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

Allium cepa (Liliaceae)

Common Names
Onion; Shallot
How this plant is used
Food

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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
THIOPROPANAL-S-OXIDE 0 Bulb *
THIOPROPIONAL-S-OXIDE 0 Bulb *
THREONINE 4 Bulb 280.0 3052.0 -1.00 USDA's Ag Handbook 8 and sequelae)
TITANIUM 0 Bulb 0.4 11.0 USDA's Ag Handbook 8 and sequelae)
TRANS-1-(1-PROPENYL-DITHIO)-PROPANE 0 Essential Oil Albrand, M., Dubois, P., Etievant, P., Gelin, R., Tokarska, B. 1980. Identification of a New Volatile Compound in Onion (Allium cepa) and Leek (Allium porum): 3,4-dimethyl-2,5-dioxo-2,5-dihydrothiophene. J. Agric. Food Chem., 28(5): 1037-1038.
TRANS-1-(PROPENYL-DITHIO)-PROPANE 0 Essential Oil *
TRANS-2,3-DIMETHYL-5,6-DITHIA-CYCLO(2,2,1)HEPTANE-5-OXIDE 0 Bulb Dorsch,W.,et.al.1988.Anti-Asthmatic Effects of Onions. Alk(en)ylsufinothoic Acid Alk(en)yl-Esters Inhib. Histamine Rel. Leukotriene & Thromboxane Biosyn. in Vitro and Counteract PAF & Allergen-Ind. Bronch. Obst. in Vivo. Biochem. Pharmacol., 37:4479-4486.
TRANS-3,5-DIETHYL-1,2,4,-TRITHIOLANE 0 Leaf Chemical Constituents of Oriental Herbs (3 diff. books)
TRANS-5-ETHYL-4,6,7-TRITHIA-2-DECENE-4-S-OXIDE 4 Bulb *
TRANS-CIS-5-ETHYL-4,6,7-TRITHIA-2,8-DECADIENE-4-S-OXIDE 0 Bulb *
TRANS-METHYLSULPHINOTHIOIC-ACID-S-1-PROPENYLESTER 4 Bulb *
TRANS-N-PROPYLSULPHINOTHIOIC-ACID-S-1-PROPENYLESTER 4 Bulb *
TRANS-S-(1-PROPENYL)-CYSTEINE-SULFOXIDE 0 Bulb 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.
TRANS-TRANS-5-ETHYL-4,6,7-TRITHIA-2,8-DECADIENE-4-S-OXIDE 4 Bulb *
TRIDECAN-2-ONE 0 Bulb Wealth of India.
TRIGONELLINE 15 Seed 13.0 -0.47 Evans, L. S., Tramontano, W. A. 1984. Trigonelline and Promotion of Cell Arrest in G2 of Various Legumes. Phytochemistry, 23(9): 1837-1840.
TRYPTOPHAN 29 Bulb 170.0 1853.0 1.00 USDA's Ag Handbook 8 and sequelae)
TSEPOSIDES 0 Seed Kintia, P. K., Degtiaryova, L. P., Balashova, N. N., Shvets, S. A. 1987. Sterols and Steroidal Glycosides of Bulb Onion Seeds. Fecs. Int. Conf. Chem. Biotechol. Biol. Act. Nat. Prod., (Proc.) 3rd: 166-170.
TULIPOSIDE-A 1 Root Slob, A., Jekel, B., De Jong, B., Schlatmann, E. 1975. On the Occurrence of Tuliposides in the Liliiflorae. Phytochemistry, 14: 1997-2005.
TULIPOSIDE-B 0 Root Slob, A., Jekel, B., De Jong, B., Schlatmann, E. 1975. On the Occurrence of Tuliposides in the Liliiflorae. Phytochemistry, 14: 1997-2005.
View the list of ubiquitous chemicals
Download these results as:
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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
Gram(+)icide 3 LAWSON in Koch, H. P. and Lawson, L. D., eds. 1996. Garlic- The
Science and therapeutic application of Allium sativum L. and related species. Williams & Wilkins, Baltimore. 329 pp.
Gram(-)icide 1 LAWSON in Koch, H. P. and Lawson, L. D., eds. 1996. Garlic- The
Science and therapeutic application of Allium sativum L. and related species. Williams & Wilkins, Baltimore. 329 pp.
GT-Inducer 1 *
Hemolytic 2 Bisset, N.G., ed. 1994. Herbal Drugs and Phytopharmaceuticals. CRC Press. Boca Raton, FL. 566 pp.
Hemopoietic 1 *
Hemostat 5 *
Hemostatic 1 Merck 11th Edition
Hepatocarcinogenic 1 *
Hepatomagenic 2 Phenolic Compounds in Food and Their Effects on Health. Antioxidants & Cancer Prevention. Huang, M.T., Ho, C.T. and Lee, C.Y. eds. 1992. ACS Symposium Series 507.ACS, Washington 402 pp.
Hepatoprotective 17 *
Hepatotonic 1 Fitoterapia No.5-1986.
Hepatotoxic 4 Martindale's 29th
Hepatotropic 2 *
Herbicide 4 Lydon, J. & Duke, S., The potential of pesticides from plants, pp. 1-41 in Craker, L. & Simon, J., eds, Herbs, Spices & Medicinal Plants: Recent Advances in Botany, Horticulture, & Pharmacology, v. 4, Oryx Press, Phoenix, 1989, 267pp.
Histamine-Inhibitor 1 *
HIV-RT-Inhibitor 2 Garcia, J., Morin,* C., Nyasse, B., Sondengam, B-L., Tchouankeu, J-C., and Tsamo, E. Complete Structural Assignments Of An Ergosterol Derivative From Entandrophragma utile. Journal of Natural Products, 54(1): 136-142, 1991.
Hydrocholerectic 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Hypercholesterolemic 3 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Hyperglycemic 2 Merck 11th Edition
Hypertensive 3 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).