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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
SODIUM-PROPYL-THIOSULFATE 0 Bulb not available not available not available Yamato, O., Yoshihara, T., Ichihara, A., Maede, Y. 1994. Novel Heinz Body Hemolysis Factors in Onion (Allium cepa). Biosci. Biotech. Biochem., 58(1): 221-222.
SPIRAEOSIDE 4 Bulb 10000.0 11300.0 not available Duke, 1992 *
SPIRAEOSIDE 4 Epidermis not available not available not available Ito, Y., Ono, M., Masuoka, C., Yahara, S., Nohara, T. 1995. Hyaluronidase Inhibitors of Onion (Allium cepa L.) Skin. Kyushu Tokai Daigaku Nogakubu Kiyo, 14: 43-48.
STEARIC-ACID 8 Bulb 20.0 195.0 not available Duke, 1992 *
STEARIC-ACID 8 Seed not available 6300.0 -0.43 Wealth of India.
STEARIC-ACID 8 Seed Oil not available 35000.0 -0.65 Duke, 1992 *
STIGMAST-7-EN-3-BETA-OL 0 Seed not available not available not available 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.
STIGMASTEROL 12 Bulb not available 40.0 not available Duke, 1992 *
STIGMASTEROL 12 Seed not available not available not available 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.
STIGMASTEROL 12 Seed Oil not available not available not available Grujic-Injac, B., Basarevic-Dinic, L., Lajsic, S., Stefanovic, D. 1985. Chemical Analysis of Seed Oil of the Onion (Allium cepa). Hrana Ishrana, 25: 167-169 (Inst Ishr Vet Fak Belgrade, Yugoslavia)
STRONTIUM 0 Bulb 57.0 162.0 not available Duke, 1992 *
SUCCINIC-ACID 7 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.
SUCCINIC-ACID 7 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.
SUCROSE 14 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.
SUCROSE 14 Leaf 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.
SUGARS 0 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-.
SULFUR 14 Bulb 80.0 4075.0 -1.00 Duke, 1992 *
TARTARIC-ACID 6 Bulb not available not available not available Duke, 1992 *
THIAMIN 31 Bulb 0.3 6.0 -1.00 Duke, 1992 *
THIAMIN 31 Leaf 0.5 6.4 -0.40 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
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
Testosteronigenic 1 Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Thymoprotective 1 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Thyrotropic 1 Medline (post 1990 searches filed in my computer)
TNF-alpha-Inhibitor 3 Duke, 1992 *
Topoisomerase-I-Inhibitor 2 Santti, R., Makela, S., Strauss, L., Korman, J., Kostian, M. L. 1998. Phytoestrogens: Potential Endocrine Disruptors in Males. Toxicol Ind Health, 14: 223-237.
Topoisomerase-II-Inhibitor 4 Constantinou, A., Mehta, R., Runyan, C., Rao, K., Vaughan, A., Moon, R. 1995. Flavonoids as DNA Topoisomerase Antagonists and Poisons: Structure-Activity Relationships. J Natural Products, 58: 217-225.
Tranquilizer 2 Duke, 1992 *
Tremorigenic 1 Martindale's 28th
Tremorilytic 1 Martindale's 28th
Trichomonicide 3 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.
Triglycerigenic 1 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Triglycerolytic 2 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.
Trypanosomastat 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.
Tumor-Promoter 2 Jim Duke's personal files.
Tumorigenic 2 Jim Duke's personal files.
Tyrosinase-Inhibitor 4 Duke, 1992 *
Tyrosine-Kinase-Inhibitor 1 Economic & Medicinal Plant Research, 6: 170.
Ubiquiot 7 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Ulcerogenic 3 HerbalGram No. 20, page 9.
Urease-Inhibitor 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.