Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
HPLC-DAD UV chromatograms (200–600 nm) showing coumarins and caffeoylquinic acids in n-butanol extracts of different chamomile varieties. Peak numbers refer to Table 2. 15: 5-O-caffeoylquinic acid (* formic acid adduct); 16: fraxin; 18: isofraxidin-7-hexoside; 26–29: 1,4-/1,3-/1,5-/4,5-dicaffeoylquinic acids.
