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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
3-HYDROXY-FLAVONE IC50 (uM)=16 *
BAICALEIN IC50=0.1-5 uM *
CAPSAICIN *
CARNOSOL IC50 (uM)=2 *
CURCUMIN *
FISETIN IC50 (uM)=11 *
KAEMPFEROL IC50 (uM)=20 *
MYRCETIN IC50 (uM)=13 *
NDGA IC50 (uM)=0.8 *
NORDIHYDROGUAIARETIC-ACID *
PROPYL-GALLATE IC50 (uM)=5 *
QUERCETIN IC50 (uM)=4 *
SHOGAOL *
TROLOX IC50 (uM)=170 *
ZINGERONE *
AESCULETIN IC50=0.1-5 uM *
ACETYL-BETA-BOSWELLIC-ACID 7 uM Sabinsa: A series of well documented proprietary PR booklets,
e.g.Sabinsa Corps. 1998. Bronchial Asthma - Its etiology and control with traditional herbal extracts. Sabinsa Corporation. Piscataway, NJ. 49 pp.
ACETYL-11-KETO-BETA-BOSWELLIC-ACID 2 uM Sabinsa: A series of well documented proprietary PR booklets,
e.g.Sabinsa Corps. 1998. Bronchial Asthma - Its etiology and control with traditional herbal extracts. Sabinsa Corporation. Piscataway, NJ. 49 pp.
ALPHA-BOSWELLIC-ACID *
BETA-BOSWELLIC-ACID 5 uM Sabinsa: A series of well documented proprietary PR booklets,
e.g.Sabinsa Corps. 1998. Bronchial Asthma - Its etiology and control with traditional herbal extracts. Sabinsa Corporation. Piscataway, NJ. 49 pp.
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List of Activity Plants.
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Plant Name Common Name Chemical Count Total Parts Per Million
Agathosma betulina Buchu; Honey Buchu; Mountain Buchu 1 0
Terminalia chebula Ink Nut; Myrobalan; Black Myrobalan; Chebulic Myrobalan 1 0
Pyrus communis Pear 1 28
Salvia chinopeplica 1 83
Eucalyptus globulus Blue Gum; Eucalypt; Tasmanian Bluegum 1 0.9000000357627869
Ludwigia perennis Perennial ludwigia 1 0
Tanacetum parthenium Feverfew 1 671, 324
Hibiscus rosa-sinensis Chinese hibiscus; Shoe-flower 1 0
Uncaria catechu Gambir; Pale Catechu 1 0
Lepechinia hastata 1 4, 190
Datura stramonium Jimsonweed 1 0
Ammi majus Bishop's Weed 1 0
Polygonum aviculare Prostrate Knotweed 1 0
Bocconia arborea Tree Poppy 1 0
Mitragyna speciosa Kratum 1 150
Curcuma xanthorrhiza Javan Turmeric; Temu Lawak 1 20, 000
Inula helenium Elecampane 1 0
Pisum sativum Pea 1 500
Avena sativa Oats 1 310
Marrubium vulgare Horehound; White Horehound 1 0