabolism Sub-Class: Biosynthesis of other secondary metabolites |
Description | Flavonoids are a major class of plant secondary metabolites that serves a multitude of functions including pigments and antioxidant activity. Flavonoids are synthesized from phenylpropanoid derivatives by condensation with malonyl-CoA. For example; condensation of p-coumaroyl-CoA (C6-C3) with three malonyl-CoA (C3) molecules results in naringenin chalcone with a diphenylpropane (C6-C3-C6) unit; which is converted to naringenin with the flavone (2-phenylchromen-4-one) backbone by conjugate ring closure. These and further modifications yield a variety of structural forms including chalcones; flavanones; dihyroflavonols; and flavans; anthocyanins; flavones and flavonols; and isoflavonoids. Source: KEGG Database |
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