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Activities: 780
All Chemicals: 452
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# Activity Chemical Low PPM High PPM StdDev *Reference
8 PHLOROGLUCINOL Bulb -- 100.0 *
0 PHLOROGLUCINOL-CARBOXYLIC-ACID Bulb -- 100.0 Hermann, K. 1958. Flavonols and Phenols of the Onion (Allium cepa). Arch. Pharm. (Weinheim), 291: 238-247.
4 PHOSPHORUS Leaf 310.0 5513.0 0.1 *
4 PHOSPHORUS Bulb 275.0 4038.0 -1.0 *
0 PHYTOHORMONE Bulb -- -- *
2 PHYTOSTEROLS Bulb 150.0 1455.0 1.0 *
0 POLYSACCHARIDES Bulb 100000.0 400000.0 *
14 POTASSIUM Bulb 1514.0 22164.0 1.0 *
0 PROLINE Bulb 370.0 4033.0 -1.0 USDA's Ag Handbook 8 and sequelae)
0 PROP-CIS-ENYL-PROPYL-DISULFIDE 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.
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.
0 PROP-TRANS-ENYL-PROPYL-DISULFIDE 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.
0 PROP-TRANS-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.
0 PROPAN-1-OL Bulb -- -- *
0 PROPANAL Bulb -- -- Wealth of India.
0 PROPANE-1-THIOL Bulb -- -- Wilkens, W. F. 1962. The Isolation and Identification of the Lachrymogenic Compound of Onion. Diss. Abstr. Int. B, 22: 3978.
0 PROPIONAL Bulb -- -- Wilkens, W. F. 1962. The Isolation and Identification of the Lachrymogenic Compound of Onion. Diss. Abstr. Int. B, 22: 3978.
2 PROPIONALDEHYDE Leaf -- -- Burtsev, A. F., Pashchenko, T. W., Rik, G. R. 1974. Mass-Spectrometric Analysis of Volatile Phytonocide Substances of Cucumber and Common Onion Leaves. Fiziol Biokhim Kul't Rast, 6: 516-.
2 PROPIONALDEHYDE Bulb -- -- Wilkens, W. F. 1964. Isolation and Identification of the Lachrymogenic Compound of Onion. Cornell Univ., Agr. Expt. Sta. Mem. No., 385: 31 pp.
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.
*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.