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 Lactuca sativa (Asteraceae)

Common Names
Lettuce
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
PROTEIN 0 Leaf 13000.0 216667.0 0.05 Duke, 1992 *
PUFA 4 Leaf 1590.0 26500.0 0.95 Duke, 1992 *
QUERCETIN 176 Plant not available not available not available Duke, 1992 *
SELENIUM 60 Leaf 0.0 0.1 -0.38 Duke, 1992 *
SERINE 1 Leaf 390.0 6500.0 -0.96 Duke, 1992 *
SFA 0 Leaf 390.0 6500.0 -0.36 Duke, 1992 *
SILICON 4 Leaf 10.0 800.0 1.97 Duke, 1992 *
SILVER 3 Leaf 0.0 0.6 1.33 Duke, 1992 *
SITOSTEROL 0 Seed not available not available not available Duke, 1992 *
SODIUM 1 Leaf 28.0 18560.0 2.65 Duke, 1992 *
STEARIC-ACID 8 Leaf 40.0 667.0 -0.19 Duke, 1992 *
STIGMAST-7-EN-3-BETA-OL 0 Seed not available not available not available Duke, 1992 *
STIGMASTEROL 12 Seed not available not available not available Duke, 1992 *
STRONTIUM 0 Shoot 2.0 580.0 0.21 Duke, 1992 *
SUGAR 0 Leaf not available 65000.0 1.00 Duke, 1992 *
SULFUR 14 Shoot 29.0 3800.0 1.71 Duke, 1992 *
TARAXASTEROL 2 Plant not available not available not available Duke, 1992 *
THIAMIN 31 Leaf 0.5 8.3 0.00 Duke, 1992 *
THREONINE 4 Leaf 590.0 9833.0 0.01 Duke, 1992 *
TITANIUM 0 Leaf 0.1 870.0 3.03 Duke, 1992 *
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
Hypotensive 12 Cunane, S. and Thompson, L. U., eds. 1995. Flaxseed in Human Nutrition. AOCS Press, Champaign IL. 384 pp.
Hypotriglyceridemic 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
Hypouricemic 1 Duke, 1992 *
ICAM-1-Inhibitor 2 Duke, 1992 *
IKK-Inhibitor 1 Duke, 1992 *
Ileorelaxant 1 Duke, 1992 *
Immunomodulator 8 Economic & Medicinal Plant Research, 6: 189.
Immunostimulant 8 Cunane, S. and Thompson, L. U., eds. 1995. Flaxseed in Human Nutrition. AOCS Press, Champaign IL. 384 pp.
Immunosuppressant 1 Martindale's 29th
iNOS-Inhibitor 3 Duke, 1992 *
Inotropic 2 Duke, 1992 *
Insectifuge 6 Tunon, H., Thorsell, W., and Bohlin, L. 1993. Mosquito Repelling Activity of Compounds Occurring in Achillea millefolium L. (Asteraceae). Economic Botany 48(2): 111-120, 1994.
Insulin-Sparing 1 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Insulinase-Inhibitor 1 Economic & Medicinal Plant Research, 6: 157.
Insulinogenic 4 Duke, 1992 *
Insulinotonic 1 J. Agri. & Food Chemistry, 36: 1079.
Interferon-Synergist 1 Duke, 1992 *
Interferonogenic 1 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Iodothyronine-Deiodinase-Inhibitor 2 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Irritant 4 Merck 11th Edition