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

Lactuca sativa (Asteraceae)

Common Names
Lettuce
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
MERCURY 1 Leaf 0.0 0.0 -0.10 *
METHIONINE 15 Leaf 160.0 2667.0 -0.35 *
MOLYBDENUM 2 Leaf 0.1 2.0 -0.13 *
MUFA 13 Leaf 120.0 2000.0 -0.53 *
N-HEXACOSYLALCOHOL 0 Leaf *
NIACIN 39 Leaf 4.0 67.0 -0.37 *
NICKEL 3 Leaf 0.2 28.0 0.19 *
NITROGEN 0 Leaf 2200.0 54000.0 0.51 *
OLEIC-ACID 18 Leaf 90.0 1500.0 -0.46 *
OXALIC-ACID 9 Leaf 110.0 136.0 -0.47 *
P-COUMARIC-ACID 25 Plant *
PALMITIC-ACID 13 Leaf 350.0 5833.0 -0.28 *
PALMITOLEIC-ACID 2 Leaf 30.0 500.0 0.12 *
PANTOTHENIC-ACID 11 Leaf 2.0 33.0 -0.04 *
PECTINS 0 Leaf 40000.0 -1.00 *
PHENYLALANINE 7 Leaf 550.0 9167.0 -0.29 *
PHOSPHORUS 4 Leaf 108.0 13920.0 1.65 *
PHYTOSTEROLS 2 Leaf 380.0 6333.0 1.34 *
POTASSIUM 14 Leaf 2900.0 121800.0 4.04 *
PROLINE 0 Leaf 480.0 8000.0 -0.47 *
View the list of ubiquitous chemicals
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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
Chemopreventive 4 *
Cholagogue 2 Wichtl, M. 1984. Teedrogen. Ein Handbuch fur Apotheker und Arzte. Wissenschaftliche Verlagsgesellscharft. mbH Stuttgart. 393 pp.
Choleretic 7 Williamson, E. M. and Evans, F. J., Potter's New Cyclopaedia of Botanical Drugs and Preparations, Revised Ed., Saffron Walden, the C. W. Daniel Co., Ltd., Essex UK, 362 pp, 1988, reprint 1989.
Cholinergic 2 Newall, C. A., Anderson, L. A. and Phillipson, J. D. 1996. Herbal Medicine - A Guide for Health-care Professionals. The Pharmaceutical Press, London. 296pp.
Circulotonic 2 *
Clastogenic 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
CNS-Active 1 Wichtl, M. 1984. Teedrogen. Ein Handbuch fur Apotheker und Arzte. Wissenschaftliche Verlagsgesellscharft. mbH Stuttgart. 393 pp.
CNS-Depressant 4 Huang, K. C. 1993. The Pharmacology of Chinese Herbs. CRC Press, Boca Raton, FL 388 pp.
CNS-Paralytic 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
CNS-Stimulant 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Co-carcinogenic 1 *
Cold-preventive 1 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Collagen-Sparing 1 *
Collagenic 2 *
Colorant 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Comedogenic 1 Martindale's 29th
Comedolytic 1 *
COMT-Inhibitor 1 *
Contraceptive 1 Martindale's 28th
Copper-Antagonist 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