Investigations on formation and occurrence of volatile nitrosamines in Danish cheese. 1980

E Pedersen, and J Thomsen, and H Werner

The formation and occurrence of volatile nitrosamines in Danish cheese has been studied. The investigations showed that nitrosamines are evenly distributed within a given cheese and between cheeses from the same lot. No influence of production factors, such as nitrate addition, composition and type of cheese, storage or packaging conditions, could be demonstrated. Seventy-six percent of 156 samples of commercially produced Danish cheeses contained no nitrosamines ((detection limit 0.1 micrograms/kg). Trace amounts (0.1-0.3 micrograms/kg) of nitrosamines were found in 22% of the samples and 2% contained 0.6-0.7 micrograms/kg. Forty-two percent of 19 cheeses imported to Denmark contained no nitrosamines. Trace amounts of nitrosamines were found in 37% of the samples and 21% contained 0.4-3.6 micrograms/kg. Cheese samples from retail shops had slightly higher contents of nitrosamines than samples taken at dairy plants.

UI MeSH Term Description Entries
D008892 Milk The off-white liquid secreted by the mammary glands of humans and other mammals. It contains proteins, sugar, lipids, vitamins, and minerals. Cow Milk,Cow's Milk,Milk, Cow,Milk, Cow's
D009602 Nitrosamines A class of compounds that contain a -NH2 and a -NO radical. Many members of this group have carcinogenic and mutagenic properties. Nitrosamine
D002611 Cheese A nutritious food consisting primarily of the curd or the semisolid substance formed when milk coagulates. Cheeses
D002849 Chromatography, Gas Fractionation of a vaporized sample as a consequence of partition between a mobile gaseous phase and a stationary phase held in a column. Two types are gas-solid chromatography, where the fixed phase is a solid, and gas-liquid, in which the stationary phase is a nonvolatile liquid supported on an inert solid matrix. Chromatography, Gas-Liquid,Gas Chromatography,Chromatographies, Gas,Chromatographies, Gas-Liquid,Chromatography, Gas Liquid,Gas Chromatographies,Gas-Liquid Chromatographies,Gas-Liquid Chromatography
D003718 Denmark A country in northern Europe, bordering the Baltic Sea and the North Sea. The capital is Copenhagen. Faeroe Islands,Faroe Islands
D005511 Food Handling Any aspect of the operations in the preparation, processing, transport, storage, packaging, wrapping, exposure for sale, service, or delivery of food. Food Processing,Handling, Food,Processing, Food
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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