Dokmeci, D., Inan, M., Basaran, U

Hydroxybenzoic acid, derived from benzoic acid, possesses a C 6 -C 1 carbon structure, while hydroxycinnamic acids, derived from cinnamic acid, typically occur in plants as simple esters with quinic acid or glucose ( Flavonoids are the most well-known and extensively studied class of polyphenols ( Phenolic acids could donate hydrogen atoms, suggesting their antioxidant properties ( On the other hand, flavonoids contribute to activating defense responses by modulating the production of reactive oxygen species (ROS) under stress conditions ( 2.2 Stilbenes This class of polyphenols represents a distinct group of non-flavonoid phytochemicals characterized by two aromatic rings linked by a methylene bridge ( The abundance of resveratrol in red wine has contributed to hypotheses regarding its potential role in preventing chronic diseases ( 2.3 Lignans Lignans are another class of polyphenols that share structural similarities with phenolic acids ( Lignans are primarily found in vegetables, cereals, and legumes

Shah, R., Sabir, S., & Alhawaj, A
doi: 10.3390/antiox13121486
Brain GSH depletion is considered to precede the clinical progression of age-related neurodegenerative diseases [69,116,117]