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Total Plants: 104
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Plant Low PPM High PPM StdDev *Reference
Piper nigrum Fruit Essent. Oil 21200.0 111600.0 1.0 *
Zingiber officinale Rhizome Essent. Oil 25000.0 105100.0 1.0 *
Panax quinquefolius Root Essent. Oil 6251.0 58670.0 1.7 *
Origanum vulgare Essential Oil -- 38100.0 1.0 *
Piper cubeba Fruit Essent. Oil -- 20000.0 -1.0 *
Myrrhis odorata Leaf Essent. Oil -- 17000.0 1.7 *
Plectranthus barbatus Root Essent. Oil -- 13000.0 -0.4 *
Coleus barbatus Root Essent. Oil -- 13000.0 -0.4 Jim Duke's personal files.
Valeriana officinalis Leaf Essent. Oil 6200.0 9000.0 -0.2 *
Citrus limon Leaf Essent. Oil -- 8000.0 -0.5 Jim Duke's personal files.
Alpinia galanga Rhizome 2.0 7775.0 1.0 *
Alpinia galanga Leaf Essent. Oil -- 5700.0 -1.0 *
Alpinia galanga Rhizome Essent. Oil -- 5700.0 -1.0 *
Ptychopetalum olacoides Root Essent. Oil -- 4000.0 -0.8 Uber Bucek, E., Fournier, G., Dadoun, H. 1987. Volatile Constituents of Ptychopetalum olacoides Root Oil. Planta Med. 53, 2: 231.
Zingiber officinale Rhizome 5.0 3600.0 -1.0 *
Daucus carota Seed 100.0 3500.0 1.4 *
Piper cubeba Fruit 1500.0 3000.0 1.6 Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980.
Ocimum tenuiflorum Leaf -- 2970.0 2.8 *
Ocimum basilicum Shoot Essent. Oil -- 2600.0 1.0 *
Psidium guajava Fruit -- 2000.0 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.