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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
CUMINALDEHYDE ID50=0.05 mM *
GLABRIDIN *
KAEMPFEROL ID50=230 uM *
P-COUMARIC-ACID ID50=3,650 uM *
P-HYDROXYBENZALDEHYDE ID50=1.2 mM *
P-HYDROXYBENZALDEHYDE ID50=1,200 uM *
P-HYDROXYBENZYL-ALCOHOL ID50=650 uM *
PROTOCATECHUIC-ACID ID60=0.5 uM/ml *
QUERCETIN ID50=70 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
Abelmoschus esculentus Okra 2 0
Abelmoschus moschatus Ambrette; Musk Okra; Tropical Jewel Hibiscus; Muskmallow 2 0
Abutilon theophrasti Velvet Leaf; Butterprint; Indian-Mallow; Abutilon-Hemp 2 0
Acacia catechu Black Cutch; Catechu 3 0
Acacia decurrens Green Wattle 1 0
Acacia farnesiana Cassie; Huisache; Sweet Acacia; Opopanax; Popinac 5 0
Acacia nilotica Babul 2 0
Acacia senegal Gum Arabic; Gum Arabic Tree; Kher; Senegal Gum; Sudan Gum Arabic 2 0
Acalypha indica Cancer Herb; Indian Acalypha; Copperleaf; Indian Nettle; Three-Seeded-Mercury 1 0
Achillea millefolium Yarrow; Milfoil 3 22
Acinos suaveolens 3 1, 246.6000003814697
Actinidia chinensis Kiwi 2 0
Aegle marmelos Bael de India; Bael fruit 2 600
Aesculus hippocastanum Horse Chestnut 3 44, 000
Agastache foeniculum Giant Hyssop 2 543
Agastache rugosa 1 90, 000
Agathosma betulina Buchu; Honey Buchu; Mountain Buchu 1 0
Ageratum conyzoides Mexican ageratum 2 0
Agrimonia eupatoria Agrimony; Sticklewort 4 48
Ailanthus altissima Stinktree; Tree Of Heaven 1 0