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This web site is in beta release. The current version is Comments and suggestions for how to improve searching and reporting are welcome. Please send your feedback to NAL Staff. Please replace any bookmarks to the legacy site at http://www.ars-grin.gov/duke with this site.

About the Data

Data are the latest available. 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. Users of the legacy system can see a Cross-Reference to Queries in the Legacy System. For complete metadata and a data dictionary, see the Ag Data Commons record about this database (https://data.nal.usda.gov/dataset/dr-dukes-phytochemical-and-ethnobotanical-databases)