Fig. 2From: Hazardous chemicals in non-polar extracts from paper and cardboard food packaging: an effect-based evaluationER antagonistic response (% max effect of raloxifene) in VM7Luc4E2 cells after 24 h of exposure to FCA extracts (A, B). The number of technical repeats (n) was 8–12 for the vehicle controls and 4 for the samples (mean ± SD). Samples with an activity below the cut-off limit were defined as bioactiveBack to article page