# Effect of Aging Time on the Composition of the Volatile Components of An-tea
## 3 Results
### Relative Compositions of Volatile Compounds in Differently Aged An-tea Samples
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline \multirow{2}{*}{**Type**} & \multirow{2}{*}{**Peak**} & \multirow{2}{*}{**Compound**} & \multirow{2}{*}{**Structure**} & \multirow{2}{*}{**Molecular Formula**} & \multicolumn{4}{c}{**Relative Content \% (Mean \(\pm\) SD)**} \\ \cline{6-9}  & & & & & **HAS** & **MAS** & **LAS** & **CK** \\ \hline  & 9 & Heptan-2-one & & & C\({}_{2}\)H\({}_{4}\)O & 0.77 \(\pm\) 0.19 & 0.75 \(\pm\) 0.09 & 0.27 \(\pm\) 0.02 & 0.55 \(\pm\) 0.09 \\  & 18 & Octan-3-one & & & C\({}_{2}\)H\({}_{4}\)O & 1.39 \(\pm\) 0.59 & - & 0.33 \(\pm\) 0.03 & 0.43 \(\pm\) 0.02 \\  & 19 & Octane-2-3-dione & & & C\({}_{2}\)H\({}_{4}\)O & - & 0.69 \(\pm\) 0.08 & 0.70 \(\pm\) 0.02 & 1.06 \(\pm\) 0.48 \\  & 21 & 6-Methylhep-5-en-2-one & & & C\({}_{2}\)H\({}_{4}\)O & 2.27 \(\pm\) 0.26 & 2.36 \(\pm\) 0.12 & 2.34 \(\pm\) 0.06 & 1.50 \(\pm\) 0.23 \\  & 27 & Nonan-2-one & & & C\({}_{2}\)H\({}_{4}\)O & - & 0.39 \(\pm\) 0.02 & - & - \\  & 35 & Hydroxyacetophenone & & & C\({}_{2}\)H\({}_{4}\)O\({}_{3}\) & - & 1.25 \(\pm\) 0.14 & - & - \\ Ketones & 39 & Decan-2-one & & & C\({}_{2}\)H\({}_{2}\)O & - & - & 0.37 \(\pm\) 0.03 & 0.49 \(\pm\) 0.01 \\  & 52 & Jasmone & & & C\({}_{2}\)H\({}_{4}\)O & - & 0.87 \(\pm\) 0.01 & 2.27 \(\pm\) 0.06 & 1.19 \(\pm\) 0.01 \\  & 53 & 2-Butanone & & & C\({}_{2}\)H\({}_{2}\)O & 3.40 \(\pm\) 0.35 & 3.24 \(\pm\) 0.09 & - & - \\  & 54 & \(\alpha\)-Ionone & & & C\({}_{2}\)H\({}_{2}\)O & 2.05 \(\pm\) 0.16 & 2.26 \(\pm\) 0.01 & 2.94 \(\pm\) 0.01 & 2.13 \(\pm\) 0.01 \\  & 55 & Geranylacetone & & & C\({}_{2}\)H\({}_{2}\)O & 2.19 \(\pm\) 0.12 & 1.65 \(\pm\) 0.03 & 4.82 \(\pm\) 0.11 & 2.31 \(\pm\) 0.14 \\  & 57 & \(\beta\)-Ionone & & & C\({}_{2}\)H\({}_{2}\)O & 5.27 \(\pm\) 0.84 & 4.92 \(\pm\) 0.05 & 13.30 \(\pm\) 0.38 & 6.37 \(\pm\) 0.44 \\  & & & & C\({}_{2}\)H\({}_{4}\)O & - & C\({}_{2}\)H\({}_{4}\)O & 1.95 \(\pm\) 0.19 & 2.72 \(\pm\) 0.04 & 3.87 \  
\begin{table}
\begin{tabular}{c c c c c c c c c} \hline \hline
**Type** & **Peak** & **Compound** & **Structure** & **Molecular Formula** & \multicolumn{3}{c}{**Relative Content \% (Mean \(\pm\) SD)**} \\ \hline  & 1 & 3-Methyl/butanal & & & C\({}_{3}\)H\({}_{\rm{H}}\)O & 0.60 \(\pm\) 0.07 & 0.53 \(\pm\) 0.10 & 0.38 \(\pm\) 0.10 & 0.53 \(\pm\) 0.03 \\  & 2 & 2-Methyl/butanal & & & C\({}_{3}\)H\({}_{\rm{H}}\)O & - & 0.43 \(\pm\) 0.01 & 0.51 \(\pm\) 0.06 & 0.71 \(\pm\) 0.04 \\  & 3 & Heanal & & C\({}_{3}\)H\({}_{\rm{H}}\)O & 1.31 \(\pm\) 0.03 & 1.38 \(\pm\) 0.23 & 0.80 \(\pm\) 0.08 & - \\  & 10 & Heptanal & & C\({}_{3}\)H\({}_{\rm{H}}\)O & 1.00 \(\pm\) 0.03 & 1.01 \(\pm\) 0.15 & 0.54 \(\pm\) 0.05 & - \\  & 20 & Benzaldehyde & & C\({}_{3}\)H\({}_{\rm{H}}\)O & 2.65 \(\pm\) 0.58 & 6.81 \(\pm\) 0.21 & 5.04 \(\pm\) 0.25 & 3.11 \(\pm\) 0.13 \\  & 22 & Octanal & & C\({}_{3}\)H\({}_{\rm{H}}\)O & 0.66 \(\pm\) 0.16 & - & 0.50 \(\pm\) 0.21 & 0.36 \(\pm\) 0.05 \\ Aldehydes & 24 & (_2E_,_4_)-Hepta+2-4-dianal & & C\({}_{3}\)H\({}_{\rm{H}}\)O & 2.76 \(\pm\) 0.05 & 2.09 \(\pm\) 0.19 & 1.05 \(\pm\) 0.03 & 0.62 \(\pm\) 0.12 \\  & 26 & Phenyacetaldehyde & & C\({}_{3}\)H\({}_{\rm{H}}\)O & 1.65 \(\pm\) 0.58 & 1.95 \(\pm\) 0.21 & 1.87 \(\pm\) 0.14 & - \\  & 28 & Nonanal & & C\({}_{3}\)H\({}_{\rm{H}}\)O & 1.90 \(\pm\) 0.84 & 1.37 \(\pm\) 0.05 & 2.67 \(\pm\) 0.23 & 0.93 \(\pm\) 0.17 \\  & 42 & Decanal & & C\({}_{3}\)H\({}_{\rm{H}}\)O & 1.13 \(\pm\) 0.05 & - & 1.40 \(\pm\) 0.60 & - \\  & 44 & Safanal & & C\({}_{3}\)H\({}_{\rm{H}}\)O & 2.32 \(\pm\) 0.29 & 2.47 \(\pm\) 0.19 & 3.02 \(\pm\) 0.07 & 2.04 \(\pm\) 0.18 \\  & 46 & \(\beta\)-Cyclotical & & C\({}_{3}\)H\({}_{\rm{H}}\)O & 1.74 \(\pm\) 0.30 & 1.95 \(\pm\) 0.16 & 3.59 \(\pm\) 0.07 & - \\ \hline Alcohds & 29 & Linalool & & C\({}_{3}\)H\({}_{\rm{H}}\)O & 6.85 \(\pm\) 1.20 & 4.24 \(\pm\) 0.24 & 8.80 \(\pm\) 0.28 & 9.38 \(\pm\) 0.34 \\  &  
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline
**Type** & **Peak** & **Compound** & **Structure** & **Molecular Formula** & \multicolumn{3}{c}{**Relative Content \% (Mean \(\pm\) SD)**} \\ \cline{5-8}  & 8 & Butyl acrylate & & C/H\({}_{2}\)O\({}_{2}\) & - & 0.69 \(\pm\) 0.07 & 2.23 \(\pm\) 0.19 & - \\  & 17 & Phenyl acetate & & C/H\({}_{4}\)O\({}_{2}\) & 15.28 \(