Contrasting regulation of live Bacillus cereus No.1 and its volatiles on Shiraia perylenequinone production

Table 1 The analysis of VOCs from strain No.1 by headspace solid phase microextraction-gas chromatography-mass spectrometry (HS–SPME–GC–MS)

Compound ^a	Identity (%)^b	Peak area (%)^c	RT^d	MW^e	MF^f
Methylene chloride 2-Butanone Dimethyl silanediol Dimethyl disulfide S-methyl ester butanethioic acid Styrene 2,5-Dimethyl-pyrazine Phenylacetaldehyde (Bromomethyl)-silane (e)-2-Nonen-1-ol Phenylethyl alcohol Hexadecane Tetracosane	94 72 83 96 78 91 83 97 83 78 74 72 90	7.82 11.59 1.49 11.90 3.04 1.21 3.11 24.96 1.51 1.00 1.55 1.72 3.66	1.665 1.99 2.855 4.032 7.766 7.875 8.441 12.328 13.67 14.58 14.841 28.099 30.962	84.93 72.11 92.17 94.2 118.2 104.15 108.14 106.12 120.15 136.19 122.16 226.44 338.65	CH₂Cl₂ C₄H₈O C₂H₈O₂Si C₂H₆S₂ C₅H₁₀OS C₈H₈ C₆H₈N₂ C₇H₆O C₈H₈O C₈H₁₂N₂ C₈H₁₀O C₁₆H₃₄ C₂₄H₅₀

^aThe tested compounds with a relative area of more than 1.0% and more than 70% identity are listed
^bSpectra similarity of analyte compounds with those available in the spectral library (NIST)
^cRelative area of detected compounds as a percentage in reference to the total spectra peaks
^dRetention time (RT) of the compounds in the GC–MS analysis
^eMolecular weight (MW) of detected compounds
^fMolecular formula (MF) of identified compounds

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