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. 2014 Apr 15;9(4):e95359. doi: 10.1371/journal.pone.0095359

Figure 2. Response surface and contour plots for vitamin D2 production in oyster mushroom.

Figure 2

A: Effects of ambient temperature and exposure time on vitamin D2 synthesis in oyster mushrooms at a constant UVB irradition intensity of 0.90 W/m2; B: Effects of ambient temperature and UVB irradition intensity on vitamin D2 synthesis in oyster mushrooms at a constant time period of 80 min; C: Effects of UVB irradition time and intensity on vitamin D2 synthesis in oyster mushrooms at a constant ambient temperature of 35°C.