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.

Biological Activity Antioxidant

Select a Results View:

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
PROTOCATECHUIC-ACID 1/2 BHT Duke, 1992 *
PROTOCATECHUIC-ACID 10 x alpha-tocopherol Duke, 1992 *
PROTOCATECHUIC-ACID 2/3 quercetin 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 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 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 4.7 x Vit. E Duke, 1992 *
QUERCETIN-3,4'-DIGLUCOSIDE not available Duke, 1992 *
List of Activity Plants.
Click on column headings to sort table by that column.
Plant Name Common Name Chemical Count Total Parts Per Million
Calathea allouia Leren; Lleren 3 13, 300
Calathea macrosepala Chufle 3 923
Calea zacatechichi Bitter Grass; Dog's Grass; Mexican Calea 1 0
Calendula officinalis Calendula; Pot-Marigold 28 465, 400.68000000715
Calicotome spinosa not available 1 0
Calicotome villosa not available 1 0
Callicarpa americana American Beauty Berry; Beauty Berry; French Mulberry 3 6.300000071525574
Callitriche stagnalis not available 1 500
Calopogonium caeruleum not available 1 0
Calotropis sp. Giant Milkweed 3 54, 900
Camellia japonica Camellia; Common Camellia; Rose du Japon (Fr.); Camelia (Fr., Port.); Kamelie (Ger.); Tsubaki (Jap.); Camelia (Sp.); Japanese Tea 4 0
Camellia sinensis Tea 63 1, 528, 344.7001953125
Camptosema sp not available 1 12
Camptotheca acuminata Happy Tree 2 0
Cananga odorata Cananga; Ylang-Ylang 4 0
Canarium indicum Java-Olive; Manila Elemi 6 632, 824
Canavalia ensiformis Jack Bean 6 1, 536.7999999076128
Canavalia eurycarpa not available 1 5
Canavalia galeata not available 1 0
Canavalia gladiata not available 1 0