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. 2023 Mar 2;15(3):820. doi: 10.3390/pharmaceutics15030820

Figure 4.

Figure 4

Stability profiles of the associated insulin after incubation of simulated gastric fluid containing pepsin (pH 1.2) (A) and simulated intestinal fluid containing trypsin (pH 7.4) (B) at 37 °C for various time points (X ± SD, n = 3, * p < 0.05, ** p < 0.01, *** p < 0.001).