Dr. Duke's
Phytochemical and Ethnobotanical Databases

Concentration of Chemicals in Plants

with Metal-Chelator Activity

Coffea arabica (Coffee) Seed - 200,000 ppm total [1 chemical(s)]

Ipomoea purga (Jalap) Tuber - 80,000 ppm total [1 chemical(s)]

Curcuma longa (Turmeric) Rhizome - 77,786 ppm total [2 chemical(s)]

Helianthus annuus (Girasol) Seed - 59,600 ppm total [2 chemical(s)]

Pyrus communis (Pear) Fruit - 39,400 ppm total [1 chemical(s)]

Ocimum basilicum (Basil) Leaf - 38,000 ppm total [1 chemical(s)]

Thymus vulgaris (Thyme) Leaf - 33,800 ppm total [1 chemical(s)]

Rosa damascena (Damask Rose) Pollen Or Spore - 30,000 ppm total [1 chemical(s)]

Curcuma xanthorrhiza (Temu Lawak) Rhizome - 20,000 ppm total [1 chemical(s)]

Verbena officinalis (Vervain) Leaf - 20,000 ppm total [1 chemical(s)]

Teucrium scorodonia (Germander) Leaf - 20,000 ppm total [1 chemical(s)]

Rosmarinus officinalis (Rosemary) Leaf - 19,606 ppm total [1 chemical(s)]

Artemisia dracunculus (Tarragon) Shoot - 15,280 ppm total [2 chemical(s)]

Thymus serpyllum (Creeping Thyme) Plant - 12,400 ppm total [1 chemical(s)]

Origanum vulgare (Oregano) Plant - 12,000 ppm total [2 chemical(s)]

Stachys officinalis (Betony) Plant - 10,000 ppm total [2 chemical(s)]

Vaccinium corymbosum (Blueberry) Fruit - 6,000 ppm total [1 chemical(s)]

Arctium lappa (Gobo) Root - 5,000 ppm total [2 chemical(s)]

Malus domestica (Apple) Fruit - 2,730 ppm total [3 chemical(s)]

Salvia sp. (Chia) Seed - 2,442 ppm total [2 chemical(s)]