An official website of the United States government.
Common Names
Onion; Shallot
How this plant is used
Food
| Chemical Name | Activity Count | Plant Part | Low Parts Per Million | High Parts Per Million | Standard Deviation | Reference |
|---|---|---|---|---|---|---|
| ASCORBIC-ACID | 112 | Leaf | 390.0 | 5000.0 | 0.02 | Duke, 1992 * |
| ASH | 0 | Bulb | 4000.0 | 63000.0 | -1.00 | Duke, 1992 * |
| ASH | 0 | Leaf | 7000.0 | 90000.0 | -0.51 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| ASPARAGINE | 2 | Bulb | not available | not available | not available | Duke, 1992 * |
| ASPARTIC-ACID | 3 | Bulb | 640.0 | 6967.0 | -1.00 | USDA's Ag Handbook 8 and sequelae) |
| BARIUM | 0 | Bulb | 4.0 | 28.0 | not available | Duke, 1992 * |
| BENZYL-ISOTHIOCYANATE | 20 | Bulb | not available | not available | not available | Dorsch, W., Adam, O., Weber, J., Ziegeltrum, T. 1985. Antiasthmatic Effects of Onion Extracts - Detection of Benzyl- and Other Isothiocyanates (Mustard Oils) as Antiasthmatic Compounds of Plant Origin. Eur. J. Pharmacol., 107(1): 17-24. |
| BETA-CAROTENE | 53 | Bulb | 0.0 | 52.0 | 1.00 | Duke, 1992 * |
| BETA-CAROTENE | 53 | Flower | not available | 28.0 | -0.19 | Duke, 1992 * |
| BETA-CAROTENE | 53 | Leaf | 12.0 | 158.0 | -0.45 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| BETA-SITOSTEROL | 47 | Bulb | 120.0 | 510.0 | -1.00 | Duke, 1992 * |
| BETA-SITOSTEROL | 47 | 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. |
| BETA-SITOSTEROL | 47 | 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) |
| BETA-TOCOPHEROL | 0 | Seed | not available | not available | not available | Duke, 1992 * |
| BETA-TOCOPHEROL | 0 | 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) |
| BORON | 4 | Bulb | 1.0 | 45.0 | 1.00 | Duke, 1992 * |
| BRASSICASTEROL | 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. |
| BROMINE | 0 | Bulb | 1.0 | 15.0 | not available | ACTA AGRIC SCAND SUPPL 22: 1980 |
| CADMIUM | 3 | Bulb | 0.0 | 0.4 | not available | Duke, 1992 * |
| CAFFEIC-ACID | 102 | Bulb | not available | not available | not available | 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 |