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 Camellia sinensis (Theaceae)

Common Names
Tea
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
UREA 0 Plant not available not available not available Duke, 1992 *
VALERIC-ACID 9 Leaf not available not available not available Duke, 1992 *
VALINE 3 Leaf not available not available not available Duke, 1992 *
VICENIN-3 0 Leaf not available not available not available Bisset, N.G., ed. 1994. Herbal Drugs and Phytopharmaceuticals. CRC Press. Boca Raton, FL. 566 pp.
VIOLAXANTHIN 2 Leaf not available not available not available Duke, 1992 *
VITAMIN-K-1 0 Leaf 3.0 17.0 not available Duke, 1992 *
VITEXIN 18 Leaf not available not available not available Jim Duke's personal files.
WATER 0 Leaf 40000.0 120000.0 -3.43 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
XANTHINE 1 Leaf not available not available not available Leung, A.Y., Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics, John Wiley & Sons, New York, 1980.
ZEAXANTHIN 5 Leaf not available not available not available Duke, 1992 *
ZINC 77 Leaf not available 30.0 -0.34 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
Congestant 1 Yamamoto, A., Umemori, S., and Muranishi, S. 1993. Absorption Enhancement of Intrapulmonary Administered Insulin by Various Absorption Enhancers and Protease Inhibitors in Rats. J. Pharm. Pharmacol. 46: 14-18, 1994.
Contraceptive 1 Martindale's 28th
Controlled 1 HerbalGram No. 20, page 15.
Convulsant 1 R.J. Hixtable (Huxtable, R.J. (as T. Max). 1992. This and That:The Essential Pharmacology of Herbs and Spices. Tips 13:15-20 Huxtable, R.J. 1992b. The Myth of Benficent Nature. The Risk of Herbal Preparations. Anns. Intern. Med. 117(2):165-6; Huxtable, R.
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
Copper-Chelator 2 Duke, 1992 *
Coronary-Dilator 1 McKenna, D. J., Hughes, K., and Jones, K. 2000. Green Tea Monograph. Alternative Therapies, 6(3): 61-82.
Cosmetic 2 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Counterirritant 3 Duke, 1992 *
COX-1-Inhibitor 6 Duke, 1992 *
COX-2-Inhibitor 9 Duke, 1992 *
Culicide 2 Duke, 1992 *
Cyclooxygenase-Activator 2 Hansel, R., Keller, K., Rimpler, H., and Schneider, G. eds. 1992. Hager's Handbuch der Pharmazeutischen Praxis, Drogen (A-D), 1209 pp., 1993 (E-O), 970 pp., 1994 (P-Z), 1196 pp. Springer-Verlag, Berlin.
Cyclooxygenase-Inhibitor 12 Duke, 1992 *
Cytochrome-P450-1A1-Inhibitor 1 Duke, 1992 *
Cytochrome-P450-1A2-Inhibitor 1 Duke, 1992 *
Cytochrome-P450-Inducer 3 Duke, 1992 *
Cytochrome-P450-Inhibitor 2 Pizzorno, J. 1998. Total Wellness. Prima Health, a division of Prima.
Cytochrome-P488-Inducer 1 Newall, C. A., Anderson, L. A. and Phillipson, J. D. 1996. Herbal Medicine - A Guide for Health-care Professionals. The Pharmaceutical Press, London. 296pp.
Cytoprotective 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.