Fig. 1From: Hazardous chemicals in non-polar extracts from paper and cardboard food packaging: an effect-based evaluationNrf2 activity (fold change compared to the vehicle control) in MCF7 AREc32 cells after 24 h exposure to FCA extracts (A, B). The number of technical repeats (n) was 8 for the vehicle controls and 4 for the samples (mean ± SD)Back to article page