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Activities: 780
All Chemicals: 452
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# Activity Chemical Low PPM High PPM StdDev *Reference
0 CEPAENE-4-A Bulb -- -- Bayer, T., Wagner, H., Wray, V., Dorsch, W. 1988. Inhibitors of Cyclo-Oxygenase and Lipoxygenase in Onions. Lancet, 8616: 906.
22 CATECHOL Bulb -- -- Link, K. P., Walker, J. C. 1933. The Isolation of Catechol from Pigmented Onion Scales and its Significance in Relation to Disease Resistance in Onions. J. Biol. Chem., 100: 379-383.
0 SELENO-METHYL-SELENOCYSTEINE Plant -- -- Hamilton, J. W. 1975. Chemical Examination of Seleniferous Onions, Allium cepa. Adv. Front Plant Sci., 30: 189-.
4 CIS-METHYLSULPHINOTHIOIC-ACID-S-1-PROPENYLESTER Bulb -- -- *
0 LOPHENOL Bulb -- -- Itoh, T., Tamura, T., Mitsuhashi, T., Matsumoto, T. 1977. Sterols of Liliaceae. Phytochemistry, 16: 140-141.
0 2,5-DIMETHYLTHIOPHENE Essential Oil -- -- 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.
0 3,4-DIMETHYLTHIOPHENE Bulb -- -- Leung, A.Y., Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics, John Wiley & Sons, New York, 1980.
0 SAPONIN Bulb -- -- *
7 GLUCOSE Bulb -- -- 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.
0 GAMMA-L-GLUTAMYL-L-VALINE Bulb -- -- Virtanen, A. I., Matikkala, B. J. 1961. New gamma-l-glutamyl Petides in Onion (Allium cepa). III. Suomen Kemistilehti, 34B: 53-54.
3 ALLYL-PROPYL-DISULFIDE Bulb -- -- *
0 PROSTAGLANDIN-A Bulb -- -- Pobozsny, K., Tetenyi, P., Hethelyi, I., Kocsar, L., Mann, V. 1979. Biologically Active Substances: Investigations into the Prostaglandin Content of Allium Species. I. Herba Hung, 18(2): 71-81.
6 TARTARIC-ACID Bulb -- -- *
0 2,3-DIMETHYL-(DL)-BUTANE-CIS-1-CIS-DITHIAL-S,S'-DIOXIDE Bulb -- -- Block, R., Bayer, T. 1990. (z,z)-d-1,2,3-dimethyl-1,4-butanedithial-s,s'-dioxide: A Novel Bilogically Active Organosulfur Compound from Onion. J. Amer. Chem. Soc., 112(11): 4584-4585.
0 GAMMA-GLUTAMYL-S-METHYL-CYSTEINE Plant -- -- J.S. Glasby Dict.Pls Containing 2ndary Metabolite. 1991.
0 SELENO-METHIONINE Plant -- -- Hamilton, J. W. 1975. Chemical Examination of Seleniferous Onions, Allium cepa. Adv. Front Plant Sci., 30: 189-.
0 CYANIDIN-MONOGLYCOSIDE Bulb -- -- Fuleki, T. 1969. The Anthocyanins of Strawberry, Rhubarb, Radish, and Onion. J. Food Sci., 34(4): 365-369.
0 ALLIUM-CEPA-POLYSACCHARIDE Bulb -- -- Schnabl, H. 1977. Isolation and Identification of Soluble Polysaccharides in Epidermal Tissue of Allium cepa. Planta, 135: 307-.
0 PROP-CIS-ENYL-PROPYL-TRISULFIDE Bulb -- -- Kimura, K., Nishimura, H., Kimura, I., Iwata, I., Mizutani, J. 1984. Flavor Components of Roasted Onion. I. Changes in Flavor Components of Onion by Roasting. Nippon Eiyo Shokuryo Gakkaishi, 37(4): 343-347.
10 XYLITOL Bulb -- -- Counsell, J. N., Roberton, D. J. 1976. Xylitol-A Sweetener Which is Kind to the Teeth. Food Process Ind., 45(54): 24-26.
*Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press.