Fig. 9

Visual observation of the prepared chitosan microspheres before (A) and after (B) pigment immobilization. a and b are scanning electron micrographs (SEM images) of the chitosan microspheres before pigment immobilization under low and high magnification power, respectively. While, c and d are SEM images of chitosan microspheres immobilized by the extracted Fusarium pigment under low and high magnification power, respectively