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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=830 uM *
BENZALDEHYDE ID50=0.82 mM *
BENZALDEHYDE ID50=820 uM *
BENZALDEHYDE ID50=87 ug/ml *
BENZOIC-ACID ID50=710 uM *
BENZOIC-ACID ID50=640 uM *
CINNAMALDEHYDE ID50=129 ug/ml *
CINNAMALDEHYDE ID50=970 uM *
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
Viburnum prunifolium Black Haw 1 0
Vicia faba Broadbean; Faba Bean; Habas 2 0
Vigna radiata Green Gram; Mungbean 3 0
Vinca minor Periwinkle; Running-Myrtle 2 0
Viola odorata Common Violet; Sweet Violet 2 0
Viola tricolor Pansy; Wild Violet 2 0
Vitex agnus-castus Chaste-Tree 1 0
Vitis vinifera Grape; European Grape; Wine Grape; Grapevine; Vigne Vinifere (Fr.); Weinrebe (Ger.); Parra (Sp.); Vid (Sp.) 7 144
Withania somnifera Ashwagandha 1 0
Zanthoxylum alatum Indian Prickly Ash; Wartara Oil Tree 1 0
Zea mays Corn 5 4, 047
Zingiber officinale Ginger 6 314, 019