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. 2021 Jul 14;9:697310. doi: 10.3389/fbioe.2021.697310

FIGURE 9.

FIGURE 9

FTIR analysis of enzymatic coupling of FP to LS. FTIR spectrum in the range of 1,400–1,100 cm– 1, where the band of the –CF3 group is located. The control sample (blue), 1% (w/v) FP sample (green) and 2% (w/v) FP sample (orange) are shown.