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Total Plants: 35
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Plant Low PPM High PPM StdDev *Reference
Solanum torvum Plant -- -- *
Ipomoea batatas Root -- -- *
Thymus vulgaris Leaf -- -- Duke, J. A. Writeups or information summaries on approximately 2,000 economic plants, USDA, ARS, Beltsville, MD 20705.
Viburnum prunifolium Bark -- -- List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979.
Malus domestica Plant -- -- Stitt, Paul. Why George should eat broccoli.
Centaurea cyanus Shoot -- -- Jim Duke's personal files.
Allium ampeloprasum Plant -- -- *
Mentha x piperita Shoot -- -- *
Sorbus aucubaria Fruit -- -- *
Prunus domestica Fruit -- -- Jim Duke's personal files.
Tanacetum vulgare Plant -- -- *
Cynara cardunculus Leaf -- -- Jim Duke's personal files.
Echinacea angustifolia Leaf -- -- Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
Lonicera japonica Flower 445.0 60000.0 Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
Helianthus annuus Plant -- -- *
*Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press.