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. 2013 Sep 6;8(9):e73618. doi: 10.1371/journal.pone.0073618

Figure 6. The identity of the C-terminal fatty acid determined using GC-MS.

Figure 6

Chromatographic behavior of the hexanoic acid standard and the hydrolysed aeruginosin NOL3. Commercial hexanoic acid and hydrolysis product from NOL3 had identical retention times, 4.089 and 4.090 min, respectively, and identical mass spectra which unambiguously prove the first moiety of the NOL3 aeruginosin. (A) hydrolysed aeruginosin NOL3 (B) hexanoic acid standard.