Phenolic compound antioxidant activity

"Antioxidant activity via phenolic compounds" is not a specific molecular target such as a receptor, enzyme, or transporter. Instead, it refers to the collective **biological property** of a diverse group of plant-derived molecules known as **phenolic compounds**. These compounds include classes such as flavonoids, phenolic acids (e.g., caffeic acid, ferulic acid), tannins, stilbenes (e.g., resveratrol), and lignans. Their **antioxidant action** is primarily due to their ability to donate hydrogen atoms or electrons to neutralize free radicals and reactive oxygen species (ROS), chelate transition metals that catalyze oxidative reactions, and modulate the activities of various enzymes involved in oxidative stress pathways[1][2][3][4]. The number and position of hydroxyl groups on their aromatic rings are key determinants for their antioxidant potency[5]. Phenolic antioxidants are widely distributed in fruits, vegetables, cereals, beverages like tea and wine; they contribute significantly to the total antioxidant capacity in human diets. Epidemiological studies associate high dietary intake with reduced risk for chronic diseases including cardiovascular disorders and neurodegeneration[4]. However—crucially—this entry does not represent a single molecular entity or druggable target but rather describes an entire class's functional property. Therefore: > "Antioxidant activity via phenolic compounds" is not considered a canonical therapeutic target but rather describes the mechanism by which many structurally related natural products exert beneficial biological effects through redox modulation. References supporting these statements include reviews on mechanisms and health impacts of dietary polyphenols[1][2][3], structural determinants for antioxidant efficacy[5], and summaries on their roles in chronic disease prevention[4].

Other names

Phenolic antioxidantsAntioxidant phenolicsPolyphenol antioxidant activityPlant phenolic antioxidants