Authenticity identification of animal species in characteristic milk by integration of shotgun proteomics and scheduled multiple reaction monitoring (MRM) based on tandem mass spectrometry
文献类型： 外文期刊
作者： Zhang, Jiukai 1 ; Wei, Liyang 1 ; Miao, Jinliang 1 ; Yu, Yue 1 ; Yu, Ning 1 ; Hu, Qian 1 ; Chen, He 3 ; Chen, Ying 1 ;
作者机构： 1.Chinese Acad Inspect & Quarantine, Beijing 100176, Peoples R China
2.Jilin Agr Univ, Sch Food Sci & Engn, Changchun 130118, Peoples R China
3.Xinjiang Acad Agr Sci, Inst Qual Stand & Testing Technol Agroprod, Urumqi 830091, Peoples R China
关键词： Characteristic milk; Authentication; Shotgun proteomics; Specific peptide; Multiple reaction monitoring
期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）
ISSN： 0308-8146
年卷期： 2024 年 436 卷
页码：
收录情况： SCI
摘要： Milk is one of the oldest natural dairies with high value, which has different species including cow, camel, donkey, goat, sheep, buffalo, yak and et al. However, economically motivated adulteration of non-cow milk with cheaper cow milk occurs frequently. To develop a high-throughput approach for milk species authentication, integration of shotgun proteomics and scheduled multiple reaction monitoring (MRM) was developed. In total, 37 specific peptides were screened as unique to different species. Specific peptides processing stability was investigated under different treatment (heat, pressure, fermentation). Subsequently, four quantitative ion pairs of peptides from cow milk and six quantitative ion pairs of peptides from six non-cow milks were selected for the adulteration quantitative analysis. The method is capable of detection adulteration in the range of 1%-100%, and the quantitative recoveries ranged from 91.07% to 111.75%. The results suggested that combination of shotgun proteomics and MRM had potential for the milk species authentication.
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