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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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5-Lipoxygenase-Inhibitor

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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
ESCULETIN IC50=0.1-5 uM *
FISETIN IC50 (uM)=11 *
GAMMA-BOSWELLIC-ACID *
KAEMPFEROL IC50 (uM)=20 *
MYRCETIN IC50 (uM)=13 *
N-PROPYLSULPHINOTHIOIC-ACID-S-N-PROPYLESTER *
NDGA IC50 (uM)=0.8 *
NORDIHYDROGUAIARETIC-ACID *
OSTHOL *
PARTHENOLIDE *
PROPYL-GALLATE IC50 (uM)=5 *
QUERCETIN IC50 (uM)=4 *
RESVERATROL IC50=1-9 uM *
RESVERATROL IC50=48 uM *
SANGUINARINE Mills, Simon and Bone, Kerry. 2000. Phytotherapy. Churchill
Livinston, Edinburgh.
SHOGAOL *
TRANS-5-ETHYL-4,6,7-TRITHIA-2-DECENE-4-S-OXIDE *
TRANS-METHYLSULPHINOTHIOIC-ACID-S-1-PROPENYLESTER *
TRANS-N-PROPYLSULPHINOTHIOIC-ACID-S-1-PROPENYLESTER *
TRANS-TRANS-5-ETHYL-4,6,7-TRITHIA-2,8-DECADIENE-4-S-OXIDE *
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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
Glaucium flavum Horned Poppy 2 0
Gleditsia triacanthos Honey Locust 1 0
Glycine max Soybean 3 0
Glycyrrhiza glabra Commom Licorice; Licorice; Smooth Licorice; Licorice-Root 2 0
Glycyrrhiza uralensis Chinese Licorice; Gan-Cao; Kan-Tsao 1 21
Gossypium sp Cotton 2 0
Guazuma tomentosa 2 0
Haematoxylum campechianum Campechy; Logwood 1 0
Hamamelis virginiana Witch Hazel 2 0
Harpagophytum procumbens Devil's Claw; Grapple Plant 2 0
Helianthemum glomeratum 1 0
Helianthus annuus Sunflower; Girasol 1 1, 220
Hibiscus rosa-sinensis Chinese hibiscus; Shoe-flower 1 0
Hippophae rhamnoides Sallow Thorn; Sea Buckthorn; Yellow Spine 2 0
Holarrhena pubescens Tellicherry Bark; Zhi Xie Mu; Conessi; Kurchi 2 0
Hordeum vulgare Barley; Barleygrass 2 0
Houttuynia cordata Fishwort; Dokudami; Yu Xing Cao 1 0
Humulus lupulus Hops 3 0
Hura crepitans Sandbox Tree 1 0
Hydrangea arborescens Smooth Hydrangea; Hydrangea 2 0