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. 2022 Apr 13;14(8):1582. doi: 10.3390/polym14081582

Figure 4.

Figure 4

Fourier transform infrared (FTIR) spectra of commercially available BG (a), BG obtained from S. cerevisiae Kyokai NO. 9 by alkaline (b) and enzymatic (c) recovery, BG obtained from K. marxianus TISTR 5925 by alkaline (d) and enzymatic (e) recovery.