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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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Tyrosinase-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
ACETALDEHYDE ID50=43 ug/ml *
ANACARDIC-ACID *
ANISALDEHYDE ID50=0.32 mM *
ANISALDEHYDE ID50=320 uM *
ANISALDEHYDE ID50=380-970 uM *
ANISE-ALCOHOL ID50=5,300 uM *
ANISIC-ACID ID50=680 uM *
ANISOLE ID50=7,100 uM *
ARBUTIN IC50=40 uM *
BENZALDEHYDE ID50=830 uM *
BENZALDEHYDE ID50=820 uM *
BENZALDEHYDE ID50=87 ug/ml *
BENZALDEHYDE ID50=0.82 mM *
BENZOIC-ACID ID50=710 uM *
BENZOIC-ACID ID50=640 uM *
CINNAMALDEHYDE ID50=970 uM *
CINNAMALDEHYDE ID50=129 ug/ml *
CINNAMIC-ACID ID50=700 uM *
CITRAL ID50=1.5 mM *
CITRAL ID50=1,500 uM *
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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
Eucalyptus punctata 2 430
Eucalyptus saligna 2 1, 136
Eucalyptus siderophloia 2 0.5000000074505806
Eucalyptus sideroxylon 2 0.5000000074505806
Eucalyptus sp Gum 1 0
Eucalyptus tereticornis 2 40.400000005960464
Eucommia ulmoides Tu Chung; Du Zhong; Gutta-Percha Tree 2 0
Eupatorium odoratum Jack na bush 1 0
Eupatorium perfoliatum Boneset 2 0
Euphorbia hirta Queensland Asthma Herb 3 0
Euphorbia lathyris Caper Spurge; Mole Plant 3 0
Euphrasia officinalis Eyebright 2 0
Fagopyrum esculentum Buckwheat 3 159
Fallopia japonica Japanese Knotweed; Giant Knotweed; Mexican Bamboo; Hu-Zhang 1 4
Ferula jaeschkeana Jaechke's Ferula 1 494
Ficus carica Fig; Figuier Commun (Fr.); Echte Feige (Ger.); Feigenbaum (Ger.); Fico (Ital.); Figueira (Port.); Higo (Sp.); Higuera Comun (Sp.) 6 32
Filipendula ulmaria Meadowsweet; Queen Of The Meadow 2 0
Foeniculum vulgare Fennel 9 31, 266
Forsythia suspensa Lian-Jiao; Lien-Chiao 1 0
Fragaria spp Strawberry 6 125