A study on the contents of allelochemical phenolic acids from different cultivars of alfalfa

The contents of five allelochemical phenolic acids(chlorogenic acid,p-coumaric acid,p-hydroxybenzoic acid,caffeic acid,and ferulic acid) from ten cultivars of alfalfa were analyzed by high performance liquid chromatography(HPLC).The allelochemical phenolic acids were aqueous extracts of aerial parts and roots and they differed between the alfalfa cultivars.The chlorogenic acid and caffeic acid con…