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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
Nicotiana glauca Tree Tobacco 1 21, 000
Nicotiana tabacum Tobacco 6 10, 000
Nigella sativa Black Cumin; Roman Coriander; Fennel-Flower; Nutmeg-Flower; Black Caraway 1 1, 000
Ocimum basilicum Basil; Sweet Basil; Cuban Basil 7 171, 900
Ocimum tenuiflorum Anise-Scented Basil 1 0
Oenothera biennis Evening-Primrose 3 0
Olea europaea Olive 8 0
Ononis spinosa Spiny Restharrow; Restharrow; Hauhechel (Ger.) 2 0
Opopanax chironium Hercules All Heal; Opopanax 2 0
Opuntia ficus-indica Indian Fig; Prickly Pear; Nopal; Nopalito 1 0
Origanum majorana Marjoram; Sweet Marjoram 3 84, 600
Origanum vulgare Common Turkish Oregano; Wild Oregano; Oregano; Pot Marjoram; Wild Marjoram; European Oregano 4 127, 080
Oryza sativa Rice 4 0
Panax ginseng Chinese Ginseng; Oriental Ginseng; Ginseng; Korean Ginseng 3 0
Panax quinquefolius American Ginseng; Ginseng 2 0
Papaver somniferum Opium Poppy; Poppyseed Poppy 4 118
Passiflora incarnata Manzana de Mayo; Mayapple; Passionflower 3 0
Pastinaca sativa Parsnip 2 0
Perilla frutescens Perilla 2 0
Persea americana Avocado 2 0