Volatile organic compounds identified in Dutch fresh cheese cups made from polypropylene

This database comprises of two datasets. One dataset of extraction GC-MS analysis and one of headspace GC-MS analysis. In both datasets the same samples are analysed of thermoformed polypropylene cups used to pack 500 grams of fresh cheese in the Netherlands, between July 2024 and March 2025. Samples of these PP cups were taken at the following stages:
Stage A: at the producer, directly after thermoforming,
Stage B: at the producer after filling the cups with fresh cheese and emptying them,
Stage C: retrieved from households, in which the fresh cheese was consumed, the cups were emptied and rinsed with cold water,
Stage D: retrieved from the conveyor belt of a Dutch sorting facility of lightweight packaging waste carrying sorted PP rigids,
Stage E: the material from stage D washed with cold alkaline water,
Stage F: the material from stage D washed with hot alkaline water.
Additionally, also the concomitant shrink sleeves and PP lids have been analysed.
The datasets list the volatiles that could be identified with GC-MS analysis and their approximated concentration.

本数据库包含两类数据集，分别为萃取气相色谱-质谱（GC-MS）分析数据集与顶空气相色谱-质谱（GC-MS）分析数据集。两类数据集均针对同一批样品开展分析，该批样品为2024年7月至2025年3月荷兰地区用于包装500克鲜奶酪的热成型聚丙烯（Polypropylene, PP）杯。

该类聚丙烯杯样品的采样阶段如下：
A阶段：生产商处，热成型工序完成后直接采样；
B阶段：生产商处，向杯中装填鲜奶酪并倒空后采样；
C阶段：从家庭中回收的样品，此时其中的鲜奶酪已被食用，杯子被倒空并以冷水冲洗；
D阶段：从荷兰轻型包装废弃物分拣设施的传送带上采集的样品，该设施正输送经分拣后的硬质聚丙烯物料；
E阶段：对D阶段采集的物料采用冷碱性水溶液清洗后得到的样品；
F阶段：对D阶段采集的物料采用热碱性水溶液清洗后得到的样品。

此外，研究团队同时对配套的收缩套与聚丙烯（PP）盖开展了分析。

两类数据集列出了经气相色谱-质谱分析可鉴定出的挥发性成分及其近似浓度。