Echinacea Constituents: "The polysaccharides heterotri-and-hetero-tetraglycans, echinacein, echinoside, echinacin B, Sequiterpenes and diterpenes, inulin, two isomeric 2 - methyltetradecadienes, several conjugaterd forms of caffeic acid, etc". Ref. A p.47 |