Abstract
In view of the complex and cumbersome problems in the detection of nitrosamines in the past, this article optimizes the detection method of nitrosamines in livestock food and establishes a more complete detection method of nitrosamines. In this method, the solid alkali heat treatment method is used instead of the national standard method to pre-treat the sample. Then, activated carbon column solid phase extraction method is used for detection, and higher precision and recovery rate are obtained, which proved that the detection method can be popularized and applied in similar detection work.
Highlights
In the processing of livestock food, a certain amount of nitrite is usually added
In addition to taking measures to reduce the content of nitrosamines, accurate detection of the content of nitrosamines in livestock foods plays an important role in controlling the quality of livestock foods
In order to avoid the interference caused by the qualitative analysis and quantitative analysis in the multiple reaction monitoring mode, otherwise it will cause the secondary ions in the nitrosamine compound to be interfered by the co-elution and cause signal abnormalities
Summary
In the processing of livestock food, a certain amount of nitrite is usually added. It can inhibit bacteria and maintain the color and flavor, it will react with the biogenic amines contained in the livestock food to form nitramine. Nitrosamines are heterocyclic carcinogens with strong toxicity. In addition to taking measures to reduce the content of nitrosamines, accurate detection of the content of nitrosamines in livestock foods plays an important role in controlling the quality of livestock foods. This article does further research on the detection method of nitrosamines
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