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Activities: 780
All Chemicals: 452
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# Activity Chemical Low PPM High PPM StdDev *Reference
0 METHYL-N-PROPANE-THIOSULFINATE Fruit Juice -- -- Schmidt, N. E., et. al. 1996. Rapid Extraction Method of Quantitating the Lachrymatory Factor of Onion Using Gas Chromatography. J. Agric. Food Chem., 44(9): 2690-2693.
27 LINOLEIC-ACID 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 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 ALLYLPROPYL-SULFIDE Bulb -- -- Wealth of India.
1 RAFFINOSE Leaf -- -- 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 TRANS-1-(PROPENYL-DITHIO)-PROPANE Essential Oil -- -- *
0 S-METHYL-CYSTEINE Bulb -- -- 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.
0 GAMMA-L-GLUTAMYL-S-(2-CARBOXY-BETA-METHYL-ETHYL)-CYSTEINYL-GLYCINE-ETHYL-ESTER Bulb -- -- *
0 KAEMPFEROL-3-O-SOPHOROSIDE-7-O-GLUCURONIDE Epidermis -- -- Urushibara, S. I., Kitayama, Y., Watanabe, T., Okuno, T., Watarai, A., Matsumoto, T. 1992. New Flavonol Glycosides, Major Determinants Inducing the Green Fluorescence in the Guard Cells of Allium cepa. Tetrahedron Lett., 33(9): 1213-1216.
26 DIALLYL-DISULFIDE Essential Oil -- -- Schultz, O. E., Mohrmann, H. L. 1965. Analysis of Constituents of Garlic Allium sativum. II. Gas Chromatography of Garlic Oil. Pharmazie, 20(7): 441-447.
0 CEPAENE-1 Bulb -- -- *
7 FUMARIC-ACID Bulb -- -- *
25 P-COUMARIC-ACID Root -- -- Das, V. S. R., Rao, J. V. S. 1964. Phenolic Acids of Onion Plant. Curr. Sci., 33(15): 471-472.
0 CYANIDIN-3-O-BETA-D-DIGLYCOSIDE Bulb -- -- *
0 ACE-AMP-1 Seed -- -- Tassin, S., et. al. 1998. Solution Structure of Ace-Amp1, a Potent Antimicrobial Protein Extracted from Onion Seeds. Structural Analogies with Plant Nonspecific Lipid Transfer Proteins. Biochemistry, 37(11): 3623-3637.
3 ALLYL-PROPYL-DISULFIDE Bulb -- -- *
0 METHYLPROPYL-TRISULFIDE 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.
7 SUCCINIC-ACID Leaf -- -- 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.
0 1-(PROPYL-DITHIO)-PROPANE 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.
*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.