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. 2016 Sep 1;6(2):187. doi: 10.1007/s13205-016-0508-5

Fig. 7.

Fig. 7

LC-MS/MS based fragmentation analysis surfactin (m/z 1008.66 and 1022.68) of extract of isolate BmB 4. a Mass spectra of m/z 1008.66 showing specific fragments m/z 990, 877, 685, 554 and 441. b Mass spectra of m/z 1022.68 showing specific fragments m/z 1004, 909, 685, 554 and 441