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

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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
ELLAGIC-ACID IC98=30 ppm *
ELLAGIC-ACID 2/3 quercetin *
ELLAGIC-ACID >50 x tocopherol Osawa, T. Phenolic Antioxidants in Dietary Plants as Antimutagens.Phenolic Compounds in Food and Their Effects on Health, Ch.11 p.142.
ELLAGITANNIN *
EMBELIN *
EPICATECHIN IC50=6.3 ug/ml Uchida, U., Ohta, H., Niwa, M., Mori, A., Nonaka, G-i., Nishioka, I., and Zaki, M. 1989. Prolongation of Life Span of Stroke-Prone Spontaneously Hypertensive Rats (SHRSP) Ingesting Persimmon Tannin. Chem. Pharm. Bull. 38(4): 1049-1052, 1990.
EPICATECHIN 2.5 x Vit. E *
EPICATECHIN IC50=10.2 uM *
EPICATECHIN 3/4 quercetin *
EPICATECHIN-3-O-GALLATE IC50=0.16 ug/ml Uchida, U., Ohta, H., Niwa, M., Mori, A., Nonaka, G-i., Nishioka, I., and Zaki, M. 1989. Prolongation of Life Span of Stroke-Prone Spontaneously Hypertensive Rats (SHRSP) Ingesting Persimmon Tannin. Chem. Pharm. Bull. 38(4): 1049-1052, 1990.
EPICATECHIN-GALLATE >10 x tocopherol Osawa, T. Phenolic Antioxidants in Dietary Plants as Antimutagens.Phenolic Compounds in Food and Their Effects on Health, Ch.11 p.142.
EPIGALLOCATECHIN IC50=1.4 ug/ml Uchida, U., Ohta, H., Niwa, M., Mori, A., Nonaka, G-i., Nishioka, I., and Zaki, M. 1989. Prolongation of Life Span of Stroke-Prone Spontaneously Hypertensive Rats (SHRSP) Ingesting Persimmon Tannin. Chem. Pharm. Bull. 38(4): 1049-1052, 1990.
EPIGALLOCATECHIN-3-O-GALLATE IC50=0.14 ug/ml Uchida, U., Ohta, H., Niwa, M., Mori, A., Nonaka, G-i., Nishioka, I., and Zaki, M. 1989. Prolongation of Life Span of Stroke-Prone Spontaneously Hypertensive Rats (SHRSP) Ingesting Persimmon Tannin. Chem. Pharm. Bull. 38(4): 1049-1052, 1990.
EPIROSMANAL *
ERIODICTYOL *
ESCIN *
ESCULIN Jim Duke's personal files.
ETHYL-BETA-D-GLUCOPYRANOSYL-TUBERONATE 30 mM *
ETHYL-GALLATE Martindale's 28th
EUCHRESTINE-B >tocopherol *
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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
Artemisia cina Levant Wormseed 2 0
Artemisia dracunculus Tarragon 48 120, 885
Artemisia herba-alba Desert Wormwood 4 0
Artemisia pallens Davana 1 0
Artemisia salsoloides 4 61, 000
Artemisia vulgaris Mugwort 11 6, 021
Artocarpus altilis Breadfruit 9 19, 047.60000000149
Artocarpus heterophyllus Jackfruit 7 66, 454
Arundo donax Giant Reed 7 227, 000
Asarum canadense Wild Ginger 2 0
Asclepias syriaca Milkweed 5 84, 720
Asiasarum heterotropoides Asian Wild Ginger 2 248
Asiasarum sieboldii Siebold's Wild Ginger 3 248
Asimina triloba Pawpaw 13 573, 397.5
Aspalathus linearis Rooibos; Kaffree Tea; Red Bush Tea 28 1, 473, 853.1399990916
Asparagus lucidus Lucid Asparagus 2 10
Asparagus officinalis Asparagus 19 49, 129.07800000161
Aspidosperma quebracho-blanco Quebracho 3 80, 000
Astragalus membranaceus Huang-Chi; Huang Qi 16 7
Astrocaryum vulgare Awarra Palm; Tucum Palm; Tucuma Palm; Tucuma 3 5, 328, 400