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Plant Allium cepa (Liliaceae)

Common Names
Onion; Shallot
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
PROSTAGLANDIN-A-1 2 Bulb not available 1.0 not available Duke, 1992 *
PROSTAGLANDIN-B 0 Bulb not available not available not available Pobozsny, K., Tetenyi, P., Hethelyi, I., Kocsar, L., Mann, V. 1979. Biologically Active Substances: Investigations into the Prostaglandin Content of Allium Species. I. Herba Hung, 18(2): 71-81.
PROSTAGLANDIN-E-1 2 Bulb not available not available not available Ustunes, L., Claeys, M., Laekeman, G., Herman, A.G., Vlietinck, A.J., Ozer, A. 1985. Isolation and Identification of Two Isomeric Trihydroxy Octadecenoic Acids with Prostaglandin E-Like Activity from Onion Bulbs(Allium cepa). Prostaglandins, 29(5):847-865
PROSTAGLANDIN-F 0 Bulb not available not available not available Pobozsny, K., Tetenyi, P., Hethelyi, I., Kocsar, L., Mann, V. 1979. Biologically Active Substances: Investigations into the Prostaglandin Content of Allium Species. I. Herba Hung, 18(2): 71-81.
PROTEIN 0 Bulb 10940.0 162000.0 -1.00 Duke, 1992 *
PROTEIN 0 Leaf 18000.0 231000.0 0.19 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
PROTOCATECHUIC-ACID 43 Bulb 4500.0 17540.0 not available Duke, 1992 *
PROTOCATECHUIC-ACID 43 Leaf not available not available not available Das, V. S. R., Rao, J. V. S. 1964. Phenolic Acids of Onion Plant. Curr. Sci., 33(15): 471-472.
PUFA 4 Bulb 620.0 6005.0 not available USDA's Ag Handbook 8 and sequelae)
PYROCATECHOL 12 Bulb not available not available not available Hermann, K. 1958. Flavonols and Phenols of the Onion (Allium cepa). Arch. Pharm. (Weinheim), 291: 238-247.
PYRUVIC-ACID 1 Bulb not available not available not available Malkki, Y., Nikkila, O. E., Aalto, M. 1978. The Composition and Aroma of Onions and Influencing Factors. J. Sci. Agr. Soc. Finland, 50: 103-.
PYRUVIC-ACID 1 Fruit not available 1034.0 not available Duke, 1992 *
PYRUVIC-ACID 1 Fruit Juice not available 1034.0 not available Morgan, E. J. 1946. Pyruvic Acid in the Juice of Onion (Allium cepa). Nature (London), 157: 512.
QUERCETIN 176 Bulb 0.0 48100.0 1.00 Duke, 1992 *
QUERCETIN-3,4'-DI-O-BETA-D-GLUCOSIDE 0 Bulb 1700.0 5600.0 not available Duke, 1992 *
QUERCETIN-3,4'-DIGLUCOSIDE 2 Bulb not available not available not available Duke, 1992 *
QUERCETIN-3-O-BETA-D-GLUCOSIDE 2 Bulb 0.0 40.0 not available Abstract (See species file)
QUERCETIN-3-O-SOPHOROSIDE-7-O-GLUCURONIDE 0 Epidermis not available not available not available Urushibara, S. I., Kitayama, Y., Watanabe, T., Okuno, T., Watarai, A., Matsumoto, T. 1992. New Flavonol Glycosides, Major Determinants Inducing the Green Fluorescence in the Guard Cells of Allium cepa. Tetrahedron Lett., 33(9): 1213-1216.
QUERCETIN-4',7-DI-O-BETA-D-GLUCOSIDE 0 Bulb 0.0 160.0 not available Duke, 1992 *
QUERCETIN-4-O-BETA-D-GLUCOSIDE 0 Bulb 100.0 800.0 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
Allelopathic 3 Holappa, L.D., and Blum*, U. 1991. Effects of Exogenously Applied Ferulic Acid, a Potential Allelopathic Compound, on Leaf Growth, Water Utilization, and Endogenous Abscisic Acid Levels of Tomato, Cucumber, and Bean. J. of Chemical Ecology, 17(5): 865.
Allergenic 13 Duke, 1992 *
Alpha-Amylase-Inhibitor 1 Duke, 1992 *
Alpha-Glucosidase-Inhibitor 1 Duke, 1992 *
Alpha-Reductase-Inhibitor 1 Duke, 1992 *
Amebicide 2 Duke, 1992 *
Amphiglycemic? 1 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Analgesic 11 Duke, 1992 *
Anaphrodisiac 1 Medline (post 1990 searches filed in my computer)
Androgenic 2 Duke, 1992 *
Androgenic? 1 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Anemiagenic 2 Duke, 1992 *
Anesthetic 2 Borchard, R. E., Barnes, C. D., and Eltherton, L. G. 1991. Drug Dosage in Laboratory Animals: A Handbook. (3rd Ed.) The Telford Press, Inc., P. O. Box 287, Caldwell NJ 07006.
Angiogenic 1 Duke, 1992 *
Angiotensin-Receptor-Blocker 3 Duke, 1992 *
Anhydrotic 1 Martindale's 29th
Anorexic 3 Forest H. Nielsen, USDA, Grand Forks, various publications.
Anthelmintic 3 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Antiacetylcholinesterase 1 Duke, 1992 *
Antiacid 1 Martindale's 29th