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

Biological Activity Hypnotic

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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
TRYPTOPHAN Martindale's 29th
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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
Vigna unguiculata Cowpea; Black-eyed Pea; Crowder Pea; Southern Pea 1 30, 902
Vitellaria paradoxa Butterseed; Shea Nut; Shea-Butter-Tree; Sheatree; Shea 1 4, 000
Vitex agnus-castus Chaste-Tree 1 0.5
Vitis vinifera Grape; European Grape; Wine Grape; Grapevine; Vigne Vinifere (Fr.); Weinrebe (Ger.); Parra (Sp.); Vid (Sp.) 3 2, 185, 232
Withania somnifera Ashwagandha 1 0
Zea mays Corn 5 957.0010000000475
Zingiber officinale Ginger 3 31, 436.001000000047
Zizyphus jujuba Da-Zao; Jujube; Ta-Tsao 1 9, 000