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

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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
TYROSINE 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
Brassica oleracea var. sabellica l. Kale; Curly Kale; Kitchen Kale; Scotch Kale 2 40, 420
Brassica oleracea var. viridis l. Collards; Cow Cabbage; Tall Kale; Tree Kale; Spring-Heading Cabbage 2 50, 810
Brassica rapa Turnip; Seven-Top Turnip; Rapini 2 73, 921
Cajanus cajan Pigeonpea 2 8, 385
Calathea allouia Leren; Lleren 1 3, 970
Cannabis sativa Marijuana; Marihuana; Indian Hemp; Hemp 1 0
Capsicum annuum Bell Pepper; Green Pepper; Cherry Pepper; Sweet Pepper; Cone Pepper; Paprika 2 23, 730
Capsicum frutescens Cayenne; Chili; Tabasco; Hot Pepper; Spur Pepper; Red Chili 2 33, 294
Carica papaya Papaya 2 1, 164
Carum carvi Caraway; Carum; Kummel (Ger.); Comino (Sp.); Comino de prado (Sp.) 2 49, 175
Castanea dentata American Chestnut 2 3, 779
Castanea mollisima Chinese Chestnut 2 3, 609
Castanea sativa European Chestnut 2 1, 736
Ceratonia siliqua Carob; St.John's-Bread; Locust Bean 1 49, 350
Chenopodium album Lambsquarter 2 13, 569
Chrysophyllum cainito Caimito; Star Apple 1 240
Cicer arietinum Chickpea; Garbanzo 2 20, 770
Cichorium endivia Endive; Escarole 2 14, 492
Cichorium intybus Chicory; Witloof; Succory 1 11, 016
Citrullus lanatus Watermelon 2 12, 438