Table 18.
Chemical structures of flavonols from Stachys spp.
| Name | R1 | R2 | R3 | R4 |
|---|---|---|---|---|
| Kaempferol (91) | OH | OH | H | OH |
| Isorhamnetin (92) | OH | OH | OCH3 | OH |
| Quercetin 3-O-rutinoside (93) | O-rut | OH | OH | OH |
| Isorhamnetin 3-O-rutinoside (94) | O-rut | OH | OCH3 | OH |
rut: rutinoside.
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.