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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
METHIONINE-METHYLSULFONIUM 0 Plant not available not available not available Duke, 1992 *
METHIONINE-METHYLSULFONIUM-SALT 0 Bulb not available not available not available Renis, H. E., Henze, R. E. 1957. Studies on Sulfur Compounds from Onion. Diss. Abstr. Int. B, 17: 1456-1457.
METHIONINE-SULFONE 0 Bulb not available not available not available Renis, H. E., Henze, R. E. 1957. Studies on Sulfur Compounds from Onion. Diss. Abstr. Int. B, 17: 1456-1457.
METHYL-ALLIIN 0 Bulb not available not available not available 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.
METHYL-CIS-PROPENYL-DISULFIDE 0 Bulb not available not available not available Wealth of India.
METHYL-CIS-PROPENYL-DISULFIDE 0 Plant not available not available not available Duke, 1992 *
METHYL-CIS-PROPENYL-TRISULFIDE 0 Bulb not available not available not available Duke, 1992 *
METHYL-DITHIO-METHANE 0 Essential Oil not available not available not available 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.
METHYL-METHANE-THIOSULFINATE 0 Fruit Juice not available not available not available Schmidt, N. E., et. al. 1996. Rapid Extraction Method of Quantitating the Lachrymatory Factor of Onion Using Gas Chromatography. J. Agric. Food Chem., 44(9): 2690-2693.
METHYL-N-PROPANE-THIOSULFINATE 0 Fruit Juice not available not available not available Schmidt, N. E., et. al. 1996. Rapid Extraction Method of Quantitating the Lachrymatory Factor of Onion Using Gas Chromatography. J. Agric. Food Chem., 44(9): 2690-2693.
METHYL-PROPENYL-TRISULFIDE 0 Plant not available not available not available Duke, 1992 *
METHYL-PROPYL-DISULFIDE 0 Bulb not available not available not available Duke, 1992 *
METHYL-PROPYL-DISULFIDE 0 Essential Oil not available not available not available Jirovetz, L., Koch, H. P., Jager, W., Remberg, G. 1992. Investigations of German Onion Oil by GC-FID, GC-MS and GC-FTIR. Pharmazie, 47(6): 455-456.
METHYL-PROPYL-TETRASULFIDE 0 Essential Oil not available not available not available Jirovetz, L., Koch, H. P., Jager, W., Remberg, G. 1992. Investigations of German Onion Oil by GC-FID, GC-MS and GC-FTIR. Pharmazie, 47(6): 455-456.
METHYL-TRANS-PROPENYL-DISULFIDE 0 Bulb not available not available not available Wealth of India.
METHYL-TRANS-PROPENYL-TRISULFIDE 0 Bulb not available not available not available Wealth of India.
METHYLPROPYL-TRISULFIDE 0 Bulb not available not available not available Duke, 1992 *
METHYLPROPYL-TRISULFIDE 0 Essential Oil not available not available not available Jirovetz, L., Koch, H. P., Jager, W., Remberg, G. 1992. Investigations of German Onion Oil by GC-FID, GC-MS and GC-FTIR. Pharmazie, 47(6): 455-456.
MEVALONIC-ACID 0 Bulb not available 0.5 not available Wills, R. B. H., Scurr, E. V. 1975. Mevalonic Acid Concentrations in Fruit and Vegetable Tissues. Phytochemistry, 14: 1643.
MOLYBDENUM 2 Bulb 0.1 2.3 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
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.