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. 2020 Mar 4;9(3):282. doi: 10.3390/foods9030282

Figure 2.

Figure 2

Figure 2

Figure 2

Figure 2

Representative MALDI-TOF mass spectra of B. subtilis: (A) 3 day; (B) 5 day; (C) 7 day; (D) 9 day; (E) 12 day; (F) 14 day.