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.
Structure-activity relationship of natural flavonoids with respect to indole production. (a) The structure of flavonoid aglycone and the rate of indole production inhibition in E. coli after incubation with 200 μM flavonoid aglycone for 8 h. (b) The addition or subtraction of functional groups based on quercetin and their inhibition rates on indole production.
