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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
Centaurea calcitrapa Star-Thistle 1 0
Centaurea cyanus Cornflower; Bachelor's Button 2 0
Centella asiatica Gotu Kola; Pennywort 2 0
Ceratonia siliqua Carob; St.John's-Bread; Locust Bean 2 0
Chelidonium majus Celandine 2 0
Chimaphila umbellata King's Cure; Pipsissewa 1 0
Chrysanthemum parthenium Feverfew 1 0
Cichorium endivia Endive; Escarole 1 0
Cichorium intybus Chicory; Witloof; Succory 4 63
Cinchona pubescens Quinine; Red Cinchona; Red Peruvian-Bark; Redbark 1 0
Cinchona spp Quinine 1 0
Cinnamomum aromaticum Cassia; Cassia Bark; Cassia Lignea; Chinese Cassia; Chinese Cinnamon; China Junk Cassia; Saigon Cinnamon; Zimtcassie (Ger.); Canela de la China (Sp.); Canelero chino (Sp.); Chinazimt (Ger.); Chinesischer Zimtbaum (Ger.); Kashia-Keihi (Jap.); Canelle de Cochinchine (Fr.); Cannelier Casse (Fr.); Cannelier de Chine (Fr.) 1 0
Cinnamomum camphora Camphor; Ho Leaf 2 0
Cinnamomum sieboldii Japanese Cinnamon 1 0
Cinnamomum verum Cinnamon; Ceylon Cinnamon 1 22
Citrus limon Lemon 2 0
Citrus paradisi Grapefruit 5 0
Citrus reticulata Mandarin; Tangerine 1 0
Citrus sinensis Orange 2 3.4000000953674316
Citrus spp Citrus 1 0