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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
Helichrysum angustifolium Everlasting; Immortelle 1 0
Hibiscus rosa-sinensis Chinese hibiscus; Shoe-flower 1 0
Hibiscus sabdariffa Roselle; Indian Sorrel; Jamaica Sorrel; Kharkadi; Red Sorrel; Sorrel; Malventee (Ger.); Rosella (Ger.); Acedera de Guinea (Sp.); Rosa de Jamaica (Sp.); Sereni (Sp.) 1 16, 390
Hippophae rhamnoides Sallow Thorn; Sea Buckthorn; Yellow Spine 3 204, 000
Holarrhena pubescens Tellicherry Bark; Zhi Xie Mu; Conessi; Kurchi 4 45, 600
Hordeum vulgare Barley; Barleygrass 4 2
Houttuynia cordata Fishwort; Dokudami; Yu Xing Cao 3 0
Humulus lupulus Hops 7 5, 000
Hura crepitans Sandbox Tree 1 0
Hyacinthus orientalis Hyacinth 1 6.900000095367432
Hydnocarpus kurzii True Chaulmoogra 1 0
Hydnocarpus wightiana Hindi Chaulmoogra 1 0
Hydrangea arborescens Smooth Hydrangea; Hydrangea 2 0
Hydrastis canadensis Goldenseal 1 110, 000
Hypericum perforatum Common St. Johnswort; Hypericum; Klamath Weed; St. John's-wort; Goatweed 4 105, 000
Hyptis capitata Knobweed 1 0
Hyptis dilatata 1 2, 963
Hyptis suaveolens Wild Hops 1 8
Hyssopus officinalis Hyssop 7 204, 904
Ilex paraguariensis Mate; Paraguay Tea; South American Holly 2 480, 000