phenolic compounds are bioactive plant metabolites characterized by aromatic rings containing hydroxyl (-OH) groups. widely distributed in fruits, vegetables, herbs, and grains, they play essential roles as antioxidants, protecting plants from pathogens, ultraviolet radiation, and oxidative stress.
chemical properties
structure: aromatic benzene rings with hydroxyl groups
solubility: varies widely; generally soluble in water, alcohols, and organic solvents