An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

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

Antioxidant

Select a Results View:

Download these results as:
CSV
EXCEL
PDF
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 2/3 quercetin *
ELLAGIC-ACID IC98=30 ppm *
ELLAGITANNIN *
EMBELIN *
EPICATECHIN 3/4 quercetin *
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-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 *
Download these results as:
CSV
EXCEL
PDF
List of Activity Plants.
Click on column headings to sort table by that column.
Plant Name Common Name Chemical Count Total Parts Per Million
Aleurites moluccana Candlenut; Candleberry; Candlenut Tree; Indian Walnut; Lumbangtree; Varnishtree 4 947, 700
Alisma plantago-aquatica Mud Plantain; Tse-Hsieh; Water Plantain; Ze-Xie 10 1, 916
Alliaria petiolata Garlic Mustard 5 9, 760
Allium ampeloprasum Elephant Garlic; Kurrat 24 14, 060.799998760223
Allium cepa Onion; Shallot 45 814, 195.8459992362
Allium sativum var. sativum Garlic 54 218, 538.77000029385
Allium schoenoprasum Chives 18 55, 405.5
Alnus glutinosa Black Alder 5 400, 000
Alocasia macrorrhiza Giant Taro 5 647.0000001192093
Aloe spp. Aloe 5 6, 293.899999976158
Aloe vera Bitter Aloes; Aloe 22 48, 978.19999957085
Aloysia citrodora Lemon Verbena 13 2, 758
Alpinia galanga Greater Galangal; Siamese Ginger; Languas 14 5, 900, 259
Alpinia officinarum Lesser Galangal; Chinese Ginger 9 3, 600
Althaea officinalis Marshmallow; White Mallow 25 119, 946.40000009537
Amaranthus sp. Pigweed 8 37, 835
Amaranthus spinosus Spiny pigweed 8 5, 458
Ambrosia hispida Margarita de Mar 2 669.5
Ammi majus Bishop's Weed 5 9, 000
Ammi visnaga Visnaga 12 0