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Total Plants: 152
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Plant Low PPM High PPM StdDev *Reference
Tamarindus indica Leaf 1000.0 1960.0 -0.4 *
Theobroma cacao Seed 1520.0 5000.0 0.3 *
Portulaca oleracea Plant 1679.0 16790.0 -0.4 *
Camellia sinensis Leaf 2192.0 10000.0 -0.2 *
Stellaria media Shoot 2950.0 4330.0 *
Rheum rhabarbarum Leaf 3000.0 11000.0 -0.2 *
Piper nigrum Fruit 4000.0 34000.0 1.6 ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes.
Rheum rhabarbarum Pt 4400.0 13360.0 *
Spinacia oleracea Leaf 5000.0 93900.0 2.3 *
Rumex crispus Leaf 5170.0 6970.0 -0.3 *
Averrhoa carambola Fruit 50000.0 95800.0 5.0 Morton, J.F., Major Medicinal Plants. 1977. Atlas of Medicinal Plants of Middle America. Bahamas to Yucatan. 1981.
Chenopodium album Plant 140000.0 300000.0 2.0 *
*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.