* Caffeic acid - burdock, hawthorn, artichoke, pear, basil, thyme, oregano, apple
* Cichoric acid
* Cinnamic acid - aloe
* Chlorogenic acid - echinacea, strawberries, pineapple, coffee, sunflower, blueberries
* Diferulic acids
* Coumaric acid
* Ferulic acid