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Isoflavonoid biosynthetic pathway in legumes showing parallel processing of 5-reduced chalcones (left side) and 5-hydroxylated (right side) chalcones and isoflavones. Naringenin is the key branch point for producing isoflavonoids or other flavonoids such as flavonols, anthocyanins and condensed tannins. Enzymes and their abbreviations are labelled in italics; dashed arrows indicate several enzymatic reactions.
