This work describes the screening of twenty three per- and polyfluoroalkyl substances (PFASs) in twenty five paper and board (P/B) packaging materials and their migration to several food simulants (50% ethanol, 95% ethanol and Tenax®) at different conditions of time and temperature. A different migration pattern depending on the carbon chain length was observed; while short carbon chain PFASs tend to migrate more to 50% ethanol than to 95% ethanol, long chain PFASs showed the opposite trend. On the other hand, very low migration percentages of all PFASs to Tenax® were found. Finally, migration of 9 PFASs into real foods (cereals, rice and infant milk powder) for 6 months was quantified and compared with the results obtained with the simulants. As a result, significant underestimations of the PFASs migration to foodstuffs were obtained using Tenax®, especially for short carbon chain PFASs and milk powder.

中文翻译：

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纸和纸板包装材料中存在全氟和多氟化合物，并迁移到食品模拟物和食品中。

这项工作描述了在25种纸和纸板（P / B）包装材料中对23种全氟烷基物质和多氟烷基物质（PFAS）的筛选，以及它们在不同条件下向几种食品模拟物（50％乙醇，95％乙醇和Tenax®）的迁移。时间和温度条件。观察到了不同的迁移模式，具体取决于碳链长度。尽管短碳链PFAS迁移至50％乙醇的趋势要大于向95％乙醇的迁移，但长链PFAS却显示出相反的趋势。另一方面，发现所有PFAS向Tenax®的迁移百分比都非常低。最后，量化了9种PFAS在6个月内向真实食品（谷物，大米和婴儿奶粉）中的迁移并将其与模拟物获得的结果进行了比较。结果，使用Tenax®大大低估了PFAS向食品的迁移，