Phenolic acid is found in foods like grapes, berries, pomegranates, walnuts, chocolate, coffee, and green tea. Phenolic acid accounts for about 30% of all known polyphenols. Phenolic acids are a class of aromatic compounds found in many plants and are known for their antioxidant properties SUB CATEGORY Ferulic acid naturally occurring antioxidant found in fruits and vegetables like oranges, rice, wheat, and oats antioxidant skin care P-coumaric acid plant phenolic acid found in fruits, vegetables, and grains that may help protect against cancer antioxidant, antitumor, anti-bacterial, anti-inflammatory, and antimicrobial properties. Vanillic acid A phenolic compound found in dietary sources and medicinal plants that is also used as a flavoring agent in food products Exerts diverse bioactivity against cancer, diabetes, obesity, neurodegenerative, cardiovascular, and hepatic diseases Chlorogenic acid A phenolic compound formed by the esterification of caffeic and quinic acids Chlorogenic acid was effective in preventing weight gain, inhibiting development of liver steatosis, and blocking insulin resistance induced by high-fat diet Protocatechuic acid A natural phenolic acid found in herbs and the daily diet Protocatechuic acid has a wide range of pharmacological activities including antioxidant, anti-inflammatory, neuroprotective, antibacterial, antiviral, anticancer, antiosteoporotic, analgesia, antiaging activties; protection from metabolic syndrome; and preservation of liver, kidneys, and reproductive functions. Sinapic acid A phenolic acid found in plants and mustard seed oil that is a vital metabolite in plant systems Antioxidant: Sinapic acid is an antioxidant that can help reduce inflammation in the colon and suppress gastritis Anti-cancer: Sinapic acid has anti-cancer properties Anti-inflammatory: Sinapic acid can reduce inflammation Antimicrobial: Sinapic acid has antimicrobial properties Anti-anxiety: Sinapic acid has anti-anxiety properties ferulic acid A potent antioxidant found in the cell walls of several plant species Skincare: Ferulic acid is a common ingredient in anti-aging skincare products, such as serums and moisturizers. It can help with: Anti-aging: Ferulic acid can help prevent cell damage, reduce the appearance of fine lines and wrinkles, and protect against UV damage. Skin tone: Ferulic acid can help even out skin tone and reduce hyperpigmentation. Inflammation: Ferulic acid can help reduce inflammation and calm skin conditions Caffeic acid A hydroxycinnamic acid found in fruits, vegetables, beverages, and seasonings antioxidant, anti-inflammatory and anticarcinogenic activity. Cinnamic acid A phenolic compound that can act as a natural antioxidant Cinnamic acid has been shown to have antioxidant, antibacterial, antifungal, and anticancer properties. It may also have skin-whitening activity