An official website of the United States government

Here's how you know

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.

Dr. Duke's Phytochemical and Ethnobotanical Databases

U.S. Department of Agriculture

Search
Help
About
Contact Us
Disclaimer

Home
Free-Radical Scavenging

Biological Activity Free-Radical Scavenging

Select a Results View:

Chemicals
Plants

Policies and Links
Plain Writing
FOIA
Accessibility Statement
Privacy Policy
Non-Discrimination Statement
Office of the Assistant Secretary for Civil Rights (OASCR)
Information Quality
National Agricultural Library
Agricultural Research Service
USDA.gov
USA.gov
WhiteHouse.gov