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 |
|---|---|---|---|---|---|---|
| CHOLEST-7-EN-3-BETA-OL | 0 | Bulb | not available | not available | not available | Itoh, T., Tamura, T., Mitsuhashi, T., Matsumoto, T. 1977. Sterols of Liliaceae. Phytochemistry, 16: 140-141. |
| CHOLESTEROL | 1 | Bulb | not available | not available | not available | Duke, 1992 * |
| CHOLESTEROL | 1 | 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. |
| CHOLINE | 20 | Bulb | not available | 830.0 | not available | Dakshinamurti, K. 1955. Choline Content of South Indian Foods. Curr. Sci., 24: 194-195. |
| CHROMIUM | 24 | Bulb | 0.1 | 4.0 | 1.00 | Duke, 1992 * |
| CHROMIUM | 24 | Seed | not available | 4.8 | 0.02 | Duke, 1992 * |
| CIS-1-(PROPENYL-DITHIO)-PROPANE | 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. |
| CIS-2,3-DIMETHYL-5,6-DITHIA-CYCLO(2,2,1)HEPTANE-5-OXIDE | 0 | Bulb | not available | not available | not available | Dorsch,W.,et.al.1988.Anti-Asthmatic Effects of Onions. Alk(en)ylsufinothoic Acid Alk(en)yl-Esters Inhib. Histamine Rel. Leukotriene & Thromboxane Biosyn. in Vitro and Counteract PAF & Allergen-Ind. Bronch. Obst. in Vivo. Biochem. Pharmacol., 37:4479-4486. |
| CIS-3,5-DIETHYL-1,2,4-TRITHIOLANE | 0 | Leaf | not available | not available | not available | Chemical Constituents of Oriental Herbs (3 diff. books) |
| CIS-METHYLSULPHINOTHIOIC-ACID-S-1-PROPENYLESTER | 4 | Bulb | not available | not available | not available | Duke, 1992 * |
| CIS-N-PROPYLSULPHINOTHIOIC-ACID-S-1-PROPENYLESTER | 4 | Bulb | not available | not available | not available | Duke, 1992 * |
| CIS-PROPANETHIAL-S-OXIDE | 0 | Bulb | not available | not available | not available | Block, E., Penn, R. E., Revelle, L. K. 1979. Structure and Origin of the Onion Lachrymatory Factor. A Microwave Study. J. Amer. Chem. Soc., 101: 2200-2201. |
| CIS-PROPANETHIOL-S-OXIDE | 0 | Bulb | not available | not available | not available | Duke, 1992 * |
| CIS-ZWEIBELANE | 0 | Bulb | not available | not available | not available | Calvey, E. M., Matusik, J. E., White, K. D., Betz, J. M., Block, E., Littlejohn, M. H., Naganathan, S., Putman, D. 1994. Off-Line Supercritical Fluid Extraction of Thiosulfinates from Garlic and Onion. J. Agric. Food Chem., 42(6): 1335-1341. |
| CITRIC-ACID | 23 | 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. |
| CITRIC-ACID | 23 | 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. |
| COBALT | 2 | Bulb | 0.0 | 0.2 | -1.00 | Duke, 1992 * |
| COBALT | 2 | Seed | not available | 2.5 | -0.10 | Duke, 1992 * |
| COPPER | 12 | Bulb | 0.3 | 11.0 | 0.11 | Duke, 1992 * |
| COPPER | 12 | Seed | not available | 18.2 | 0.31 | Duke, 1992 * |
| Activity | Chemical Count | Reference |
|---|---|---|
| Laxative? | 2 | Lawrence Review of Natural Products, Sep-91. |
| Leptingenic | 1 | Challem, J., Berkson, Burt, and Smith, Melissa Dianne. 2000. Syndrome X - The complete nutritional program to prevent and reservse insulin resistance. John Wiley & Sons, New York. 272 pp. $24.95 |
| Leucocytogenic | 1 | Duke, 1992 * |
| Leukotriene-Inhibitor | 1 | Duke, 1992 * |
| Lipolytic | 7 | 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. |
| Lipotropic | 2 | Duke, 1992 * |
| Lipoxygenase-Inhibitor | 6 | Duke, 1992 * |
| Lithogenic | 3 | Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp. |
| Litholytic | 2 | Martindale's 29th |
| Lubricant | 3 | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| Lyase-Inhibitor | 1 | Duke, 1992 * |
| Lymphocytogenic | 1 | Cunane, S. and Thompson, L. U., eds. 1995. Flaxseed in Human Nutrition. AOCS Press, Champaign IL. 384 pp. |
| MAO-A-Inhibitor | 1 | Duke, 1992 * |
| MAO-Inhibitor | 2 | Duke, 1992 * |
| Mast-Cell-Stabilizer | 1 | Duke, 1992 * |
| Memorigenic | 2 | Duke, 1992 * |
| Memory-Enhancer | 1 | Science News, 138: 189, 1990. |
| Metal-Chelator | 2 | McEvily, A.J., Iyengar, R., and Gross, A.T. Inhibition of Polyphenol Oxidase by Phenolic Compounds. Phenolic Compounds in Food and Their Effects on Health, Ch.25. |
| Metal-Chelator (Copper) | 1 | Seidel, V., Verholle, M., Malard, Y., Tillequin, F., Fruchart, J-C., Duriez, P., Bailleul, F., Teissier, E. 2000. Phenylpropanoids from Ballota nigra L. Inhibit in vitro LDL Peroxidation. Phytotherapy Research, 14(2): 93-98. |
| Metalloproteinase-Inhibitor | 1 | Duke, 1992 * |