The present invention relates to uses of decarboxylated phenolic acid derived from chlorogenic acid of coffee as well as products comprising decarboxylated phenolic acid derived from chlorogenic acid of coffee, especially a coffee extract, and methods of producing such products. Coffee comprises chlorogenic acids, according to the invention these chlorogenic acids can be transformed into decarboxylated phenolic acids. The resulting decarboxylated phenolic acids have antioxidant and/or anti-inflammatory properties and can be used as ingredients in food and beverage products and to treat certain health conditions.