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

Biological Activity Sunscreen

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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
FERULIC-ACID Chemical Marketing Reporter; a weekly tabloid, 9/10/92.
FRAXETIN IC98=50 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
FRAXETIN IC95=20 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
FRAXIN IC73=50 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
FRAXIN IC23=20 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
GLABRIDIN *
LAWSONE 0.25% *
OPC *
OPCS *
P-AMINOBENZOIC-ACID 5-15% Martindale's 28th
P-AMINOBENZOIC-ACID IC47=2.5 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
P-AMINOBENZOIC-ACID IC93=25 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
P-AMINOBENZOIC-ACID IC95=5 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
PABA IC47=2.5 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
PABA IC93=25 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
PABA IC95=5 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
PARA-AMINOBENZOIC-ACID (PABA) *
PROCYANIDIN-A-2 *
PROCYANIDINS *
PROPYL-GALLATE Martindale's 28th
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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
Brunfelsia uniflorus Manaca 1 0
Caesalpinia pulcherrima Bird Of Paradise 2 0
Calendula officinalis Calendula; Pot-Marigold 3 0
Camellia sinensis Tea 7 1, 580
Capparis spinosa Caper; Caperbush 1 0
Capsella bursa-pastoris Shepherd's Purse 1 0
Capsicum annuum Bell Pepper; Green Pepper; Cherry Pepper; Sweet Pepper; Cone Pepper; Paprika 3 23, 442
Capsicum frutescens Cayenne; Chili; Tabasco; Hot Pepper; Spur Pepper; Red Chili 4 3, 498
Carica papaya Papaya 2 0
Carum carvi Caraway; Carum; Kummel (Ger.); Comino (Sp.); Comino de prado (Sp.) 2 42, 600
Castanea sativa European Chestnut 2 0
Catalpa bignonioides Indian bean 1 0
Catalpa ovata Hsin-Pa-Pi; Kisasage 1 0
Ceiba pentandra Kapok; Silk-Cotton Tree 1 0
Celosia cristata Cockscomb 1 0
Centaurea calcitrapa Star-Thistle 2 0
Centaurea cyanus Cornflower; Bachelor's Button 5 0
Centaurium erythraea Centaury 2 0
Ceratonia siliqua Carob; St.John's-Bread; Locust Bean 1 0
Chamaemelum nobile Garden Camomile; Perennial Camomile; Roman Camomile 5 0