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
PHOSPHORUS 4 Leaf 3200.0 4150.0 -0.15 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
PHYTOENE 0 Leaf not available not available not available Duke, 1992 *
PHYTOFLUENE 0 Leaf not available not available not available Duke, 1992 *
PHYTOSTEROLS 2 Leaf 2600.0 11400.0 3.08 Spiller, G. A. 1996 (Spiller, G. A. Ed. 1996. CRC Handbook of Lipids in Human Nutrition. CRC Press. Boca Raton, FL. 233 pp.)
POLYPHENOL-OXIDASE 0 Plant not available not available not available Duke, 1992 *
POLYPHENOLS 30 Leaf 100000.0 390000.0 not available Duke, 1992 *
POLYSACCHARIDE-T-B 0 Leaf not available not available not available Duke, 1992 *
POTASSIUM 14 Plant not available 17600.0 -0.29 Duke, 1992 *
PROCYANIDIN-B-2 1 Leaf not available 5.8 -1.00 Duke, 1992 *
PROCYANIDIN-B-2-3'-O-GALLATE 3 Leaf not available 167.0 not available Jim Duke's personal files.
PROCYANIDIN-B-2-3,3'-DI-O-GALLATE 3 Leaf not available 160.0 not available Jim Duke's personal files.
PROCYANIDIN-B-3 2 Leaf 10.6 2100.0 not available Duke, 1992 *
PROCYANIDIN-B-4 4 Leaf not available 46.6 not available Duke, 1992 *
PROCYANIDIN-B-4-3'-O-GALLATE 0 Leaf not available 141.0 not available Jim Duke's personal files.
PROCYANIDIN-B-5-3,3'-DI-O-GALLATE 2 Leaf not available 141.0 not available Jim Duke's personal files.
PROCYANIDIN-C-1 0 Leaf not available not available not available Duke, 1992 *
PRODELPHINIDIN-A-2-3'-O-GALLATE 0 Leaf not available 4.0 not available Jim Duke's personal files.
PRODELPHINIDIN-B-2-3'-O-GALLATE 0 Leaf 18.0 238.0 not available Jim Duke's personal files.
PRODELPHINIDIN-B-2-3,3'-DI-O-GALLATE 0 Leaf not available 18.0 not available Jim Duke's personal files.
PRODELPHINIDIN-B-4 0 Leaf 56.8 800.0 not available 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
Transdermal 5 Zebovitz, T. C. Ed. 1989. Part VII. Flavor and Fragrance Substances, in Keith L. H. and Walters, D.B., eds. Compendium of Safety Data Sheets for Research and Industrial Chemicals. VCH Publishers, New York. 3560-4253.
Tremorigenic 2 Duke, 1992 *
Trichomonicide 11 Duke, 1992 *
Trichomonistat 1 Nigg, H.N. and Seigler, D.S., eds. 1992. Phytochemical Resources for Medicine and Agriculture. Plenum Press, New York. 445 pp.
Trypsin-Enhancer 1 Lawrence Review of Natural Products, Dec-93.
Tumor-Promoter 1 Duke, 1992 *
Tumorigenic 4 Jim Duke's personal files.
Tyrosinase-Inhibitor 6 Duke, 1992 *
Tyrosine-Kinase-Inhibitor 2 Economic & Medicinal Plant Research, 6: 170.
Ubiquiot 5 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Ulcerogenic 4 HerbalGram No. 20, page 9.
Uricosuric 4 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Urinary-Acidulant 1 Martindale's 29th
Urinary-Antiseptic 1 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.
Urokinase-Inhibitor 1 McKenna, D. J., Hughes, K., and Jones, K. 2000. Green Tea Monograph. Alternative Therapies, 6(3): 61-82.
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 3 Journal of Medicinal Food 2: 227.1999.
Varroacide 4 Duke, 1992 *
Vasoconstrictor 1 Leung, A.Y., Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics, John Wiley & Sons, New York, 1980.