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Total Plants: 192
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Plant Low PPM High PPM StdDev *Reference
Piper betel Leaf 10000.0 31000.0 -0.1 *
Pistacia lentiscus Seed -- -- CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
Pisum sativum Seed 329000.0 434000.0 0.5 *
Polygonum multiflorum Root -- -- Chemical Constituents of Oriental Herbs (3 diff. books)
Polypodium vulgare Rhizome -- 63000.0 -2.4 *
Prosopis juliflora Fruit -- 163600.0 -0.2 *
Prunus persica Seed -- 36000.0 -1.1 *
Psidium guajava Seed 130000.0 132000.0 -0.7 *
Psoralea esculenta Root -- 698400.0 1.6 Izadoost, M. & Robinson, T., Synergism & antagonism in the pharmacology of alkaloidal plants, pp 137-58 in Craker, L. & Simon, J., eds., Herbs, Spices & Medicinal Plants: Recent Advances in Botany, Horticulture & Pharmacology, v. 2, 1987, 255pp.
Pteridium aquilinum Rhizome -- 450000.0 0.1 *
Pueraria montana Root 130000.0 400000.0 0.4 *
Pueraria pseudohirsuta Root 100000.0 150000.0 -0.7 *
Punica granatum Seed -- -- -1.3 List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979.
Quillaja saponaria Bark -- -- *
Rauvolfia serpentina Seed 126000.0 203000.0 -0.4 *
Rheum officinale Root 150000.0 160000.0 -0.7 *
Ribes uva-crispa Fruit -- 15000.0 -0.4 *
Rosa canina Fruit 33660.0 180000.0 -0.2 *
Rumex hymenosepalus Plant 250000.0 400000.0 1.5 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
Ruscus aculeatus Root 36240.0 120000.0 -0.8 *
*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.