## 3 Results
### Changes in Volatile Compounds
\begin{table}
\begin{tabular}{c c c c c} \hline \hline \multirow{2}{*}{**Number**} & \multirow{2}{*}{**Name**} & \multirow{2}{*}{**Retention Time (min)**} & \multicolumn{2}{c}{**Relative Content (\%)**} & \multirow{2}{*}{_p_**-Value**} \\ \cline{5-4}  & & & **Before** & **After** \\ \hline \multicolumn{4}{c}{Aldehyde} & & \\ A1 & 3-methylbutylaldehyde & 2.756 & 0.41 & - & \\ A2 & valeraldehyde & 3.822 & 0.51 & - & \\ A3 & hexanal & 6.125 & 6.16 & 2.38 & * \\ A4 & heptanal & 8.827 & 3.35 & - & \\ A5 & 5-methylhexanal & 8.417 & - & 0.19 & \\ A6 & hexen-2-al & 9.989 & 2.25 & 0.16 & * \\ A7 & octanal & 11.926 & 3.14 & 2.81 & \\ A8 & (2Z)-2-heptenal & 13.105 & 11.23 & 9.23 & * \\ A9 & nonanal & 14.971 & 3.20 & 3.06 & \\ A10 & 2-ocrenal & 16.089 & 9.97 & 14.80 & * \\ A11 & furfurral & 17.106 & 0.91 & - & \\ A12 & decanal & 18.367 & - & 0.67 & \\ A13 & lauric aldehyde & 18.467 & - & 0.34 & \\ A14 & benzaldehyde & 18.658 & 3.95 & 1.26 & * \\ A15 & 2-nonneal & 19.656 & 0.98 & 1.25 & \\ A16 & 2-decenal & 22.399 & 3.26 & 3.15 & \\ A17 & 2,4-nonadienal & 23.775 & 0.12 & 0.27 & \\ A18 & 2-undecanal & 24.929 & 1.25 & 2.41 & * \\ A19 & 2-_trans_, 4-_trans_-decadienal & 24.916 & - & 0.27 & \\ A20 & 5-hydroxymethyl-2-furaldehyde & 38.962 & 0.56 & 0.22 & \\ \multicolumn{4}{c}{Olein} & \\ B1 & 2-methyl-6-methyl-2-methylene & 15.227 & - & 0.91 & \\ B2 & 3-ethyl-2-methyl-1,3-hexadien & 15.659 & 0.08 & 0.25 & \\ B3 & 2,4-dimethyl-1,3-pentadiene & 17.160 & - & 0.58 & \\ B4 & 3,5,5-trimethyl-2-Hexene & 17.558 & 0.10 & - & \\ B5 & 2-methyl-1,5-hexadiene & 20.783 & - & 0.11 & \\ \multicolumn{4}{c}{Ketone} & \\ C1 & 3-hydroxy-4-hexanone & 9.416 & 0.29 & 1.75 & * \\ C2 & 3-octanone & 10.917 & 0.13 & - & \\ C3 & 1-octen-3-one & 12.379 & 5.08 & 7.07 & * \\ C4 & 6-methyl-5-hepten-2-one & 13.457 & 0.47 & 0.89 & * \\ C5 & 2-nonanone & 14.883 & 0.11 & 0.37 & * \\ C6 & 2-octanone & 20.917 & - & 0.35 & \\ C7 & 6-methyl-2-heptanone & 23.618 & 0.33 & - & \\ C8 & 1-E-tenchone & 26.238 & 0.56 & - & \\ C9 & nervylactone & 26.913 & - & 0.59 & \\ C10 & 6,10-dimethyl-5,9-undecadien-2-one & 27.172 & 0.27 & - & \\ C11 & 4,5-dimethyl-2-cyclohexen-1-one & 30.164 & 0.48 & - & \\ C12 & 3,6-dimethyl-5-octen-2-one & 31.557 & - & 0.05 & \\ C13 & 6,10-dimethyl-2-undecanone & 33.092 & 0.40 & 0.46 & \\ \multicolumn{4}{c}{Alcohol} & \\ D1 & 3-octyn-2-ol & 7.558 & 0.12 & - & \\ D2 & 3,5,5-trimethyl-1-hexanol & 7.857 & - & 0.16 & \\ D3 & amyl alcohol & 11.201 & 0.08 & - & \\ D4 & hexyl alcohol & 14.007 & 0.57 & 0.67 & \\ D5 & 3,5-octalien-2-ol & 15.500 & 0.16 & 0.15 & \\ D6 & 1-octen-3-ol & 16.623 & 2.97 & 1.55 & * \\ D7 & hepyl alcohol & 16.775 & - & 0.33 & \\ D8 & 1-octanol & 19.821 & 0.72 & 0.71 & \\ D9 & (E)-2-octen-1-ol & 21.215 & 1.59 & 0.92 & * \\ D10 & menthol & 21.755 & - & 0.38 & \\ D11 & nonyl alcohol & 22.198 & - & 1.21 & \\ D12 & nenrolid & 26.048 & - & 1.30 & \\ D13 & benzyldehyde & 27.112 & - & 0.58 & \\ D14 & farnesol & 28.528 & - & 0.17 & \\ D15 & (2E,6E)-2,6-dimethyl-2,6-octadiene-1,8-diol & 29.730 & - & 0.09 & \\ \hline \hline \end{tabular}
\end{table} 
Table 2: Main volatile compounds in the R–B mixed juice before and after fermentation with _L. plantarum_ TUST-232.