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-UV map (a); and RP-HPLC-DAD chromatogram at 280 nm (b) of low-temperature sample of D. palmatum herb; ESI-MS spectra of unknown compounds 6 (eriodictyol-O-malonyl-hexoside) and 20 (luteolin-O-acetyl-hexoside) presented at (c,d), respectively. The numbers in the Figure 1a,b correspond to the compounds indicated in Table 4. AU, absorbance units; Int., signal intensity.
