Skip to main content

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.

Biological Activity Antioxidant

Select a Results View:

Download these results as:
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 Sort descending Dosage Reference
PROTOCATECHUIC-ACID 2/3 quercetin Duke, 1992 *
PROTOCATECHUIC-ACID 1/2 BHT Duke, 1992 *
PROTOCATECHUIC-ACID 10 x alpha-tocopherol Duke, 1992 *
PROTOPAPAVERINE IC50=61 uM Duke, 1992 *
PRUNUSOL not available Duke, 1992 *
PTEROSTILBENE not available Duke, 1992 *
PUERARIN not available Duke, 1992 *
PUNICACORTEIN not available Duke, 1992 *
PUNICALAGIN IC50=2.3 uM Duke, 1992 *
PURPUROGALLIN not available Merck 11th Edition
PYCNOGENOL not available Duke, 1992 *
PYROCATECHOL not available Jim Duke's personal files.
PYROGALLOL not available Jim Duke's personal files.
QUERCETAGENIN-7-O-GLUCOSIDE not available Duke, 1992 *
QUERCETAGETIN not available Nigg, H.N. and Seigler, D.S., eds. 1992. Phytochemical Resources for Medicine and Agriculture. Plenum Press, New York. 445 pp.
QUERCETIN ED50=2.3 uM Seidel, V., Verholle, M., Malard, Y., Tillequin, F., Fruchart, J-C., Duriez, P., Bailleul, F., Teissier, E. 2000. Phenylpropanoids from Ballota nigra L. Inhibit in vitro LDL Peroxidation. Phytotherapy Research, 14(2): 93-98.
QUERCETIN IC47=10 uM Duke, 1992 *
QUERCETIN IC96=300 ppm Phenolic Compounds in Food and Their Effects on Health. Antioxidants & Cancer Prevention. Huang, M.T., Ho, C.T. and Lee, C.Y. eds. 1992. ACS Symposium Series 507.ACS, Washington 402 pp.
QUERCETIN 4.7 x Vit. E Duke, 1992 *
QUERCETIN-3,4'-DIGLUCOSIDE not available Duke, 1992 *
Download these results as:
List of Activity Plants.
Click on column headings to sort table by that column.
Plant Name Sort descending Common Name Chemical Count Total Parts Per Million
Trichostemma dichotomum Blue Curls 3 27
Tridax procumbens Coatbuttons; Mexican daisy 5 0
Trifolium alexandrinum not available 1 0
Trifolium brachycalycinum not available 1 12, 900
Trifolium hybridum not available 1 0
Trifolium pratense Red Clover; Purple Clover; Peavine Clover; Cowgrass 40 22, 852.168000236154
Trifolium repens not available 1 0
Trifolium sp not available 1 0
Trifolium subterraneum not available 1 13, 500
Trigonella foenum-graecum Fenugreek; Greek Clover; Greek Hay; Bockshornklee (Ger.); Alholva (Sp.) 31 3, 011, 925.4999998957
Trilisa odoratissima Carolina Vanilla; Deer's Tongue; Hound's Tongue; Vanilla Plant 1 0
Tripterygium wilfordiim Yellow Vine 1 0
Triticum aestivum Wheat 36 89, 151.21999999881
Tropaeolum majus Nasturtium 6 8, 240.5
Tropaeolum tuberosum Anu; Mashua 3 9, 621.199999809265
Tsuga canadensis Eastern Hemlock 4 831, 120
Tulipa gesneriana Tulip 2 0
Turnera diffusa Damiana 10 161, 093.10000008345
Tussilago farfara Coltsfoot 12 365, 625
Ulex europaeus Gorse 4 253