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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
  1. Home
  2. TRYPTOPHAN

TRYPTOPHAN

Chemical ID
TRYPTOPHAN
Ubiquitous
Yes
List of known dosages
Dosage
RDA=300-1,200 mg/day?
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List of chemical activities.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Activity Dosage Reference
Hypoglycemic Economic & Medicinal Plant Research, 6: 157.
Hypotensive 3 g/day Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Insulinase-Inhibitor Economic & Medicinal Plant Research, 6: 157.
Insulinotonic J. Agri. & Food Chemistry, 36: 1079.
Monoamine-Precursor Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Prolactinogenic Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Sedative 3-10 g/man/day *
Serotoninergic 6-12 g/day/orl/man Martindale's 28th
Tumor-Promoter J. Agri. & Food Chemistry, 36: 1079.
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List of chemical plants.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Plant Name Plant Part Low Parts Per Million High Parts Per Million Standard Deviation Reference
Malus domestica Fruit 20.0 124.0 -1.0 *
Mangifera indica Fruit 80.0 700.0 -0.2 *
Manihot esculenta Root 430.0 1365.0 1.7 *
Medicago sativa Plant Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
Melicoccus bijugatas Fruit 140.0 450.0 -0.6 Morton, J.F., Major Medicinal Plants. 1977. Atlas of Medicinal Plants of Middle America. Bahamas to Yucatan. 1981.
Mentha spicata Leaf 500.0 3460.0 0.5 *
Mentha x piperita Leaf 580.0 2715.0 -0.3 USDA's Ag Handbook 8 and sequelae)
Moringa oleifera Shoot 1440.0 6745.0 1.4 USDA's Ag Handbook 8 and sequelae)
Murraya sp Fruit 150.0 432.0 -0.6 *
Musa x paradisiaca Fruit 120.0 466.0 -0.5 USDA's Ag Handbook 8 and sequelae)
Nasturtium officinale Herb 300.0 6000.0 1.0 USDA's Ag Handbook 8 and sequelae)
Nelumbo nucifera Rhizome 200.0 955.0 1.0 *
Nelumbo nucifera Seed 590.0 1788.0 -0.5 *
Nigella sativa Seed *
Ocimum basilicum Leaf 2210.0 -0.8 USDA's Ag Handbook 8 and sequelae)
Oenothera biennis Seed 2400.0 16000.0 4.3 *
Opuntia ficus-indica Seed 1665.0 -0.6 Laferriere, J.E., 1988, Nutricomp Program, Nutricomp Database; reviewed in J. Ethnobiology 9(1):27-29.
Papaver somniferum Seed 2550.0 2735.0 -0.2 *
Perideridia gairdneri Root 762.0 -0.3 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.
Persea americana Fruit 170.0 816.0 0.0 *