## 3 Results and Discussion
### Analysis of Volatile Compounds in High-Moisture Japonica Brown Rice during Storage
**} & \multirow{2}{*}{**Volatile Compounds**} & \multicolumn{4}{c}{**15.5\%**} \\ \cline{3-5}  & & **0 Day** & \multicolumn{2}{c}{**90 Day**} \\ \cline{3-5}  & & **-** & **15 \({}^{\circ}\)C** & **20 \({}^{\circ}\)C** & **25 \({}^{\circ}\)C** \\ \hline Alcohols & & & & \\
1 & 1-Heptanol & 1.89 \(\pm\) 0.13 \({}^{\mathrm{a}}\) & 1.86 \(\pm\) 0.12 \({}^{\mathrm{a}}\) & / & 0.33 \(\pm\) 0.02 \({}^{\mathrm{b}}\) \\
2 & 1-Octanol & 5.25 \(\pm\) 0.20 \({}^{\mathrm{a}}\) & 3.99 \(\pm\) 0.19 \({}^{\mathrm{b}}\) & 1.93 \(\pm\) 0.12 \({}^{\mathrm{c}}\) & 1.70 \(\pm\) 0.44 \({}^{\mathrm{c}}\) \\
3 & 1-Nonanol & 1.46 \(\pm\) 0.12 \({}^{\mathrm{a}}\) & 0.95 \(\pm\) 0.05 \({}^{\mathrm{b}}\) & 0.64 \(\pm\) 0.08 \({}^{\mathrm{c}}\) & 0.60 \(\pm\) 0.08 \({}^{\mathrm{c}}\) \\
4 & 1-Octen-3-ol & / & 5.72 \(\pm\) 0.03 \({}^{\mathrm{a}}\) & 5.43 \(\pm\) 0.04 \({}^{\mathrm{b}}\) & 5.15 \(\pm\) 0.03 \({}^{\mathrm{c}}\) \\
5 & 2-Octyl-1-decanol & 0.44 \(\pm\) 0.07 \({}^{\mathrm{a}}\) & 0.47 \(\pm\) 0.08 \({}^{\mathrm{a}}\) & / & / \\
6 & 2-Hexyl-1-decanol & 1.87 \(\pm\) 0.17 \({}^{\mathrm{a}}\) & 2.01 \(\pm\) 0.41 \({}^{\mathrm{a}}\) & 1.12 \(\pm\) 0.22 \({}^{\mathrm{b}}\) & 1.10 \(\pm\) 0.33 \({}^{\mathrm{b}}\) \\
7 & Linalool oxide & / & 0.96 \(\pm\) 0.02 \({}^{\mathrm{a}}\) & 0.84 \(\pm\) 0.22 \({}^{\mathrm{a}}\) & 0.39 \(\pm\) 0.07 \({}^{\mathrm{b}}\) \\
8 & alpha-Terpineol & / & 1.76 \(\pm\) 0.04 \({}^{\mathrm{a}}\) & 1.19 \(\pm\) 0.12 \({}^{\mathrm{b}}\) & 0.58 \(\pm\) 0.25 \({}^{\mathrm{c}}\) \\
9 & 4,8-Dimethyl-1-nonanol & 0.83 \(\pm\) 0.06 \({}^{\mathrm{a}}\) & 0.76 \(\pm\) 0.01 \({}^{\mathrm{a}}\) & 0.45 \(\pm\) 0.09 \({}^{\mathrm{b}}\) & 0.25 \(\pm\) 0.06 \({}^{\mathrm{c}}\) \\
10 & 3,7,11-Trimethyl-1-dodecanol & 0.23 \(\pm\) 0.02 \({}^{\mathrm{b}}\) & 0.38 \(\pm\) 0.03 \({}^{\mathrm{a}}\) & / & 0.26 \(\pm\) 0.04 \({}^{\mathrm{b}}\) \\ Ketones & & & & & \\
11 & Geranylacetone & 1.75 \(\pm\) 0.15 \({}^{\mathrm{a}}\) & 1.19 \(\pm\) 0.10 \({}^{\mathrm{b}}\) & / & / \\
12 & (RS)-5-Ethyl-6-methyl-3E-hepten- & 0.97 \(\pm\) 0.23 \({}^{\mathrm{a}}\) & 0.86 \(\pm\) 0.05 \({}^{\mathrm{a}}\) & 0.41 \(\pm\) 0.18 \({}^{\mathrm{b}}\) & 0.20 \(\pm\) 0.04 \({}^{\mathrm{b}}\) \\
13 & 6,10-Dimethyl-undecan-2-one & 0.98 \(\pm\) 0.06 \({}^{\mathrm{a}}\) & 1.02 \(\pm\) 0.13 \({}^{\mathrm{a}}\) & 0.51 \(\pm\) 0.11 \({}^{\mathrm{b}}\) & / \\
14 & 2,6,10-Trimethyl-14- & 2.36 \(\pm\) 0.45 \({}^{\mathrm{a}}\) & 1.20 \(\pm\) 0.08 \({}^{\mathrm{b}}\) & 0.59 \(\pm\) 0.05 \({}^{\mathrm{c}}\) & 0.31 \(\pm\) 0.10 \({}^{\mathrm{c}}\) \\ Aldehydes & & & & & \\
15 & Undecanal & 0.68 \(\pm\) 0.01 \({}^{\mathrm{a}}\) & 0.59 \(\pm\) 0.01 \({}^{\mathrm{a}}\) & 0.35 \(\pm\) 0.06 \({}^{\mathrm{b}}\) & 0.28 \(\pm\) 0.09 \({}^{\mathrm{b}}\) \\
16 & Tetradecanal & 0.44 \(\pm\) 0.07 \({}^{\mathrm{a}}\) & 0.32 \(\pm\) 0.03 \({}^{\mathrm{b}}\) & / & / \\
17 & Octanal & 2.17 \(\pm\) 0.31 \({}^{\mathrm{a}}\) & 2.29 \(\pm\) 0.25 \({}^{\mathrm{a}}\) & / & / \\
18 & Nonanal & 14.60 \(\pm\) 0.21 \({}^{\mathrm{a}}\) & 11.94 \(\pm\) 0.68 \({}^{\mathrm{b}}\) & 8.56 \(\pm\) 0.41 \({}^{\mathrm{c}}\) & 7.59 \(\pm\) 1.47 \({}^{\mathrm{c}}\) \\
19 & Decanal & 3.32 \(\pm\) 0.09 \({}^{\mathrm{a}}\) & 3.05 \(\pm\) 0.05 \({}^{\mathrm{b}}\) & / & / \\ \hline
20 & (E)-2-ocenal & 2.17 \(\pm\) 0.10 \({}^{\mathrm{a}}\) & 1.00 \(\pm\) 0.35 \({}^{\mathrm{b}}\) & / & / \\
21 & (E)-2-Nonenal & 1.29 \(\pm\) 0.08 \({}^{\mathrm{a}}\) & 0.70 \(\pm\) 0.15 \({}^{\mathrm{b}}\) & 0.22 \(\pm\) 0.00 \({}^{\mathrm{c}}\) & 0.21 \(\pm\) 0.03 \({}^{\mathrm{c}}\) \\
22 & (E)-2-Decenal & 4.71 \(\pm\) 0.54 \({}^{\mathrm{a}}\) & 2.48 \(\pm\) 0.33 \({}^{\mathrm{b}}\) & 1.10 \(\pm\) 0.11 \({}^{\mathrm{c}}\) & 0.64 \(\pm\) 0.03 \({}^{\mathrm{d}}\) \\
23 & 2-Undecenal & 3.88 \(\pm\) 0.46 \({}^{\mathrm{a}}\) & 2.32 \(\pm\) 0.18 \({}^{\mathrm{b}}\) & / & / \\ Hydrocarbons & & & & & \\
24 & Dodecane & 1.88 \(\pm\) 0.06 \({}^{\mathrm{a}}\) & 1.11 \(\pm\) 0.03 \({}^{\mathrm{b}}\) & 1.20 \(\pm\) 0.03 \({}^{\mathrm{b}}\) & 1.57 \(\pm\) 0.04 \({}^{\mathrm{a}}\) \\
25 & Tridecane & 2.53 \(\pm\) 0.42 \({}^{\mathrm{a}}\) & 0.98 \(\pm\) 0.02 \({}^{\mathrm{c}}\) & 1.48 \(\pm\) 0.15 \({}^{\mathrm{b}}\) & 1.81 \(\pmThe original volatile compounds in rice change with temperature and time during the storage period, such as decreasing or increasing in the content of certain original volatile compounds [32].