Zobrazeno 1 - 10
of 751
pro vyhledávání: '"R. PREUSSMANN"'
Publikováno v:
Food and Chemical Toxicology. 34:147-151
Popular vegetables, condiments and some Nigerian staple foods were evaluated for their relative methylating potential due to nitrosamide formation following nitrosation under standardized conditions. Methylating activity of nitrosated foodstuffs, exp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc4c76df032f6044947280aa01f79a58
https://doi.org/10.1016/0278-6915(95)00103-4
https://doi.org/10.1016/0278-6915(95)00103-4
Publikováno v:
Cancer Letters. 97:1-6
Ten popular brands of cigarettes on the Nigerian market were analyzed for tobacco-specific nitrosamines (TSNA) in tobacco and in mainstream smoke, as well as nitrate in tobacco. TSNA was analyzed using a gas chromatography/thermal energy analyzer (GC
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::680de639090e3bdbe7a1119da7d1e32f
https://doi.org/10.1016/0304-3835(95)03941-o
https://doi.org/10.1016/0304-3835(95)03941-o
Publikováno v:
Cancer Letters. 83:277-282
The in vitro nitrosation of sun-dried red chillies (Capsicum annuum) and of its constituents capsaicin and dihydrocapsaicin was studied. The nitrophenols 4-nitroguaiacol, 4,6-dinitroguaiacol, nitrocapsaicin and nitrodihydrocapsaicin were detected as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a764faf9ad9a0c593ff13c126616e1eb
https://doi.org/10.1016/0304-3835(94)90330-1
https://doi.org/10.1016/0304-3835(94)90330-1
Publikováno v:
Carcinogenesis. 15:733-737
Pyrrolidinone was identified in food and tobacco samples by gas chromatography combined with NO-specific chemiluminescence detection (TEA). Up to 77 mg/kg pyrrolidinone were detected in cocoa powders, coffee, coffee surrogates, dried vegetables and t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::004c84baaabbf604e18e9ef00cdb5690
https://doi.org/10.1093/carcin/15.4.733
https://doi.org/10.1093/carcin/15.4.733
Publikováno v:
Cancer Letters. 59:165-169
The metabolism of N-mononitrosopiperazine (NPz) and N,N′-dinitrosopiperazine (DNPz) was investigated in Sprague — Dawley rats. When an oral dose of 50 μg/rat NPz was administered, 10.5 % of the dose was recovered unchanged in urine together with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34cdf9fc0002dc69ed7a56e2a03e4904
https://doi.org/10.1016/0304-3835(91)90182-h
https://doi.org/10.1016/0304-3835(91)90182-h
Publikováno v:
Food and Chemical Toxicology. 29:733-739
264 samples of foods and beverages from the German market in 1989–1990 were analysed for primary and secondary amines. Amines were determined as benzenesulphonyl chloride derivatives by gas chromatography with chemiluminescence detection. The mean
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ffa58aa98b85d9edbcab9db97c34dbf
https://doi.org/10.1016/0278-6915(91)90181-6
https://doi.org/10.1016/0278-6915(91)90181-6
Publikováno v:
Food and Chemical Toxicology. 29:167-172
An analytical procedure previously developed for the trace determination of nitrosamides was applied to a screening of nitrosated foodstuffs for nitrosoureas. Different types of foodstuffs were nitrosated both under chemical conditions using a high n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5877ccc1c22ea6a57f370ffdc6276f1f
https://doi.org/10.1016/0278-6915(91)90034-5
https://doi.org/10.1016/0278-6915(91)90034-5
Publikováno v:
Food and Chemical Toxicology. 29:729-732
The levels of volatile N-nitrosamines were determined in 38 alcoholic drinks and 215 food samples prepared for human consumption using standard culinary practices. The analyses used gas chromatography-thermal energy analysis. Detectable levels were f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d344ec3b6807ac3ee2d68e2a8b3938b2
https://doi.org/10.1016/0278-6915(91)90180-f
https://doi.org/10.1016/0278-6915(91)90180-f
Publikováno v:
Carcinogenesis. 12:257-261
The tobacco and mainstream smoke of 20 commercial brands of filter and non-filter cigarettes were analysed for N-nitroso compounds. The concentrations of N-nitrosodimethylamine (NDMA), N-nitrosoethylmethylamine (NEMA) and N-nitrosopyrrolidine (NPYR)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b501f44528e1df9e4b60953b5a32da1c
https://doi.org/10.1093/carcin/12.2.257
https://doi.org/10.1093/carcin/12.2.257