Herbalists consider echinacea one of the best blood purifiers and an effective antibiotic. Constituents of echinacea include polysaccharides, polyacetylenes, sesquiterpenes, polyphenols, and more. It has remained one of the top selling herbal remedies in the United States. This chromatogram shows separation and detection of several polyphenolic compounds in echinacea extract.

Conditions for the determination of phenolic compounds in echinacea extracts

Determination of phenolic compounds in echinacea extracts using UV absorbance detection at 330 nm