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  • The submitted value 0 in the # Activity element is not allowed.
  • The submitted value 0 in the Ubiquitous Chemicals element is not allowed.
  • Deprecated function: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in Drupal\Core\EventSubscriber\ActiveLinkResponseFilter->onResponse() (line 85 of core/lib/Drupal/Core/EventSubscriber/ActiveLinkResponseFilter.php).
  • Deprecated function: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in Drupal\Core\EventSubscriber\RssResponseRelativeUrlFilter->onResponse() (line 24 of core/lib/Drupal/Core/EventSubscriber/RssResponseRelativeUrlFilter.php).

Search the Databases

Dr. Duke's Phytochemical and Ethnobotanical databases facilitate in-depth plant, chemical, bioactivity, and ethnobotany searches using scientific or common names. Search results can be downloaded in PDF or spreadsheet form. Of interest to pharmaceutical, nutritional, and biomedical research, as well as alternative therapies and herbal products.

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