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

Citrullus lanatus (Cucurbitaceae)

Common Names
Watermelon
How this plant is used
Food
View the list of ubiquitous chemicals
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List of plant chemicals.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Chemical Name Activity Count Plant Part Low Parts Per Million High Parts Per Million Standard Deviation Reference
THIAMIN 31 Fruit 4.0 9.0 0.47 *
THREONINE 4 Fruit 3180.0 0.07 Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
THREONINE 4 Seed 15300.0 1.60 Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
TRYPTAMINE 4 Fruit *
TRYPTOPHAN 29 Fruit 825.0 -0.04 Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
TYROSINE 8 Fruit 1413.0 -0.42 Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
TYROSINE 8 Seed 10200.0 0.57 Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
UNDEC-TRANS-2-ENAL 0 Fruit *
UREASE 0 Seed 10000.0 *
VALINE 3 Fruit 1885.0 -0.53 Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
VALINE 3 Seed 10200.0 -0.22 Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
WATER 0 Fruit 915100.0 957000.0 0.81 *
WATER 0 Seed 71000.0 81000.0 -0.56 *
ZINC 77 Fruit 8.0 -0.67 Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp.
View the list of ubiquitous chemicals
Download these results as:
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List of plant activities.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Activity Chemical Count Reference
Hypotensive 11 *
Hypouricemic 1 *
Immunomodulator 6 Economic & Medicinal Plant Research, 6: 189.
Immunostimulant 9 *
Immunosuppressant 1 Martindale's 29th
Insecticide 2 Keeler, R.F. and Tu, A.T. eds. 1991. Toxicology of Plant and Fungal Compounds. (Handbook of Natural Toxins Vol. 6) Marcel Dekker, Inc. NY. 665 pp.
Insectifuge 8 J. Stored. Prod. Res., 22:141, 1986.
Insectiphile 4 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Insulinase-Inhibitor 1 Economic & Medicinal Plant Research, 6: 157.
Insulinogenic 2 Challem, J., Berkson, Burt, and Smith, Melissa Dianne. 2000.
Syndrome X - The complete nutritional program to prevent and reservse insulin resistance. John Wiley & Sons, New York. 272 pp. $24.95
Insulinotonic 1 J. Agri. & Food Chemistry, 36: 1079.
Interferon-Synergist 1 *
Interferonogenic 1 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Irritant 4 *
Juvabional 1 Jacobson, M., Glossary of Plant-Derived Insect Deterrents, CRC Press, Inc., Boca Raton, FL, 213 p, 1990.
Keratolytic 1 Martindale's 28th
Larvistat 1 Lydon, J. & Duke, S., The potential of pesticides from plants, pp. 1-41 in Craker, L. & Simon, J., eds, Herbs, Spices & Medicinal Plants: Recent Advances in Botany, Horticulture, & Pharmacology, v. 4, Oryx Press, Phoenix, 1989, 267pp.
Laxative 3 *
Leptingenic 1 Challem, J., Berkson, Burt, and Smith, Melissa Dianne. 2000.
Syndrome X - The complete nutritional program to prevent and reservse insulin resistance. John Wiley & Sons, New York. 272 pp. $24.95
Leukotriene-Inhibitor 1 *