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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 >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 *
ELLAGIC-ACID 2/3 quercetin *
ELLAGITANNIN *
EMBELIN *
EPICATECHIN 2.5 x Vit. E *
EPICATECHIN IC50=10.2 uM *
EPICATECHIN 3/4 quercetin *
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-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
Canavalia rosea 1 0
Canavalia sericea 1 0
Canavalia virosa 1 0
Canna indica Achira; Queensland Arrowroot 3 421.2000000476837
Cannabis sativa Marijuana; Marihuana; Indian Hemp; Hemp 10 8.239999994635582
Capparis spinosa Caper; Caperbush 10 48, 900.32000017166
Capsella bursa-pastoris Shepherd's Purse 12 6, 936.39999961853
Capsicum annuum Bell Pepper; Green Pepper; Cherry Pepper; Sweet Pepper; Cone Pepper; Paprika 38 4, 164, 392.411999859
Capsicum frutescens Cayenne; Chili; Tabasco; Hot Pepper; Spur Pepper; Red Chili 30 357, 426
Carapa guianensis Andiroba 1 65, 000
Carica papaya Papaya 29 269, 121
Carica pentagona Babaco; Mountain papaya 2 8, 548
Carthamus tinctorius Safflower 12 29, 320.83999980986
Carum carvi Caraway; Carum; Kummel (Ger.); Comino (Sp.); Comino de prado (Sp.) 28 3, 456, 165
Carya glabra Pignut Hickory 1 3, 300
Carya illinoensis Pecan 9 53.14999993517995
Carya ovata Shagbark Hickory 2 2, 758.019999999553
Casimiroa edulis Matasano; White sapote 5 2, 802.6000003814697
Cassia tora Sickle Senna 3 4, 982
Castanea dentata American Chestnut 5 9, 143