Experiment (Table 1) Vit D2 (IU/70 g serving)a A 27.7 ± 2.5 B 11.2b      C 10.5 ± 4.9 D 3.4 ± 4.1 F 3.8 ± 0.5 G < 7     H < 7     I < 7     J < 7     K1 < 4     K2 < 4     K3 < 4     K4 11.7 ± 2.9 L 23.0 ± 21.0 M 12.8 ± 8.0 N 8.0 ± 1.3 aMean ± standard deviation bnot applicable (n=1)

Table 2: Vitamin D2 content of untreated sliced white button mushrooms in experiments described in Table 1.