# Dependence of the Staphylococcal Volatilome Composition on Microbial Nutrition
## Results and Discussion
### Chemical Composition of the S. aureus and S. epidermidis Volatilomes
\begin{table}
\begin{tabular}{c c c c c c c c c} \hline \hline \multicolumn{6}{c}{**Log\({}_{\text{Stab}}\) Peak Relative Abundances**} \\ \hline \multicolumn{6}{c}{S. aureus} & \multicolumn{6}{c}{_S. epidermidis_} & **Compound Name** & **CAS \#** & **References** \\ \hline
**BH** & **LB** & **MBH** & **TSB** & **BH** & **LB** & **MBH** & **TSB** \\ \hline \multicolumn{6}{c}{**KETONES**} \\ \hline
1.1 & 0.7 & 0.9 & 1.1 & & & _3-methyl/but/n-2-one_ & 563-80-4 & [36,0,63-65] \\
0.6 & & & & & _4-dimethyl/but/n-2-one_ & 19549-80-5 & [36] \\
1.7 & 2.7 & 1.6 & 1.6 & 1.7 & 3.0 & & 4-methyl/heptan-2-one & 637-06-0 & [36,38,39] \\
0.9 & & 0.8 & 0.8 & 0.6 & & 4-methyl/penta-2-one & 108-10-1 & [38,46,65] \\
0.4 & & & & & & _6-methyl/heptan-2-one_ & 10-93-0 & [38,48,71] \\
2.0 & 1.9 & & & 0.9 & 1.1 & & _6-methyl/heptan-2-one_ & 928-68-7 & [36,38] \\  & & & & & & & _8-bit/n-2-one_ & 78-94-4 & [46,65,74] \\
0.4 & & & & & & & _9_tan-2-one_ & 78-93-3 & [35,36,38,42,46,35,56, \\
0.5 & & & 1.6 & & 0.5 & & & _6_-66,09,72,75] \\
0.4 & & & & & & & _9_tan-2-3-dione_ & 431-03-8 & [36,46,46,35,56,62, \\  & & & & 0.4 & & & & \(6\)4,74-76] \\
2.3 & 2.9 & & & 1.0 & 1.6 & & \(4\) _can-2-one_ & 693-54-9_ & [38,65] \\  & & & & 1.2 & & 0.7 & & _dodeca-2-one_ & 6175-49-1 & [65] \\  & & & & 1.9 & 1.1 & 1.3 & 0.7 & & heptune-2-3-dione & 96-04-8 & [38,64,48] \\
1.6 & 1.4 & 0.7 & 1.6 & 0.6 & 1.0 & & & & _10_ & 5,55,60,61,44,65,62,73] \\
2.9 & 2.8 & 2.1 & 2.7 & 1.6 & 1.6 & 0.8 & 0.5 & & \(0\) & 5,0,55,60,61,44,65,62,73] \\  & & & & 3.6 & 0.9 & 1.3 & 1.3 & 3.1 & octan-3-one & 106-68-3 & [38,46,48,65] \\
0.7 & & & & 0.6 & & & & & _9_tan-2-one_ & 107-87-9 & [38,39,42,45,-82, \\  & & & & & & & & _9_tan-2-one_ & 67-64-1 & [35,38,48,55,-7,60,65, \\  & & & & & & & & _66_ & 7_,74] \\
2.7 & 3.6 & 2.8 & & & & 0.5 & & tetradecan-2-one_ & 2345-27-9 & [38] \\
2.4 & 4.5 & 2.0 & 2.1 & & & & & _trifacam-2-one_ & 593-08-8 & [38,61] \\  & & 2.8 & 4.8 & 4.2 & & & & & _undecan-2-one_ & 112-12-9 & [38,39,42,45,61,64,65] \\ \hline \multicolumn{6}{c}{**AROMATIC KETONES**} \\ \hline  & & & & & & & & & _1-phenyl/propan-2-one_ & 103-79-7 & [36,38,73] \\ \hline  & & & & & & & & & _1-phenyl/propan-2-one_ & 103-79-7 & [36,38,73] \\ \hline  & & & & & & & & & & & \\ \multicolumn{6}{c}{**NITROGEENS**} \\ \hline  & & & & & & & & & & & & \\ \multicolumn{6}{c}{**AROMATIC NITROGEENS**} \\ \hline  & & & & & & & & & & & & \\ \multicolumn{6}{c}{Decomaritile} & & & & & & & & \\ \multicolumn{6}{c}{**HETROAORTMICS**} \\ \hline
0.7 & 1.0 & 2.5 & 0.5 & 1.2 & & 0.8 & _2,3,5-trimel/hyrazine_ & 14667-55-1 & [41,44,62,68] \\
0.4 & & & & & & & _2,3-dimethyl/hyprazine_ & 5910-89-4 & [41,73] \\
1.4 & 2.0 & 2.3 & 0.5 & 1.0 & 1.0 & 1.1 & 2.5-trimel/hyrazine & 123-32-0 & [43,44,53,62,71] \\  & & & 3.3 & & & & 2.8 _2-ethyl/6-methyl/propazine_ & 1392-03-6 & [66] \\  & 1.5 & 1.2 & & 1.2 & 0.7 & 1.3 & _2-methyl/5-pyrpyrrazine_ & 29461-03-8 & [36,41,44,62,64,68] \\
0.5 & 0.7 & 0.9 & 1.5 & 0.3 & 0.4 & 0.7 & _2-methyl/5-pyrpyrrazine_ & 1496-00-8 & [36,41,44,62,64,68] \\  & 0.3 & & 4.3 & & & & 3.0 & _3-ethyl/2-3-methyl/but/pyrazine_ & 111150-30-2 & [73] \\
0.5 & 1.7 & 3.2 & & & & & & _3-ethyl/2-5-methyl/pyrazine_ & 40790-29-2 & [43,1,360-65-1 \\  & & 2.7 & 3.8 & & 4.1 & & & 3-ethyl/1-2,5-dimethyl/pyrazine & 13360-65-1 \\ \hline  & & & & & & & & & **SULVERS** \\ \hline
0.4 & 0.7 & & 0.8 & 1.0 & 1.1 & & & 2-methyl/undecan-2-thiol & 10059-13-9 & [38,71] \\  & & & 0.3 & & & & _isothiocyan/aqurosole/hexane_ & 1122-82-3 & \\  & & & & 0.4 & 0.4 & & & (methyl/disulanyl/methane & 624-92-0 & [35,36,38,41,46-48,55, \\  & & & & & & & & 56,58,61,62,65-68,74] \\
0.5 & 0.4 & & 0.5 & 0.6 & 0.4 & & (methyl/trisulanyl/methane & 3658-80-8 & [35,36,46,48,55,61,65-65] \\  & & & & & & & & & & 68] \\ \hline \hline \end{tabular}
\end{table} 
Table 1: Cont. 8%), alcohols (ALC, n = 12, 8%), and acids and esters (A/E, n = 11, 8%) (Figure 1a,b). The composite volatilomes of _S. aureus_ and _S. epidermidis_ across all four media were quite similar to each other, but the proportions of more oxidized compounds to hydrocarbons was higher in _S.