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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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List of activity chemicals.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Chemical Name Dosage Reference
ASCORBIC-ACID 1-2 g/man/day *
PSEUDOEPHEDRINE Martindale's 29th
ZINC 50 mg Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
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List of Activity Plants.
Click on column headings to sort table by that column.
Plant Name Common Name Chemical Count Total Parts Per Million
Ipomoea batatas Sweet Potato 2 5, 431
Iris x germanica Orris 1 9, 930
Isatis tinctoria Dyer's Woad 1 40
Juglans cinerea Butternut 1 37
Juglans nigra Black Walnut 2 46
Juglans regia English Walnut 2 28, 082
Juncus effusus Rush 1 38
Juniperus communis Common Juniper; Juniper 2 1, 200
Juniperus virginiana Red Cedar 1 317
Jussiaea repens Jussiaeae Herba; Pond Dragon 1 80
Justicia pectoralis Angel Of Death; Bolek Hena; Curia 1 5, 601
Lablab purpureus Bonavist Bean; Hyacinth Bean; Lablab Bean 2 3, 658.7999954223633
Lactuca sativa Lettuce 2 3, 974
Lagenaria siceraria Calabash Gourd; White-Flowered Gourd 2 5, 504
Larrea tridentata Chaparral; Creosote Bush 2 1, 520
Lens culinaris Lentil 2 771
Leonurus cardiaca Motherwort 1 42
Lepidium meyenii Maca; Peruvian Ginseng 2 5, 796
Lepidium sativum Garden Cress 1 6, 510
Licania platypus Sansapote 1 1, 005