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. 2022 Jan 21;53(1):143–152. doi: 10.1007/s42770-021-00668-z

Fig. 3.

Fig. 3

Submerged fermentation in bottle bioreactor. On the left, the bottle bioreactor with parts. On the right, shows red pigment produced by Beauveria bassiana PQ2 on the fourth day of fermentation. In addition, abundant white mycelium is observed on the walls of the bottle