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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 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.
ELLAGIC-ACID IC98=30 ppm *
ELLAGITANNIN *
EMBELIN *
EPICATECHIN 2.5 x Vit. E *
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 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
Thymus broussonettii Moroccan Thyme 8 5, 590.10000000149
Thymus capitatus 'Sicilian' Thyme; Spanish Origanum; Spanish Thyme 9 47, 838
Thymus cilicicus 'Anatolian' Thyme 5 566.3000000044703
Thymus funkii Funk's Thyme 8 1, 766
Thymus longicaulis Kekik; Tas Kekik 7 854
Thymus mastichina Spanish Marjoram 7 701
Thymus orospedanus Orosped Thyme 7 9, 504
Thymus riatarum 'Moroccan' Thyme 7 4, 985
Thymus saturejoides Moroccan Savory Thyme 8 3, 050.10000000149
Thymus serpyllum Creeping Thyme 15 266, 435
Thymus vulgaris Common Thyme; Garden Thyme; Thyme 46 4, 521, 854.100000858
Thymus x citriodorus Funk's thyme; Lemon Thyme 4 260
Thymus zygis 'Portuguese' Thyme 8 23, 150.10000000149
Tilia sp. Basswood; Lime; Linden 20 0
Trachyspermum ammi Ajwan 7 36, 488.09999847412
Tragopogon porrifolius Salsify 10 513.2680000066757
Tribulus terrestris Puncture-vine 8 4, 420
Trichilia hirta Jojoban 1 0
Trichosanthes anguina Snakegourd 4 9, 029
Trichosanthes kirilowii Chinese Cucumber 3 0