Fig. 1From: Genomic analysis of type strain Paenibacillus aceti L14T, a highly efficient producer of pyrazinesGas chromatography–mass spectrometry (GC-MS) chromatograms of fermentation culture (a) of Paenibacillus aceti L14 and control culture (b) for volatile compounds obtained by headspace solid-phase microextraction (HS-SPME). 2-Octanol was used as the internal standardBack to article page