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. 2012 Mar 6;17(3):2714–2724. doi: 10.3390/molecules17032714

Figure 2.

Figure 2

(A) Darkly pigmented pellets as they appear in the culture broth and (B) heavily melanized pellet formed by submerged fermentation of P. ostreatus in a batch stirred tank bioreactor as seen through an optical microscope (magnitude 40×).