Plant Lactuca sativa (Asteraceae) | Dr. Duke's Phytochemical and Ethnobotanical Databases

Common Names

Lettuce

How this plant is used

Food

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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
ALANINE	3	Leaf	560.0	9333.0	-0.76	Duke, 1992 *
ALPHA-LACTUCEROL	0	Plant	not available	not available	not available	Duke, 1992 *
ALPHA-LINOLENIC-ACID	15	Leaf	1130.0	18833.0	2.15	Duke, 1992 *
ALPHA-TOCOPHEROL	32	Fruit	6.0	139.0	1.02	Duke, 1992 *
ALUMINUM	5	Leaf	3.0	126.0	-0.65	Duke, 1992 *
ARGININE	14	Leaf	710.0	11833.0	-0.51	Duke, 1992 *
ARSENIC	2	Leaf	0.0	0.6	2.33	Duke, 1992 *
ASCORBIC-ACID	112	Leaf	180.0	3000.0	-0.17	Duke, 1992 *
ASH	0	Leaf	7700.0	290000.0	3.02	Duke, 1992 *
ASPARTIC-ACID	3	Leaf	1420.0	23667.0	-0.21	Duke, 1992 *
BARIUM	0	Leaf	0.1	145.0	-0.65	Duke, 1992 *
BETA-CAROTENE	53	Leaf	11.0	190.0	-0.31	Duke, 1992 *
BETA-LACTUCEROL	0	Plant	not available	not available	not available	Duke, 1992 *
BORON	4	Leaf	0.9	87.0	0.70	Duke, 1992 *
BROMINE	0	Leaf	not available	not available	not available	Duke, 1992 *
CADMIUM	3	Leaf	0.0	4.0	0.69	Duke, 1992 *
CAFFEIC-ACID	102	Plant	not available	not available	not available	Duke, 1992 *
CALCIUM	28	Leaf	360.0	19140.0	0.05	Duke, 1992 *
CAMPESTEROL	2	Seed	not available	not available	not available	Duke, 1992 *
CAOUTCHOUC	0	Latex Exudate	400.0	1400.0	-1.17	Duke, 1992 *

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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
PGE2-Inhibitor	1	Duke, 1992 *
Phagocytotic	2	Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Phospholipase-Inhibitor	1	Duke, 1992 *
Photophobigenic	1	Duke, 1992 *
Pituitary-Stimulant	1	Duke, 1992 *
Plasmodicide	1	Neuwinger, H. D. 1996. African Ethnobotany - Poisons and Drugs. Chapman & Hall, New York. 941 pp.
Polyamine-Synthesis-Inhibitor	1	Duke, 1992 *
Preservative	1	Merck 11th Edition
Prolactinogenic	1	Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Proliferant	2	Duke, 1992 *
Prooxidant	3	Duke, 1992 *
Propecic	5	Duke, 1992 *
Prostaglandigenic	3	Duke, 1992 *
Prostaglandin-Sparer	1	Fujita, T., Nakatani, E., Funaishi, N., Sakuma, S., Fujimoto, Y. Potent inhibition of prostaglandin inactivation in rabbit gastric antral mucosal slices by selenium ions in-vitro. J. Pharm. Pharmacol. 42: 655-657, 1990.
Prostaglandin-Synthesis-Inhibitor	4	Duke, 1992 *
Prostaglandin-Synthetase-Inhibitor	1	Duke, 1992 *
Protein-Kinase-C-Inhibitor	3	Naim, M., Zehavi, U., Nagy, S., and Rouseff, R.L. Hydroxycinnamic Acids as Off-Flavor Precursors in Citrus Fruits and Their Products. Phenolic Compounds in Food and Their Effects on Health, Ch.14.
Protisticide	1	Meckes, M., Calzada, F., Tapia-Contreras, A., Cedillo-Rivera, R. 1999. Antiprotozoal Properties of Helianthemum glomeratum. Phytotherapy Research, 13(2): 102-105.
Psychoactive	1	Watt, J.M. and Breyer-Brandwijk, M.G. 1962. The Medicinal and Poisonous Plants of Southern and Eastern Africa. E. & S. Livingstone, Ltd. Edinburg & London. 1457 pp.
PTK-Inhibitor	2	Duke, 1992 *