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Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press. Please read and understand the disclaimer before using the data. For complete metadata and a data dictionary, see the Ag Data Commons record about this database.

About Dr. James Duke

Dr. James Duke Oral History Interview (1988)

Dr. James A. Duke Wikipedia Biography

Dr. Duke's Phytochemical and Ethnobotanical Databases Wikipedia page

Dr. Duke's Green Farmacy Garden

How to Cite the Database

Contents of this database are made available under a Creative Commons CC0 public domain dedication. The suggested citation is:
U.S. Department of Agriculture, Agricultural Research Service. 1992-2016. Dr. Duke's Phytochemical and Ethnobotanical Databases. Home Page,

Articles citing Dr. Duke's Database

A continually updated bibliography of scholarly publications that cite Dr. Duke's database is available here: