Dr. Duke's
Phytochemical and Ethnobotanical Databases

Concentration of Chemicals in Plants

with Radioprotective Activity

Viola tricolor (Pansy) Flower - 460,000 ppm total [1 chemical(s)]

Sophora japonica (Japanese Pagoda Tree) Bud - 458,000 ppm total [1 chemical(s)]

Origanum vulgare (Oregano) Plant - 143,200 ppm total [3 chemical(s)]

Fagopyrum esculentum (Buckwheat) Plant - 136,600 ppm total [1 chemical(s)]

Prunella vulgaris (Heal-All) Plant - 122,000 ppm total [2 chemical(s)]

Morus alba (Sang-Pai-Pi) Leaf - 120,000 ppm total [1 chemical(s)]

Fagopyrum esculentum (Buckwheat) Stem - 101,200 ppm total [1 chemical(s)]

Mentha spicata (Spearmint) Plant - 86,000 ppm total [1 chemical(s)]

Hydrangea paniculata (Peegee) Flower - 82,000 ppm total [1 chemical(s)]

Conium maculatum (Hemlock) Plant - 80,000 ppm total [1 chemical(s)]

Fagopyrum esculentum (Buckwheat) Flower - 80,000 ppm total [1 chemical(s)]

Sophora japonica (Japanese Pagoda Tree) Leaf - 80,000 ppm total [1 chemical(s)]

Rosmarinus officinalis (Rosemary) Tissue Culture - 77,914 ppm total [1 chemical(s)]

Curcuma longa (Turmeric) Rhizome - 77,776 ppm total [1 chemical(s)]

Lycopus europeus (European Bugle) Plant - 74,000 ppm total [1 chemical(s)]

Hyssopus officinalis (Hyssop) Plant - 70,000 ppm total [2 chemical(s)]

Sambucus canadensis (Elderberry) Leaf - 70,000 ppm total [1 chemical(s)]

Salvia sclarea (Clary Sage) Plant - 68,000 ppm total [1 chemical(s)]

Origanum majorana (Marjoram) Plant - 66,000 ppm total [1 chemical(s)]

Mentha x rotundifolia (Applemint) Plant - 64,000 ppm total [1 chemical(s)]