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Total Plants: 52
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Plant Low PPM High PPM StdDev *Reference
Panax ginseng Root -- -- *
Pimpinella anisum Plant -- -- *
Psidium guajava Fruit -- -- Chemical Constituents of Oriental Herbs (3 diff. books)
Copaifera spp Gum -- -- *
Origanum majorana Essential Oil -- -- *
Panax quinquefolius Plant -- -- *
Piper nigrum Fruit -- -- *
Agastache rugosa Tissue Culture -- -- Jim Duke's personal files.
Zingiber officinale Root Essent. Oil -- -- *
Centella asiatica Plant -- -- Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp.
Pimpinella anisum Seed -- -- Newall, C. A., Anderson, L. A. and Phillipson, J. D. 1996. Herbal Medicine - A Guide for Health-care Professionals. The Pharmaceutical Press, London. 296pp.
Origanum vulgare Plant -- -- Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980.
Piper nigrum Fruit Essent. Oil -- -- *
Achillea millefolium Leaf -- -- *
Artemisia annua Plant -- -- *
Panax ginseng Plant -- -- Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
Santalum album Wood -- -- *
Angelica archangelica Root Essent. Oil -- -- *
Origanum majorana Plant -- -- Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980.
Echinacea spp Fruit -- -- Economic & Medicinal Plant Research, 5: 253.
*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.