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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
LEAD 0 Bulb 0.0 1.4 not available Duke, 1992 *
LEUCINE 2 Bulb 410.0 4469.0 -1.00 USDA's Ag Handbook 8 and sequelae)
LINOLEIC-ACID 27 Bulb not available not available not available Osman, S. A. 1980. Chemical and Biological Studies of Onion and Garlic in an Attempt to Isolate a Hypoclycaemic Extract. Abstr. 4th Asian Symp. Med. Plants Spices Bangkok, Thailand, September 15-19: 117.
LINOLEIC-ACID 27 Seed 103500.0 106200.0 -0.01 Wealth of India.
LINOLEIC-ACID 27 Seed Oil 575000.0 590600.0 0.78 Duke, 1992 *
LITHIUM 11 Bulb 0.2 0.3 not available Duke, 1992 *
LOPHENOL 0 Bulb not available not available not available Itoh, T., Tamura, T., Mitsuhashi, T., Matsumoto, T. 1977. Sterols of Liliaceae. Phytochemistry, 16: 140-141.
LUTEIN 15 Bulb not available 0.0 not available Granado, F., Olmedilla, B., Blanco, I., Rojas-Hidalgo, E. 1992. Carotenoid Composition in Raw and Cooked Spanish Vegetables. J. Agr. Food Chem., 40(11): 2135-2140.
LYSINE 4 Bulb 560.0 6104.0 -1.00 USDA's Ag Handbook 8 and sequelae)
MAGNESIUM 65 Bulb 76.0 1230.0 0.73 Duke, 1992 *
MALIC-ACID 15 Bulb not available not available not available Soldatenkov, S. V., Mazurova, T. A., Ranteleev, A. N. 1960. Organic Acids of Onion and Spinach. Trudy Petergof Biol. Inst., Leningrad Gosudarst Univ Im AA Zhdanova, 18: 55-61.
MALIC-ACID 15 Leaf not available not available not available Soldatenkov, S. V., Mazurova, T. A., Ranteleev, A. N. 1960. Organic Acids of Onion and Spinach. Trudy Petergof Biol. Inst., Leningrad Gosudarst Univ Im AA Zhdanova, 18: 55-61.
MANGANESE 14 Bulb 1.0 38.0 1.40 Duke, 1992 *
MANGANESE 14 Seed not available 19.4 -0.43 Duke, 1992 *
MELATONIN 23 Bulb not available not available not available Hattori, A., et. al. 1995. Identification of Melatonin in Plants and its Effects on Plasma Melatonin Levels and Binding to Melatonin Receptors in Vertebrates. Biochem. Mol. Biol. Int., 35(3): 627-634.
MERCURY 1 Bulb not available 0.0 -1.00 Duke, 1992 *
METHANETHIOL 0 Bulb not available not available not available Wealth of India.
METHANOL 2 Bulb not available not available not available Duke, 1992 *
METHANOL 2 Leaf not available not available not available Burtsev, A. F., Pashchenko, T. W., Rik, G. R. 1974. Mass-Spectrometric Analysis of Volatile Phytonocide Substances of Cucumber and Common Onion Leaves. Fiziol Biokhim Kul't Rast, 6: 516-.
METHIONINE 15 Bulb 100.0 1090.0 -1.00 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
Neuroprotective 3 Duke, 1992 *
Neurotoxic 1 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Neurotransmitter 1 Duke, 1992 *
NF-kB-Inhibitor 4 Duke, 1992 *
NO-Genic 1 Duke, 1992 *
NO-Inhibitor 3 Duke, 1992 *
NO-Scavenger 1 Duke, 1992 *
NO-Synthase-Inhibitor 1 Duke, 1992 *
Occuloirritant 2 Duke, 1992 *
Odontolytic 1 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.
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 4 Hagerman, A.E. Tannin-Protein Interactions. Phenolic Compounds in Food and Their Effects on Health, Ch.19.
Osmoregulator 1 Duke, 1992 *
Osteogenic 1 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Osteolytic 1 Duke, 1992 *
Oviposition-Stimulant 1 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 2 Larson, R.A. 1987. Review Article Number 30. The Antioxidants of Higher Plants. Phytochemistry. 27: 969-978.
P450-Inducer 1 Father Nature's Farmacy: The aggregate of all these three-letter citations.
P450-Inhibitor 1 Father Nature's Farmacy: The aggregate of all these three-letter citations.