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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 alternative therapies and herbal products.

Key: A= Biological Activity C= Chemical E= Ethnobotany Plant P= Plant S= Syndrome U= Ethnobotany Use
P Aloe vera (Bitter Aloes)
P Apocynum androsaemifolium (Bitterroot; Spreading Dogbane)
P Apocynum cannabinum (Bitterroot; Spreading Dogbane)
P Calea zacatechichi (Bitter Grass)
P Citrus aurantium (Bitter Orange)
P Citrus aurantium (Bitter Orange)
P Lactuca virosa (Bitter Lettuce)
P Momordica charantia (Bitter Melon)
P Neurolaena lobata (Bitter Wood)
P Picrasma excelsa (Bitterwood; Jamaican Quassia)
P Prunus africana (Bitter Almond)
P Quassia amara (Bitterwood; Quassia)
P Solanum dulcamara (Bitter Nightshade)
E Scaevola frutescens (Akar-pahit (Bitter vine))
E Celastrus scandens (American Bittersweet; Amerikaanse Bitterzoet; Amerikanische Bittersuss; Bittersweet; Douce Amer De L'Amerique; Falsa Dul)
E Prunus dulcis (Bitter)
E Brucea javanica (Lada pahit (Bitter pepper))
E Solanum dulcamara (Bai Ying; Bittersweet; Dulcamara; E'Nab Al Tha'Lab; Hab Al A'Lam; Helwa Morrah; Hundaebaer; K'U Ch'Ieh; Maurella; Shu Ya)
E Eurycoma longifolia (Bedara pahit (Bitter jujube))
E Cola acuminata (Bitter)