HPLC-Fingerprints and Antioxidant Constituents of Phyla nodiflora

Figure 3

(A) The chromatogram of mixture standard compounds: nodifloretin (2), onopordin (4), and eupafolin (7). (B) Chromatographic fingerprint of PNM (2010-06-PNM) by HPLC-UV at 326 nm.