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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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Memorigenic

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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
CHOLINE *
CHROMIUM *
HUPERZINE-A *
HUPERZINE-B *
PHYSOSTIGMINE 0.25-2 mg/orl/hmn/ ca 2 hrs/ Martindale's 29th
RIBONUCLEIC-ACID Martindale's 29th
SITOINDOSIDES Hutchings, A, Scott, AH, Lewis, G, and Cunningham, A. 1996. Zulu
Medicinal Plants. An inventory. University of Natal Press, Pietermaritzburg. 450 pp.
TETRAHYDROAMINOACRIDINE *
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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
Digitalis purpurea Purple Foxglove 1 0
Dioscorea sp. Wild Yam 1 26
Dioscorea villosa Wild Yam 1 2.5999999046325684
Diospyros virginiana American Persimmon 1 3.700000047683716
Echinacea purpurea Echinacea; Eastern Purple-Coneflower; Purple-Coneflower 1 5.699999928474426
Echinacea spp Coneflower; Echinacea 1 38
Elaeagnus umbellatus Russian Olive 1 0
Elettaria cardamomum Cardamom 2 6, 887.5
Eleutherococcus senticosus Eleuthero Ginseng; Siberian Ginseng; Spiny Ginseng; Wu jia; Ci wu jia (Pinyin) 1 0
Elytrigia repens Couchgrass; Doggrass; Quackgrass; Wheatgrass; Twitchgrass 1 185
Ephedra sinica Ma Huang; Chinese Ephedra 1 0
Equisetum arvense Field Horsetail; Horsetail 1 4.400000095367432
Eriodictyon californicum Yerba Santa; California Yerba Santa; Hierba Santa; Mountain Balm; Bear's Weed; Consumptive's Weed; Tarweed; Gum Bush; Holy Herb 1 15.300000429153442
Erythroxylum coca Coca 1 3.799999952316284
Eupatorium perfoliatum Boneset 1 0
Euphorbia hirta Queensland Asthma Herb 1 0
Euphrasia officinalis Eyebright 2 0.699999988079071
Fallopia japonica Japanese Knotweed; Giant Knotweed; Mexican Bamboo; Hu-Zhang 1 56
Foeniculum vulgare Fennel 2 5.5
Fragaria spp Strawberry 1 0.18000000715255737