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Aurone are chemical compounds belonging to polyphenols. Aurones are plant flavonoids that provide yellow color to the flowers of some popular ornamental plants, such as snapdragon and cosmos.

In aurones, chalcone closes into a 5 instead of the 6 atoms ring (C ring) more typical of flavonoids.

Examples

• Aureusidin (molecular formula : C₁₅H₁₀O₆, molar mass : 286.23 g/mol, exact mass : 286.047738, PubChem CID : 5281220)
• Sulfuretin (6,3',4'-Trihydroxyaurone)
• 4,5,6-Trihydroxy-aurone

Metabolism

• Aureusidin synthase

references

1. ^ Specificity analysis and mechanism of aurone synthesis catalyzed by aureusidin synthase, a polyphenol oxidase homolog responsible for flower coloration. T. Nakayama, 2001

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