Fig. 1. High-performance liquid chromatography chromatogram of (A) chicoric acid (CA) reference material and (B) a 60% ethanol extract of Echinacea purpurea (EPE). The arrow indicates the peak for CA. The red arrows indicate the start and end of the CA peak.

Prev Nutr Food Sci 2024;29:332~344 https://doi.org/10.3746/pnf.2024.29.3.332