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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
TRYPTOPHAN 29 Leaf 90.0 1500.0 -1.54 *
TYROSINE 8 Leaf 320.0 5333.0 -0.74 *
VALINE 3 Leaf 700.0 11667.0 -0.29 *
VANADIUM 16 Leaf 0.3 20.3 2.25 *
VIT-B-6 0 Leaf 0.6 9.2 -0.59 *
VIT-E 0 Leaf *
VIT-G 0 Leaf *
VIT-K 0 Leaf *
WATER 0 Leaf 920000.0 971000.0 0.82 *
YTTERBIUM 0 Leaf 0.0 0.9 -0.52 *
YTTRIUM 0 Leaf 0.4 8.7 -0.98 *
ZINC 77 Leaf 2.7 974.0 5.45 *
ZIRCONIUM 0 Leaf 0.4 87.0 0.77 *
View the list of ubiquitous chemicals
Download these results as:
CSV
EXCEL
PDF
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
Topoisomerase-I-Inhibitor 3 Santti, R., Makela, S., Strauss, L., Korman, J., Kostian, M. L. 1998. Phytoestrogens: Potential Endocrine Disruptors in Males. Toxicol Ind Health, 14: 223-237.
Topoisomerase-II-Inhibitor 2 Constantinou, A., Mehta, R., Runyan, C., Rao, K., Vaughan, A., Moon, R. 1995. Flavonoids as DNA Topoisomerase Antagonists and Poisons: Structure-Activity Relationships. J Natural Products, 58: 217-225.
Toxic 2 *
Tranquilizer 2 *
Tremorigenic 1 Martindale's 28th
Trichomonicide 1 Martindale's 29th
Tumor-Promoter 1 J. Agri. & Food Chemistry, 36: 1079.
Tumorigenic 2 Jim Duke's personal files.
Tyrosinase-Inhibitor 3 *
Tyrosine-Kinase-Inhibitor 1 Economic & Medicinal Plant Research, 6: 170.
Ubiquiot 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Uricosuric 3 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Urinary-Acidulant 1 Martindale's 29th
Urine-Acidifier 1 Martindale's 28th
Urine-Deodorant 1 Martindale's 29th
Uterorelaxant 1 Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Uterosedative 1 Ozaki, Y. and Ma, J-P. 1989. Inhibitory Effects of Tetramethylpyrazine and Ferulic Acid on Spontaneous Movement of Rat Uterus in Situ. Chem. Pharm. Bull. 38(6): 1620-1623, 1990.
Uterotrophic 1 Journal of Medicinal Food 2: 227.1999.
Varroacide 1 *
Vasodilator 11 *