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 |
|---|---|---|---|---|---|---|
| THIOPROPANAL-S-OXIDE | 0 | Bulb | not available | not available | not available | Duke, 1992 * |
| THIOPROPIONAL-S-OXIDE | 0 | Bulb | not available | not available | not available | Duke, 1992 * |
| THREONINE | 4 | Bulb | 280.0 | 3052.0 | -1.00 | USDA's Ag Handbook 8 and sequelae) |
| TITANIUM | 0 | Bulb | 0.4 | 11.0 | not available | USDA's Ag Handbook 8 and sequelae) |
| TRANS-1-(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. |
| TRANS-1-(PROPENYL-DITHIO)-PROPANE | 0 | Essential Oil | not available | not available | not available | Duke, 1992 * |
| TRANS-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. |
| TRANS-3,5-DIETHYL-1,2,4,-TRITHIOLANE | 0 | Leaf | not available | not available | not available | Chemical Constituents of Oriental Herbs (3 diff. books) |
| TRANS-5-ETHYL-4,6,7-TRITHIA-2-DECENE-4-S-OXIDE | 4 | Bulb | not available | not available | not available | Duke, 1992 * |
| TRANS-CIS-5-ETHYL-4,6,7-TRITHIA-2,8-DECADIENE-4-S-OXIDE | 0 | Bulb | not available | not available | not available | Duke, 1992 * |
| TRANS-METHYLSULPHINOTHIOIC-ACID-S-1-PROPENYLESTER | 4 | Bulb | not available | not available | not available | Duke, 1992 * |
| TRANS-N-PROPYLSULPHINOTHIOIC-ACID-S-1-PROPENYLESTER | 4 | Bulb | not available | not available | not available | Duke, 1992 * |
| TRANS-S-(1-PROPENYL)-CYSTEINE-SULFOXIDE | 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. |
| TRANS-TRANS-5-ETHYL-4,6,7-TRITHIA-2,8-DECADIENE-4-S-OXIDE | 4 | Bulb | not available | not available | not available | Duke, 1992 * |
| TRIDECAN-2-ONE | 0 | Bulb | not available | not available | not available | Wealth of India. |
| TRIGONELLINE | 15 | Seed | not available | 13.0 | -0.47 | Evans, L. S., Tramontano, W. A. 1984. Trigonelline and Promotion of Cell Arrest in G2 of Various Legumes. Phytochemistry, 23(9): 1837-1840. |
| TRYPTOPHAN | 29 | Bulb | 170.0 | 1853.0 | 1.00 | USDA's Ag Handbook 8 and sequelae) |
| TSEPOSIDES | 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. |
| TULIPOSIDE-A | 1 | Root | not available | not available | not available | Slob, A., Jekel, B., De Jong, B., Schlatmann, E. 1975. On the Occurrence of Tuliposides in the Liliiflorae. Phytochemistry, 14: 1997-2005. |
| TULIPOSIDE-B | 0 | Root | not available | not available | not available | Slob, A., Jekel, B., De Jong, B., Schlatmann, E. 1975. On the Occurrence of Tuliposides in the Liliiflorae. Phytochemistry, 14: 1997-2005. |
| Activity | Chemical Count | Reference |
|---|---|---|
| Anticarcinomic | 2 | Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf). |
| Anticarcinomic (Breast) | 1 | Medline (post 1990 searches filed in my computer) |
| Anticardiospasmic | 1 | Duke, 1992 * |
| Anticariogenic | 2 | Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp. |
| Anticariogenic? | 1 | Martindale's 28th |
| Anticarpal-Tunnel | 1 | Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp. |
| Anticataract | 11 | Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp. |
| Anticephalagic | 3 | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| Anticervicaldysplasic | 3 | Duke, 1992 * |
| AntiCFS | 3 | Duke, 1992 * |
| Anticheilitic | 2 | Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp. |
| Antichilblain | 1 | Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| Anticholinesterase | 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. |
| Antichoreic | 1 | Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp. |
| Anticirrhotic | 2 | Duke, 1992 * |
| Anticirrhotic? | 1 | Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp. |
| Anticlastogen | 3 | Duke, 1992 * |
| Anticlaudificant? | 1 | Martindale's 29th |
| Anticlimacteric | 4 | Duke, 1992 * |
| Anticoagulant | 1 | Merck 11th Edition |