Examination of some fermented foods for the presence of apparent totalN‐nitroso compounds
作者:
R. Massey,
P. E. Key,
期刊:
Food Additives & Contaminants
(Taylor Available online 1989)
卷期:
Volume 6,
issue 4
页码: 453-458
ISSN:0265-203X
年代: 1989
DOI:10.1080/02652038909373804
出版商: Taylor & Francis Group
关键词: apparent total N‐nitroso compounds;fermented foods;bread;cheese;yoghurt
数据来源: Taylor
摘要:
The fermented foods yoghurt, bread and cheese were analysed for the presence of apparent totalN‐nitroso compounds (ATNC) by a group‐selective procedure involving direct chemical denitrosation and chemiluminescence detection of the released nitric oxide. The levels of ATNC were below the 20μg(N‐NO)/kg detection limit in all 20 yoghurts, 23 of the 24 bread samples and 28 out of 31 different varieties of cheese analysed. ATNC were detected in most of those cheese samples manufactured with added nitrate, including Edam, Gouda and Havarti, in concentrations ranging from 30 to 210μg(N‐NO)/kg.
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