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Total Plants: 183
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Plant Low PPM High PPM StdDev *Reference
Origanum vulgare Plant -- 1.0 -0.8 Sezik, E., Tumen, G., Kirimer, N., Ozek, T., and Baser, K.H.C. 1993. Essential Oil Composition of Four Origanum vulgare Subspecies of Anatolian Origin. J. Ess. Oil Res., 5: 425-431.
Pastinaca sativa Root -- -- *
Pelargonium citrosum Shoot -- 4.0 -0.6 Matsuda, B. M., et al. 1996. Essential Oil Analysis and Field Evaluation of the Citrosa Plant 'Pelargonium citrosum' as a Repellent Against Populations of Aedes Mosquitoes. J. Am. Mosq. Contr. Assoc. 12(1):69-74.
Pelargonium graveolens Essential Oil -- -- *
Petroselinum crispum Leaf 60.0 530.0 0.8 *
Petroselinum crispum Seed Essent. Oil -- 71000.0 1.9 *
Petroselinum crispum Seed 43.0 4970.0 1.6 *
Petroselinum crispum Fruit Essent. Oil -- 35100.0 -0.6 *
Pimenta dioica Plant -- -- *
Pimenta dioica Fruit -- -- *
Pimenta racemosa Leaf 230.0 780.0 1.4 *
Pinus sylvestris Flower -- -- *
Pinus palustris Resin, Exudate, Sap -- -- Leung, A.Y., Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics, John Wiley & Sons, New York, 1980.
Pinus sylvestris Essential Oil -- -- *
Pinus mugo Leaf -- -- Guenther, E., The Essential Oils, 6 volumes, D. van Nostrand, New York, 1948-1952.
Pinus sylvestris Twig -- -- *
Pinus sylvestris Leaf Essent. Oil -- 13000.0 0.2 *
Pinus sylvestris Resin, Exudate, Sap -- -- *
Piper auritum Leaf -- -- Tramil
Piper nigrum Seed Essent. Oil -- -- *
*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.