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.

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

Camellia sinensis (Theaceae)

Common Names
Tea
How this plant is used
Food
View the list of ubiquitous chemicals
Download these results as:
CSV
EXCEL
PDF
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
STIGMASTEROL 12 Seed Oil *
STRICTININ 1 Leaf 130.0 1.18 *
SULFUR 14 Leaf 880.0 -0.93 ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes.
TANNIC-ACID 41 Leaf *
TANNIN 35 Leaf 33800.0 270000.0 1.95 *
TANNINS 0 Leaf 33800.0 270000.0 2.25 *
TARAXEROL 2 Seed Oil 20.0 *
TEASTERONE 0 Leaf *
TETRAMETHYL-PYRAZINE 22 Leaf Jim Duke's personal files.
TETRAMETHYLTRIOXYPURINE 0 Leaf *
THEAFLAGALLIN 0 Leaf 3.0 4.0 Jim Duke's personal files.
THEAFLAVIN 7 Leaf 5.4 600.0 *
THEAFLAVIN 7 Shoot 1800.0 14000.0 *
THEAFLAVIN-3'-O-GALLATE 0 Leaf 19.0 800.0 *
THEAFLAVIN-3-3'-DI-O-GALLATE 0 Leaf 18.0 300.0 *
THEAFLAVIN-3-GALLATE 0 Leaf *
THEAFLAVIN-ACID 0 Leaf *
THEAFLAVIN-DIGALLATE 3 Leaf 700.0 2500.0 *
THEAFLAVIN-GALLATE-A 0 Leaf 1700.0 8300.0 *
THEAFLAVIN-GALLATE-B 0 Leaf 2400.0 2500.0 *
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
Nephrotoxic 2 Martindale's 29th
Neurodepressant 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.
Neuroinhibitor 1 Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Neuropathogenic 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.
Neuroprotective 6 *
Neurotoxic 3 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.
Neurotransmitter 1 *
NF-kB-Inhibitor 3 *
NO-Genic 3 *
NO-Inhibitor 5 *
NO-Synthase-Inhibitor 2 *
Nociceptive 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.
Nodulation-Signal 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Ophthalmic-Antialkali 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Ornithine-Decarboxylase-Inhibitor 7 Hagerman, A.E. Tannin-Protein Interactions. Phenolic Compounds in Food and Their Effects on Health, Ch.19.
Osteogenic 1 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Osteolytic 1 *
Oviposition-Stimulant 2 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Ovulant 1 *
Oxidant 3 Larson, R.A. 1987. Review Article Number 30. The Antioxidants of Higher Plants. Phytochemistry. 27: 969-978.