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Total Plants: 189
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Plant Low PPM High PPM StdDev *Reference
Vanilla planifolia Fruit -- -- ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes.
Veratrum album Rhizome -- 250000.0 1.0 *
Veronica officinalis Plant -- -- *
Viburnum prunifolium Root Bark -- -- Leung, A.Y., Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics, John Wiley & Sons, New York, 1980.
Viscum album Plant -- -- *
Xylopia aethiopica Fruit -- -- List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979.
Zanthoxylum americanum Plant -- -- *
Zea mays Silk Stigma Style -- -- Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
Zizyphus jujuba Leaf -- 60000.0 0.2 *
*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.