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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
AESCULETIN IC98=20 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
AESCULETIN IC100=50 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
AESCULIN *
AESCULIN IC39=20 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
AESCULIN IC26=50 mg/l *
ALLANTOIN 0.10% Jim Duke's personal files.
ALOESIN Jim Duke's personal files.
APIGENIN *
CAFFEIC-ACID IC50=2.5 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
CAFFEIC-ACID IC91=5 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
CAFFEIC-ACID IC98=25 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
CHLOROGENIC-ACID *
CYCLOHEXYL-ANTHRANILATE Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry
DIGALLOYL-TRIOLEATE 2-5% Martindale's 28th
DIHYDROXYACETONE Jim Duke's personal files.
ELLAGIC-ACID 0.50% Jim Duke's personal files.
ESCULETIN IC98=20 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
ESCULETIN IC100=50 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
ESCULIN IC39=20 mg/l Lazarova*, G., Kostova, I., Neychev, H. 1992. Photodynamic damage prevention by some hydroxycoumarins. Fitoterapia 64(2): 134-136, 1993.
ESCULIN IC26=50 mg/l *
Download these results as:
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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
Pueraria pseudohirsuta Chinese Kudzu 1 0
Punica granatum Pomegranate; Grenadier (Fr.); Granatapfelbaum (Ger.); Granatapfelstrauch (Ger.); Zakuro (Jap.); Romanzeiro (Port.); Granado (Sp.); Mangrano (Sp.) 6 0
Pyrus communis Pear 1 59, 100
Quercus infectoria Aleppo Oak; Dyer's Oak; Gall Oak 1 0
Quercus rubra Northern Red Oak 1 0
Raphanus sativus Radish 2 289
Rheum officinale Chinese Rhubarb 3 13, 000
Rheum rhabarbarum Rhubarb 3 6, 032
Rhododendron dauricum Chinese Alpenrose 1 0
Rhododendron ponticum Pontic Alpenrose 2 0
Rhus coriaria Sicilian Sumac; Sumac; Tanner's Sumac 1 0
Ribes nigrum Black Currant 4 0
Ribes uva-crispa Gooseberry 2 0
Ricinus communis Castorbean 5 2, 380
Rosa canina Rose; Dogbrier; Dog Rose 2 0
Rosa damascena Damask Rose 1 15, 000
Rosa multiflora Multiflora Rose 1 0
Rosmarinus officinalis Rosemary 4 0
Rubus fruticosus Blackberry 2 0
Rubus idaeus Red Raspberry; Raspberry 4 100