Occurrence and formation

Various NOC can be found in food processing operations. The most commonly known contributors to dietary volatile and non-volatile N-nitrosamines are nitrite cured meats, particularly fried bacon and beer. Several reviews cover the occurrence and formation of... 

This chapter will provide an overview of regulated and emerging, unregulated DBFs, including discussion of their occurrence and formation from different disinfectants and their toxicity. Discussions will include classical DBFs formed by reactions of disinfectants with NOM and contaminant DBFs formed by reaction of disinfectants with anthropogenic contaminants. Analytical methods used in the discovery of new DBFs and for the measurement of known DBFs will also be discussed, as well as new research investigating other routes of exposure beyond ingestion. 

Schwertmann, U. (1988b) Occurrence and formation of iron in various pedoenvironments. In Stucki, J.W. Goodman, B.A. Schwertmann, U. (eds.) Iron in soils and clay minerals. Reidel Publ. Co., Dordrecht, Holland, NATO ASI Ser. 217 267-302 Schwertmann, U. (1991) Solubility and dissolution of iron oxides. Plant Soil 130 1-25 Schwertmann, U. (1993) Relations between iron... 

Fiddler, W., et al. Some Current Observations on the Occurrence and Formation of N-nitrosamines, Proc, 18th Meeting Meat Res. Workers, Guelph, Ontario, Canada, 1972. 

Haselmann KF, Ketola RA, Latumus F, Lauritsen FR, Gr0n C (2000) Occurrence and Formation of Chloroform at Danish Forest Sites. Atmos Environ 34 187... 

Baker P.A. and Burns S.J. (1985) Occurrence and formation of dolomite in organic-rich continental margin sediments. AAPG 69, 1917-1930. 

Occurrence and formation of TBC 30, the condensation product of serotonin with acetaldehyde, has received special attention by the Swedish group of Beck and colleagues. They found TBC 30 to be present in human urine and in animal tissues, in which it is often excreted in conjugated form (59). Analysis of tissue extracts using GC-MS techniques and chiral columns showed the compound to be present in rat brain and to be excreted in the urine of different animal species in unequal proportions of the enantiomers (60,61). Unequal proportions of deuterated TBC 30 enantiomers were found when rats were fed trideuterated ethanol (30). TBC 30 occurs in the urine of controls and alcoholics in comparable amounts and is excreted mostly in conjugated form (62). The methyl ether TBC 31 is a... 

Tisset, B., and Welte, D. H. (1978). Petroleum Occurrence and Formation . Springer, New York. 

Aquino Neto E. R., Trendel J. M., Restle A., Connan J., and Albrecht P. A. (1983) Occurrence and formation of tricyclic and tetracyclic terpanes in sediments and petroleums. In Advances in Organic Geochemistry 1981 (ed. M. Bjorpy). Wiley, New York, pp. 659-667. 

Schieberle, P. (1990) Occurrence and formation of roast-smeUing odorants in wheat bread crust and popcorn. In Bressiere, Y., Thomas, A.F. (eds.) Flavour Science and Technology. John Wiley, Chichester, pp. 105-108... 

Schwertmann, U. (1988). Occurrence and formation of iron oxides in various pedoenvironments. In "Iron in Soils and Clay Minerals" (J. W. Stucki, B. A. Goodman, and U. Schwertmann, eds.), pp. 267-308. Reidel, Dordrecht, The Netherlands. 

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