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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=380-970 uM *
ANISALDEHYDE ID50=320 uM *
ANISE-ALCOHOL ID50=5,300 uM *
ANISIC-ACID ID50=680 uM *
ANISOLE ID50=7,100 uM *
ARBUTIN IC50=40 uM *
BENZALDEHYDE ID50=820 uM *
BENZALDEHYDE ID50=87 ug/ml *
BENZALDEHYDE ID50=830 uM *
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
Ribes nigrum Black Currant 7 0
Ribes uva-crispa Gooseberry 1 0
Ricinus communis Castorbean 3 0
Robinia pseudoacacia Black Locust 2 0
Rosa canina Rose; Dogbrier; Dog Rose 2 0
Rosa centifolia Cabbage Rose 1 0
Rosa damascena Damask Rose 4 0
Rosa gallica French Rose 1 0
Rosa spp Rose Hips 1 0
Rubus fruticosus Blackberry 1 0
Rubus idaeus Red Raspberry; Raspberry 6 0
Rubus parviflorus Salmonberry; Thimbleberry 2 0
Rubus spectabilis Salmonberry 2 0
Rumex acetosa Garden Sorrel 1 0
Rumex crispus Curly Dock; Lengua De Vaca; Yellow Dock; Sour Dock 1 0
Ruta graveolens Rue 2 0
Salix alba White Willow 2 0
Salvia officinalis Sage 2 0
Salvia sclarea Clary Sage 3 1, 840
Salvia sp. Chia 1 19