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 |
|---|---|---|---|---|---|---|
| QUINIC-ACID | 1 | Bulb | not available | not available | not available | Duke, 1992 * |
| RAFFINOSE | 1 | 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. |
| RAFFINOSE | 1 | 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. |
| RHAMNOSE | 0 | Bulb | not available | not available | not available | Sinha, A. 1959. Chemical Examination of Allium cepa. I. Glycosidic and Sugar Fractions. Indian J. Appl. Chem., 22: 89-91. |
| RIBOFLAVIN | 15 | Bulb | 0.4 | 15.0 | 1.00 | Duke, 1992 * |
| RIBOSE | 0 | Bulb | not available | not available | not available | Sinha, A. 1959. Chemical Examination of Allium cepa. I. Glycosidic and Sugar Fractions. Indian J. Appl. Chem., 22: 89-91. |
| RUBIDIUM | 0 | Bulb | 0.1 | 6.6 | not available | ACTA AGRIC SCAND SUPPL 22: 1980 |
| RUTIN | 87 | Bulb | not available | 14000.0 | not available | Duke, 1992 * |
| S-(2-CARBOXY-PROPYL)-GLUTATHIONE | 0 | Bulb | not available | 125.0 | -1.00 | Tsuboi, S., Kishimoto, S., Ohmori, S. 1989. S-(2-carboxypropyl)glutathione in Vegetables in Liliflorae. J. Agric. Food Chem. 37(3): 611-615. |
| S-(BETA-CARBOXY-BETA-METHYL-ETHYL)-CYSTEINE | 0 | Bulb | not available | not available | not available | Virtamen, A. I., Matikkala, E. J. 1960. New Gamma-Glutamyl Peptides in Onion (Allium cepa). I. Gamma-glutamylphenylalanine and gamma-glutamyl-s-(beta-carboxy-beta-methylethyl)-cysteinylglycine. Suomen Kemistilehti, 33B: 83-84. |
| S-(BETA-CARBOXYBETA-METHYL-ETHER)-CYSTEINE | 0 | Bulb | not available | not available | not available | Duke, 1992 * |
| S-ALLYL-CYSTEINE | 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. |
| S-METHYL-CYSTEINE | 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. |
| S-METHYL-CYSTEINE-SULFOXIDE | 2 | Bulb | not available | not available | not available | Kumari, K., Augusti, K. T. 1995. Antidiabetic Effects of S-Methylcysteine Sulphoxide on Alloxan Diabetes. Planta Medica, 61(1): 72-74. |
| S-PROP-1-ENYL-CYSTEINE-S-OXIDE | 0 | Bulb | not available | 26.0 | not available | Duke, 1992 * |
| S-PROPYL-CYSTEINE-SULFOXIDE | 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. |
| SALICYLATES | 7 | Bulb | 1.0 | 20.0 | 1.00 | Duke, 1992 * |
| SAPONIN | 0 | Bulb | not available | not available | not available | Duke, 1992 * |
| SAPONINS | 5 | Bulb | not available | not available | not available | Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp. |
| SATIOMEM | 0 | Bulb | not available | not available | not available | Upreti, R. K., Ahmad, S., Shukla, S., Kidwai, A. M. 1994. Experimental Anorexigenic Effect of a Membrane Proteoglycan Isolated from Plants. J. Ethnopharmacology, 42(1): 53-61. |
| Activity | Chemical Count | Reference |
|---|---|---|
| Antiperiodontal | 1 | Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf). |
| Antiperiodontic | 2 | Duke, 1992 * |
| Antiperiodontitic | 3 | Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp. |
| Antiperistaltic | 1 | Duke, 1992 * |
| Antipermeability | 1 | Duke, 1992 * |
| Antiperoxidant | 7 | Planta Medica, 57: A54, 1991. |
| Antiperoxynitrite | 1 | Duke, 1992 * |
| AntiPGE2 | 1 | Duke, 1992 * |
| Antipharyngitic | 1 | Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf). |
| Antiphenylketonuric | 2 | Martindale's 29th |
| Antiphotophobic | 2 | Martindale's 29th |
| Antipityriasic | 1 | Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf). |
| Antiplaque | 5 | Duke, 1992 * |
| Antiplaque? | 1 | Martindale's 29th |
| Antiplasmodial | 2 | Duke, 1992 * |
| Antiplatelet | 3 | Duke, 1992 * |
| AntiPMS | 6 | Duke, 1992 * |
| Antipneumonic | 2 | Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf). |
| Antipodriac | 2 | Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp. |
| Antipolio | 1 | Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf). |