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Total Plants: 192
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Plant Low PPM High PPM StdDev *Reference
Solanum tuberosum Tuber 150000.0 800000.0 1.4 *
Hordeum vulgare Seed -- 620000.0 1.3 *
Zingiber officinale Root 35000.0 600000.0 1.2 *
Avena sativa Seed 500000.0 600000.0 1.2 List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979.
Aesculus hippocastanum Seed 300000.0 600000.0 1.2 List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979.
Castanea sativa Seed 450000.0 580000.0 1.1 *
Ananas comosus Stem 100000.0 150000.0 1.0 Wealth of India.
Cucurbita foetidissima Root 259000.0 550000.0 1.0 *
Pinellia ternata Tuber -- 690000.0 0.9 *
Panax quinquefolius Plant 80000.0 320000.0 0.9 *
Nelumbo nucifera Rhizome 92500.0 570988.0 0.9 *
Physostigma venenosum Seed 480000.0 500000.0 0.8 *
Curcuma longa Rhizome 300000.0 550000.0 0.7 *
Pisum sativum Seed 329000.0 434000.0 0.5 *
Piper methysticum Root -- 430000.0 0.5 Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
Curcuma zedoaria Rhizome -- 500000.0 0.4 *
Iris x germanica Rhizome 200000.0 500000.0 0.4 *
Zingiber officinale Rhizome 123000.0 500000.0 0.4 *
Crotalaria juncea Seed -- 411000.0 0.4 *
Piper nigrum Fruit 280000.0 565000.0 0.4 ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes.
*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.