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
LUPEOL 21 Seed Oil not available not available not available Duke, 1992 *
LUTEIN 15 Leaf not available not available not available Duke, 1992 *
LYCOPENE 16 Leaf not available not available not available Duke, 1992 *
LYSINE 4 Leaf not available not available not available Duke, 1992 *
M-CRESOL 8 Leaf not available not available not available Duke, 1992 *
M-DIGALLIC-ACID 0 Leaf not available not available not available Duke, 1992 *
MAGNESIUM 65 Leaf not available 2200.0 -0.74 Duke, 1992 *
MALIC-ACID 15 Leaf not available not available not available Duke, 1992 *
MANGANESE 14 Leaf not available 1200.0 1.54 Duke, 1992 *
MENTHOL 63 Leaf not available not available not available Duke, 1992 *
MESO-INOSITOL 0 Plant not available not available not available Duke, 1992 *
METHYL-AMINE 1 Leaf not available 50.0 1.67 Duke, 1992 *
METHYL-ETHYL-KETONE 1 Leaf not available not available not available Duke, 1992 *
METHYL-MERCAPTAN 0 Leaf not available not available not available Duke, 1992 *
METHYL-OCTANOATE 0 Leaf not available not available not available Duke, 1992 *
METHYL-PYRAZINE 0 Leaf not available not available not available Duke, 1992 *
METHYL-SALICYLATE 21 Leaf not available not available not available Duke, 1992 *
METHYL-TRANS-DIHYDROJASMONATE 0 Leaf not available not available not available Duke, 1992 *
METHYL-XANTHINES 0 Leaf not available 35000.0 not available Duke, 1992 *
MYRCENE 22 Leaf not available not available 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
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 Duke, 1992 *
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 Duke, 1992 *
NF-kB-Inhibitor 3 Duke, 1992 *
NO-Genic 3 Duke, 1992 *
NO-Inhibitor 5 Duke, 1992 *
NO-Synthase-Inhibitor 2 Duke, 1992 *
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 Duke, 1992 *
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 Duke, 1992 *
Oxidant 3 Larson, R.A. 1987. Review Article Number 30. The Antioxidants of Higher Plants. Phytochemistry. 27: 969-978.