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

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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
ALPHA-CAROTENE *
GAMMA-CAROTENE *
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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
Aesculus hippocastanum Horse Chestnut 1 0
Aglaonema commutatum Aglaonema aroid 2 0
Asparagus officinalis Asparagus 1 0
Balanites aegyptiacus Desert Date; Soapberry Tree; dattier du desert (Fr.); dattier sauvage (Fr.); heglik (Fr.); Zachunbaum (Ger.); betu (India); hingotia (India); lalo (India); zachun (India); mirobalano de Egipto (Sp.) 1 0
Brassica oleracea var. botrytis l. Cauliflower 1 0
Brassica oleracea var. italica Broccoli; Heading Broccoli; Sprouting Broccoli; Cape Broccoli; Purple Cauliflower; Asparagus Broccoli; Winter Broccoli; Calabrese 1 0
Capsicum annuum Bell Pepper; Green Pepper; Cherry Pepper; Sweet Pepper; Cone Pepper; Paprika 1 120
Capsicum frutescens Cayenne; Chili; Tabasco; Hot Pepper; Spur Pepper; Red Chili 1 0
Carica papaya Papaya 1 0
Citrus paradisi Grapefruit 2 0
Citrus reticulata Mandarin; Tangerine 1 4
Citrus sinensis Orange 1 1.899999976158142
Crocus sativus Saffron 1 0
Cucumis melo Cantaloupe; Melon; Muskmelon; Netted Melon; Persian Melon; Nutmeg Melon 1 0
Daucus carota Carrot 2 25
Equisetum arvense Field Horsetail; Horsetail 1 0
Eriobotrya japonica Loquat 1 0
Ficus carica Fig; Figuier Commun (Fr.); Echte Feige (Ger.); Feigenbaum (Ger.); Fico (Ital.); Figueira (Port.); Higo (Sp.); Higuera Comun (Sp.) 1 0
Ginkgo biloba Ginkgo; Maidenhair Tree 2 0
Iris x germanica Orris 1 0