Please I want to know if as a pyrone, Kojic can been be also classified as a phenolic compound?

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Why does the antioxidant activity increase as the number of OH groups on the phenolic ring increases?

and Why do double bonds reduce it ?

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Mohammed Ismael Rushdi

Both of them are not phenolic compounds they are heterocyclic compounds. Pyrone is heterocyclic chemical compounds, contains an unsaturated six-membered ring containing one oxygen atom and a ketone functional group while Kojic acid or5-Hydroxy-2-(hydroxymethyl)-4-pyrone or 2-Hydroxymethyl-5-hydroxy-γ-pyrone .

Gabriel Godson Akunna

Although they might be heterocyclic, they are not all phenolic.

Danh C. Vu

A widely accepted definition of phenolics mentions that phenolics are compounds with molecules containing aromatic ring (s) attached to hydroxyl group (s). So kojic should not be classified as a phenolic compound.