An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Plant Citrullus lanatus (Cucurbitaceae)

Common Names
Watermelon
How this plant is used
Food
View the list of ubiquitous chemicals
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 Duke, 1992 *
THREONINE 4 Fruit not available 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 not available 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 not available not available not available Duke, 1992 *
TRYPTOPHAN 29 Fruit not available 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 not available 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 not available 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 not available not available not available Duke, 1992 *
UREASE 0 Seed not available 10000.0 not available Duke, 1992 *
VALINE 3 Fruit not available 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 not available 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 Duke, 1992 *
WATER 0 Seed 71000.0 81000.0 -0.56 Duke, 1992 *
ZINC 77 Fruit not available 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
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
Lipotropic 1 Merck 11th Edition
Lipoxygenase-Inhibitor 2 Oszmianski, J. and Lee, C.Y. 1990. Inhibitory Effect of Phenolics on Carotene Bleaching in Vegetables. J. Agric. Food Chem. 38: 688-690.
Lithogenic 1 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Litholytic 1 Duke, 1992 *
Lubricant 3 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Lyase-Inhibitor 1 Duke, 1992 *
Metal-Chelator 1 McEvily, A.J., Iyengar, R., and Gross, A.T. Inhibition of Polyphenol Oxidase by Phenolic Compounds. Phenolic Compounds in Food and Their Effects on Health, Ch.25.
Metastatic 1 Science News, 146: 421.
Monoamine-Precursor 3 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Motor-Depressant 1 Buchbauer et al, e.g.Buchbauer et al,1993.Therapeutic properties of essential oils and fragrances. Chap.12 in Teranishi,R, Buttery,R.G and Sugisawa,H. Eds. Bioactive Volatile Compounds from Plants. ACS Symposium Series 525. Amer. Chem. Soc., Washington DC
Mucogenic 2 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Mucolytic 1 Martindale's 28th
Mucotropic 1 Schulz, V, Hansel, R and Tyler, VE. 1998. Rational Phytotherapy - A Physician's Guide to Herbal Medicine. 3rd ed. 1st English Edition. Translated by Terry C. Telger. Springer Verlag, Heidelberg. 306 pp.
Mutagenic 1 Economic & Medicinal Plant Research, 6: 189.
Mycobactericide 1 Duke, 1992 *
Myoprotective 1 Duke, 1992 *
Myorelaxant 2 Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Narcotic 1 Merck 11th Edition
Nematicide 7 Shoyakugaku Zasshi, 44: 183.
Neuroexcitant 1 Martindale's 28th