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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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Cyclooxygenase-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
GLABRIDIN *
HESPERIDIN *
HUMULONE *
HYPOLAETIN IC50 (uM) =70 *
ISOLIQUIRITIGENIN *
KAEMPFEROL IC50 (uM) =20 *
KAWAIN IC50=71-115 uM/l *
MELATONIN Medline (post 1990 searches filed in my computer)
MORIN IC50 (uM) =180 *
MYRCETIN IC50 (uM) =56 *
MYRICETIN-3-O-BETA-D-GLUCURONIDE *
N-2'-METHYL-BUTYL-DECA-TRANS-2-TRANS-4-DIENAMIDE *
N-ISOBUTYL-DODECA-TRANS-2-TRANS-4-DIENAMIDE *
N-ISOBUTYL-HEXADECA-TRANS-2-TRANS-4-DIENAMIDE *
N-ISOBUTYL-OCTA-TRANS-2-TRANS-4-DIENAMIDE *
N-ISOBUTYL-OCTADECA-TRANS-2-TRANS-4-DIENAMIDE *
N-ISOBUTYL-TETRADECA-TRANS-2-TRANS-4-DIENAMIDE *
N-PROPYLSULPHINOTHIOIC-ACID-S-N-PROPYLESTER *
NDGA IC50 (uM) =5 *
NORDIHYDROGUAIARETIC-ACID 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.
Click on column headings to sort table by that column.
Plant Name Common Name Chemical Count Total Parts Per Million
Psidium cattleianum Strawberry Guava 2 0
Psidium guajava Guava 5 400, 200
Pteridium aquilinum Bracken; Bracken Fern 2 0
Pterocarpus marsupium Indian Kino; Malabar Kino; bijasal 3 0
Pterocarpus santalinus Red Saunders 2 0
Pueraria montana Kudzu; Kudsu 4 0
Punica granatum Pomegranate; Grenadier (Fr.); Granatapfelbaum (Ger.); Granatapfelstrauch (Ger.); Zakuro (Jap.); Romanzeiro (Port.); Granado (Sp.); Mangrano (Sp.) 12 10, 046, 400
Pycnanthemum nudum Nude Mountain Mint 2 24, 258
Pycnanthemum virginianum Virginia Mountain Mint 2 377
Pyrus communis Pear 3 28
Quassia amara Bitterwood; Quassia 1 0
Quercus alba White Oak 4 200, 000
Quercus infectoria Aleppo Oak; Dyer's Oak; Gall Oak 3 120, 000
Quercus robur English Oak 4 200, 000
Quercus rubra Northern Red Oak 3 160, 000
Quercus suber Cork Oak 1 65, 000
Quercus velutina Black Oak 1 0
Quillaja saponaria Soapbark 1 150, 000
Quisqualis indica Rangoon Creeper 1 0
Rheum officinale Chinese Rhubarb 2 3, 654.3000984191895