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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 *
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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
Juglans regia English Walnut 4 4, 132
Juniperus communis Common Juniper; Juniper 6 0
Justicia pectoralis Angel Of Death; Bolek Hena; Curia 1 0
Kalanchoe pinnata Air Plant; Siempre Viva 2 0
Krameria triandra Rhatany 1 0
Lactuca sativa Lettuce 2 0
Lactuca scariola Prickly Lettuce 1 0
Lactuca virosa Bitter Lettuce 1 0
Lagerstroemia indica Crape Myrtle 1 0
Laurus nobilis Bayleaf; Sweet Bay; Grecian Laurel; Bay Laurel; Laurel; Bay 2 0
Lavandula angustifolia English Lavender 1 0
Lawsonia inermis Henna; Mignonette; Jamaica-Mignonette; Mignonette Tree 4 1, 060, 520
Lens culinaris Lentil 2 0
Leonurus cardiaca Motherwort 1 0
Leptospermum scoparium Manuka; Broom Teatree 1 0
Levisticum officinale Lovage 3 0
Ligustrum japonicum Japanese Privet; Ligustri Fructus 2 0
Ligustrum lucidum Chinese Privet; Glossy Privet; Ligustri Fructus; Privet; White Waxtree 1 0
Linum usitatissimum Flax; Linseed 4 0
Liquidambar styraciflua American Styrax; Sweetgum 1 0