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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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Protein-Kinase-C-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
(+)-ALPHA-VINIFERIN *
(-)-EPIGALLOCATECHIN-GALLATE McKenna, D. J., Hughes, K., and Jones, K. 2000. Green Tea Monograph. Alternative Therapies, 6(3): 61-82.
APIGENIN IC50=10-40 uM *
BROUSSOCHALCONE-A *
CURCUMIN IC69=15 uM *
CURCUMIN IC50=15 uM *
EMODIN IC50=25 uM *
LUTEOLIN IC70=50 uM *
QUERCETIN Naim, M., Zehavi, U., Nagy, S., and Rouseff, R.L. Hydroxycinnamic Acids as Off-Flavor Precursors in Citrus Fruits and Their Products. Phenolic Compounds in Food and Their Effects on Health, Ch.14.
SELENIUM IC50=2-50 uM *
TOCOPHEROL 10-50 uM *
TOCOPHEROL IC50=450 uM *
VITAMIN-E 10-50 uM *
VITAMIN-E IC50=450 uM *
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List of Activity Plants.
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Plant Name Common Name Chemical Count Total Parts Per Million
Prunus spinosa Blackthorn; Sloe 1 0
Psidium cattleianum Strawberry Guava 1 0
Psidium guajava Guava 1 200
Pteridium aquilinum Bracken; Bracken Fern 1 0
Pueraria montana Kudzu; Kudsu 2 0
Punica granatum Pomegranate; Grenadier (Fr.); Granatapfelbaum (Ger.); Granatapfelstrauch (Ger.); Zakuro (Jap.); Romanzeiro (Port.); Granado (Sp.); Mangrano (Sp.) 3 0
Pyrus communis Pear 2 28.001000000047497
Quercus alba White Oak 2 1.5399999991059303
Quercus infectoria Aleppo Oak; Dyer's Oak; Gall Oak 1 0
Quercus phellos Willow Oak 1 0.30000001192092896
Quercus robur English Oak 1 0
Quercus rubra Northern Red Oak 1 0.019999999552965164
Quercus stellata Post Oak 1 0.03999999910593033
Quercus velutina Black Oak 1 0
Raphanus sativus Radish 1 0
Rheum officinale Chinese Rhubarb 1 9, 000
Rheum palmatum Chinese Rhubarb 1 690
Rheum rhabarbarum Rhubarb 2 0
Rhododendron dauricum Chinese Alpenrose 1 0
Rhodymenia palmata Dulse 1 0