## 3 Results and Discussion
### Volatile Compounds
\begin{table}
\begin{tabular}{l c c c c c c c c c c c c c c} \hline \hline
**Volatile Compound** & **Rt** & **LRI** & \multicolumn{4}{c}{**C**} & \multicolumn{4}{c}{**C vs. A**} & \multicolumn{4}{c}{**AW**} & \multicolumn{4}{c}{**C vs. AW**} & \multicolumn{4}{c}{**A vs. W**} \\ \cline{3-13} \multicolumn{1}{c}{_Alcohals_} & \multicolumn{1}{c}{**0 Months**} & \multicolumn{1}{c}{**8 Months**} & \multicolumn{1}{c}{**0 Months**} & \multicolumn{1}{c}{**8 Months**} & \multicolumn{1}{c}{**0 m**} & \multicolumn{1}{c}{**8 m**} & \multicolumn{1}{c}{**0 Months**} & \multicolumn{1}{c}{**8 Months**} & \multicolumn{1}{c}{**0 m**} & \multicolumn{1}{c}{**8 m**} & \multicolumn{1}{c}{**0 m**} & \multicolumn{1}{c}{**8 m**} \\ \hline Ethanol & 1.663 & 549.7 & 9.97 \(\pm\) 170 & 4.82 \(\pm\) 0.13\({}^{\circ}\) & 4.83 \(\pm\) 0.55 & 4.57 \(\pm\) 0.06 & \({}^{\circ}\) & 9.22 \(\pm\) 0.83 & 4.55 \(\pm\) 0.08 & \({}^{\circ}\) & - & - & - \\
1-Butanol, 3-methyl & 4.332 & 726.1 & 2.80 \(\pm\) 0.55 & 4.69 \(\pm\) 0.15\({}^{\circ}\) & 3.32 \(\pm\) 0.19 & 3.44 \(\pm\) 0.65 & \({}^{\circ}\) & 6.95 \(\pm\) 0.92\({}^{\circ}\) & \({}^{\circ}\) & 1.39 \(\pm\) 0.02 & \({}^{\circ}\) & - & - & - \\
1-Butanol, 2-methyl & 4.412 & 728.5 & 1.78 \(\pm\) 0.34 & 3.38 \(\pm\) 0.11 & 1.69 \(\pm\) 0.29\({}^{\circ}\) & 2.59 \(\pm\) 0.30 & \({}^{\circ}\) & 4.11 \(\pm\) 0.28 & 1.77 \(\pm\) 0.04 & \({}^{\circ}\) & - & - & - \\
1-Fematol & 5.411 & 759.8 & 0.67 \(\pm\) 0.08 & 1.24 \(\pm\) 0.07 & 0.62 \(\pm\) 0.02 & 0.49 \(\pm\) 0.06 & \({}^{\circ}\) & 7.00 \(\pm\) 0.09 & 0.22 \(\pm\) 0.04 & \({}^{\circ}\) & - & - \\
2-3-Butanedlo, S & 6.361 & 700.7 & 4.67 \(\pm\) 0.94 & 8.97 \(\pm\) 0.45\({}^{\circ}\) & 7.17 \(\pm\) 0.09 & 7.38 \(\pm\) 0.09 & \({}^{\circ}\) & 5.33 \(\pm\) 0.16 & \({}^{\circ}\) & 9.62 \(\pm\) 0.28 & \({}^{\circ}\) & - & - \\
2-3-Butanedlo, R & 7.668 & 801.6 & nd & nd & nd & nd & nd & nd & nd & nd & \\
1-Hexanol & 11.409 & 871.3 \(\pm\) 0.93 & 2.58 \(\pm\) 0.07 & 1.15 \(\pm\) 0.12 & 1.14 \(\pm\) 0.03 & 0.26 \(\pm\) 0.02 & 0.46 \(\pm\) 0.03 & \({}^{\circ}\) & - & - & - \\
1-Octen-3-ol & 18.07 & 892.5 & 0.50 \(\pm\) 0.01 & 0.49 \(\pm\) 0.00 & 1.15 \(\pm\) 0.33 & 0.87 \(\pm\) 0.06 & \({}^{\circ}\) & 0.17 \(\pm\) 0.02 & \({}^{\circ}\) & 9.66 \(\pm\) 0.02 & \({}^{\circ}\) & - & - \\
1-Hexanol, 2-ethyl & 2.06 & 1033.2 & 0.11 \(\pm\) 0.03 & 0.09 \(\pm\) 0.01 & 0.59 \(\pm\) 0.24 & 0.15 \(\pm\) 0.01 & \({}^{\circ}\) & - & nd & 0.23 \(\pm\) 0.01 & \({}^{\circ}\) & - & - \\
1-Hexanol, 2-ethyl & 2.143 & 111.6 & 0.61 \(\pm\) 0.19 & 2.06 \(\pm\) 0.11 & 0.87 \(\pm\) 0.30 & 0.28 \(\pm\) 0.06 & \({}^{\circ}\) & - & nd & 0.31 \(\pm\) 0.02 & \({}^{\circ}\) & - & - \\ Benzenenethanol & 24.13 & 111.7 & 0.12 \(\pm\) 0.01 & 0.03 \(\pm\) 0.03 & 0.27 \(\pm\) 0.03 & 0.21 \(\pm\) 0.07 & \({}^{\circ}\) & & nd & 0.20 \(\pm\) 0.07 & \({}^{\circ}\) & - & - \\
1-Total & & 22.37 \(\pm\) 42 & 28.39 \(\pm\) 1.12\({}^{\circ}\) & 22.18 \(\pm\) 2.96 & 21.13 \(\pm\) 1.40 & \({}^{\circ}\) & 26.74 \(\pm\) 2.32 & \({}^{\circ}\) & 20.25 \(\pm\) 0.62 & \({}^{\circ}\) & - & - & - \\ \hline _Aldehydes_ & & & & & & & & & & & & & \\
2-Methylproposal & 2.04 & 577.4 & 0.57 \(\pm\) 0.02 & \({}^{\circ}\) & 1.01 \(\pm\) 0.02\({}^{\circ}\) & 0.97 \(\pm\) 0.01 & \({}^{\circ}\) & 0.56 \(\pm\) 0.02 & \({}^{\circ}\) & - & 3.29 \(\pm\) 0.18\({}^{\circ}\) & 0.50 \(\pm\) 0.04 & \({}^{\circ}\) & - & - & - \\
3-Methylbutanal & 2.79 & 641.2 & 2.79 \(\pm\) 0.18\({}^{\circ}\) & 2.14 \(\pm\) 0.30 & 3.46 \(\pm\) 0.21 & nd & & & 1.24 \(\pm\) 0.07 & nd & & - & - \\
2-Methylbutanal & 2.911 & 651.2 & 4.19 \(\pm\) 1.34 & 2.01 \(\pm\) 0.03 & 3.36 \(\pm\) 0.22 & \({}^{\circ}\) & 2.03 \(\pm\) 0.04 & \({}^{\circ}\) & 4.61 \(\pm\) 0.56 & 1.55 \(\pm\) 0.03 & \({}^{\circ}\) & - & - & - \\ Hexanal & 6.617 & 798.5 & 11.45 \(\pm\) 0.06\({}^{\circ}\) & 5.32 \(\pm\) 0.07 & \({}^{\circ}\) & 9.38 \(\pm\) 0.34 & 10.05 \(\pm\) 0.53 & \({}^{\circ}\) & - & 4.12 \(\pm\) 0.09 & 10.58 \(\pm\) 0.22 & \({}^{\circ}\) & - & - \\ Heptal & 13.354 & 900.4 & 0.45 \(\pm\) 0.11\({}^{\circ}\) & 0.96 \(\pm\) 0.14 & 0.72 \(\pm\) 0.02 & 3.17 \(\pm\) 0.10 & \({}^{\circ}\) & - & 0.77 \(\pm\) 0.07 & \({}^{\circ}\) & 1.51 \(\pm\) 0.15 & \({}^{\circ}\) & - & - & - \\
3-Methylsurfamy & 13.569 & 904.3 & 0.08 \(\pm\) 0.05 & 0.21 \(\pm\) 0.01 & 0.30 \(\pm\) 0.04 & nd & & & 0  
\begin{table}
\begin{tabular}{l c c c c c c c c c c c c c c c} \hline \hline
**V Volatile Compound** & **Rt** & **LRI** & \multicolumn{3}{c}{**C**} & \multicolumn{3}{c}{**A**} & \multicolumn{3}{c}{**C vs. A**} & \multicolumn{3}{c}{**AW**} & \multicolumn{3}{c}{**C vs.  
\begin{table}
\begin{tabular}{l c c c c c c c c c c c c c c} \hline \hline
**Volatile Compound** & **Rt** & **LRI** & \multicolumn{6}{c}{**C**} & \multicolumn{6}{c}{**A**} & \multicolumn{6}{c}{**C vs. A**} & \multicolumn{6}{c}{**AW**} & \multicolumn{6}{c}{**C vs. AW**} & \multicolumn{6}{c}{**A vs. W**} \\ \hline _Kotros_ & & & & & & & & & & & & & & \\
2-Propanone (Acetone) & 1.746 & 557.2 & 2.54 \(\pm\) 0.08\({}^{\rm b}\) & 2.08 \(\pm\) 0.06\({}^{\rm a}\) & 1.89 \(\pm\) 0.05\({}^{\rm b}\) & 1.26 \(\pm\) 0.03\({}^{\rm a}\) & \({}^{\rm a}\) & \({}^{\rm a}\) & 1.41 \(\pm\) 0.03 & 1.40 \(\pm\) 0.01 & \({}^{\rm a}\) & \({}^{\rm a}\) & \({}^{\rm a}\) \\
2-3-Butanone & 2.265 & 996.4 & 0.48 \(\pm\) 0.03 & 0.60 \(\pm\) 0.04 & 0.43 \(\pm\) 0.01 & 0.78 \(\pm\) 0.03\({}^{\rm b}\) & \({}^{\rm a}\) & nd & 0.79 \(\pm\) 0.06 & \({}^{\rm a}\) & \({}^{\rm a}\) \\
2-Butanone & 2.236 & 996 & 5.69 \(\pm\) 0.7\({}^{\rm b}\) & 0.86 \(\pm\) 0.04\({}^{\rm a}\) & 1.14 \(\pm\) 0.06\({}^{\rm a}\) & 1.66 \(\pm\) 0.08\({}^{\rm b}\) & \({}^{\rm a}\) & \({}^{\rm a}\) & nd & 1.08 \(\pm\) 0.06 & \({}^{\rm a}\) & \({}^{\rm a}\) \\
3-Hydroxy-2-butanone & 3.714 & 706.3 & 3.71 \(\pm\) 0.28\({}^{\rm b}\) & 2.44 \(\pm\) 0.0\({}^{\rm a}\) & 2.17 \(\pm\) 0.07\({}^{\rm b}\) & 1.10 \(\pm\) 0.10\({}^{\rm a}\) & \({}^{\rm a}\) & \({}^{\rm a}\) & 1.83 \(\pm\) 0.08 & \({}^{\rm a}\) & 2.47 \(\pm\) 0.08\({}^{\rm b}\) & \({}^{\rm a}\) & \({}^{\rm a}\) \\
4-Algetnen & 12.679 & 890.2 & 0.12 \(\pm\) 0.00 a & 1.32 \(\pm\) 0.08\({}^{\rm b}\) & 0.28 \(\pm\) 0.04 & 0.21 \(\pm\) 0.01 & \({}^{\rm a}\) & \({}^{\rm a}\) & 0.02 \(\pm\) 0.00 \({}^{\rm a}\) & \({}^{\rm a}\) & \({}^{\rm a}\) & \({}^{\rm a}\) \\ _Total_ & & & 12.53 \(\pm\) 1.21\({}^{\rm b}\) & 7.30 \(\pm\) 0.63\({}^{\rm a}\) & 5.91 \(\pm\) 0.23\({}^{\rm b}\) & 5.01 \(\pm\) 0.25\({}^{\rm a}\) & \({}^{\rm a}\) & \({}^{\rm a}\) & 3.25 \(\pm\) 0.11 \({}^{\rm a}\) & 5.99 \(\pm\) 0.22\({}^{\rm b}\) & \({}^{\rm a}\) & \({}^{\rm a}\) & \({}^{\rm a}\) \\ \hline _Pyazines_ & & & & & & & & & & & \\
2-6-Dimethylpyrazine & 13.904 & 910 & 0.28 \(\pm\) 0.07 & nd & 0.34 \(\pm\) 0.02\({}^{\rm b}\) & 0.14 \(\pm\) 0.02\({}^{\rm a}\) & \({}^{\rm a}\) & \({}^{\rm a}\) & 0.33 \(\pm\) 0.03\({}^{\rm b}\) & 0.15 \(\pm\) 0.01 & \({}^{\rm a}\) & \({}^{\rm a}\) & \\
2-3-Dimethylpyrazine & 14.311 & 917 & nd & 0.34 \(\pm\) 0.03 & 0.17 \(\pm\) 0.01 & 0.20 \(\pm\) 0.01 & \({}^{\rm a}\) & \({}^{\rm a}\) & nd & 0.13 \(\pm\) 0.00 & \({}^{\rm a}\) & \({}^{\rm a}\) & \({}^{\rm a}\) \\
2-3-Crimethylpyrazine & 18.982 & 998.4 & 0.42 \(\pm\) 0.17\({}^{\rm b}\) & 0.09 \(\pm\) 0.00\({}^{\rm a}\) & 0.58 \(\pm\) 0.04\({}^{\rm b}\) & 0.26 \(\pm\) 0.06\({}^{\rm a}\) & \({}^{\rm a}\) & nd & 0.15 \(\pm\) 0.00 & \({}^{\rm a}\) & \({}^{\rm a}\) \\
23.5-Crimethylpyrazine & & & & & & & & & & & \\
22.956 & 1084.5 & 0.04 \(\pm\) 0.02 & 0.07 \(\pm\) 0.01 & 0.09 \(\pm\) 0.01 & 0.02 \(\pm\) 0.00 & \({}^{\rm a}\) & nd & 0.06 \(\pm\) 0.00 & \({}^{\rm a}\) & \({}^{\rm a}\) & \({}^{\rm a}\) \\
23.5-Crimethyl & & & & & & & & & & & & \\
22.956 & 1084.5 & 0.04 \(\pm\) 0.02 & 0.07 \(\pm\) 0.01 & 0.09 \(\pm\) 0.01 & 0.02 \(\pm\) 0.00 & & \({}^{\rm a}\) & nd & 0.06 \(\pm\) 0.00 & \({}^{\rm a}\) & \({}^{\rm a}\) \\
23.5-Crimethyl & & & & & & & & & & & & & \\
23 The short-branched-chain aldehydes 2-metylbutanal and 3-metylbutanal, due to a low odor threshold, are considered to be responsible for giving a characteristic malt, cocoa, and almond odor [101].