Target Analysis of Polychlorinated Naphthalenes and Nontarget Screening of Organic Chemicals in Bovine Milk, Infant Formula, and Adult Milk Powder by High-Resolution Mass Spectrometry
文献类型： 外文期刊
作者： Qi, Ziyuan 1 ; Zhang, Zherui 1 ; Jin, Rong 2 ; Zhang, Lei 4 ; Zheng, Minghui 1 ; Li, Jingguang 4 ; Wu, Yongning 4 ; Li, Cheng 5 ; Lin, Bingcheng 2 ; Liu, Yahui 2 ; Liu, Guorui 1 ;
作者机构： 1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Chem & Ecotoxicol, Beijing 100085, Peoples R China
2.UCAS, Hangzhou Inst Adv Study, Sch Environm, Hangzhou 310024, Peoples R China
3.Univ Chinese Acad Sci, Coll Resource & Environm, Beijing 100049, Peoples R China
4.China Natl Ctr Food Safety Risk Assessment, Beijing 100021, Peoples R China
5.Beijing Acad Agr & Forestry Sci, Inst Qual Stand & Testing Technol, Beijing 100097, Peoples R China
关键词： polychlorinated naphthalene; risk assessment; possible source; high-resolutionmass spectrometry; organic pollutants
期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：5.7； 五年影响因子：6.0 ）
ISSN： 0021-8561
年卷期： 2023 年 72 卷 1 期
页码：
收录情况： SCI
摘要： Infant formula is intended as an effective substitute for breast milk but is the main source of polychlorinated naphthalenes (PCNs) to nonbreastfed infants. We performed target and nontarget analyses to determine PCNs and identify other organic contaminants in infant formula. The mean PCN concentrations in infant formula, milk powder, and bovine milk were 106.1, 88.8, and 78.2 mu g kg(-1) of dry weight, respectively. The PCN congener profiles indicated that thermal processes and raw materials were probably the main sources of PCNs in infant formula. A health risk assessment indicated that PCNs in infant formula do not pose health risks to infants. Using gas chromatography-Orbitrap mass spectrometry, 352, 372, and 161 organic chemicals were identified in the infant formula, milk powder, and bovine milk samples, respectively. Phthalate esters were detected in all four plastic-packed milk powder samples. The results indicated milk becomes more contaminated with organic chemicals during manufacturing, processing, and packaging.
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