Table 2
Vitamin D2 content in mushrooms irradiated with UVB after drying process.
Time of UVB irradiation (min) Vitamin D2 content ± SD (lg/g dw)
Agaricus bisporus Pleurotus ostreatus Lentinula edodes
Hot-air dried Freeze dried Hot-air dried Freeze dried Hot-air dried Freeze dried
5 21.51 ± 1.13aA* 42.08 ± 0.9aB 5.46 ± 0.4aA 23.76 ± 1.15aB 7.75 ± 1.06aA 11.2 ± 1.96aA
10 34.77 ± 0.48bA 79.91 ± 2.51bB 23.51 ± 1.85bA 40.7 ± 1.01bB 20 ± 1.24bA 18.97 ± 1.39bA
15 53.26 ± 1.14cA 91.07 ± 2.17cB 28.06 ± 1.46cA 59.04 ± 1.54eB 26.71 ± 1.14cA 27.52 ± 1.34cA
20 71.16 ± 0.59dA 100.09 ± 2.22dB 40 ± 1.49eA 45.65 ± 1.44dB 31.34 ± 1.81dA 41.16 ± 1.46dB
30 81.17 ± 1.94eA 119.21 ± 1.38eB 31.85 ± 1.86dA 34.63 ± 0.91cA 41.64 ± 1.21eA 59.89 ± 1.36eB
* Different small letters indicate significant difference in a column (p = 0.05); different capital letters indicate significant difference between hot-air- and freeze-dried
mushrooms (p = 0.05).