## 3 Results and Discussion
### Dynamic Changes in Volatile Flavor Compounds
\begin{table}
\begin{tabular}{c c c c c c c c c} \hline \hline  & \multicolumn{2}{c}{**Volatile Compounds**} & \multicolumn{2}{c}{**RI**} & \multicolumn{2}{c}{**CAS**} & \multicolumn{2}{c}{**+IOX**} & \multicolumn{2}{c}{**Content(ug/L)**} & \multicolumn{1}{c}{\(p\)  
\begin{table}
\begin{tabular}{c c c c c c c c c} \hline \multicolumn{1}{c}{**Volatile Compounds**} & \multicolumn{1}{c}{**RI**} & \multicolumn{1}{c}{**CAS**} & \multicolumn{2}{c}{**FOAV**} & \multicolumn{2}{c}{**Content(g/L)**} & \multicolumn{1}{c}{\(p\)**-Value**} \\ \hline
99 & 1-Ethylpropyl Acetate & 793 & 620-11-1 & 0-1 & \(>\)1 & 3.10 \(\pm\) 0.34 & 194.85 \(\pm\) 4.87 & 0.0006 \\
100 & 8-Dodecalactone & 1720 & 713-95-1 & 0-1 & 0-1 & 3.45 \(\pm\) 0.17 & 4.04 \(\pm\) 0.04 & 0.0464 \\
101 & Methyl Herbamoide & 1024 & 106-730 & 0-1 & \(>\)1 & 3.56 \(\pm\) 0.12 & 19.55 \(\pm\) 0.98 & 0.0044 \\
102 & Ethyl Dodecanoate & 1595 & 106-33-2 & 0-1 & 0-1 & 4.27 \(\pm\) 0.20 & 2.39 \(\pm\) 1.75 & 0.0095 \\
103 & 3-Hyperpropyl Acetate & 1373 & 122-72.5 & 0-1 & 0-1 & 4.28 \(\pm\) 0.07 & 6.10 \(\pm\) 0.56 & 0.0701 \\
104 & 3-Methylphenyl/methyl Patanoate & 1396 & 103-38-8 & 0-1 & 5.49 \(\pm\) 0.50 & 30.0 \(\pm\) 1.68 & 0.0027 \\
105 & cis-2-Methyl-5-(-(Methylphenyl)-2-Cyclohexan-1-0i Acetate & 1362 & 1205-42-1 & 0-1 & 5.63 \(\pm\) 0.24 & 31.37 \(\pm\) 5.71 & 0.0463 \\
106 & Ethyl Hexanoate & 1189 & 626-62-4 & 0-1 & 0-1 & 6.39 \(\pm\) 0.30 & 32.25 \(\pm\) 0.62 & 0.0004 \\
107 & Penyl Acetate & 916 & 628-63-7 & 0-1 & 0-1 & 6.69 \(\pm\) 0.32 & 37.25 \(\pm\) 2.74 & 0.0072 \\
108 & 4-Methylphenyl Acetate & 1171 & 140-39.6 & 0-1 & \(>\)1 & 8.00 \(\pm\) 0.33 & 36.87 \(\pm\) 1.79 & 0.0051 \\
109 & 3-Methylbutyl Patanoate & 1046 & 109-19-3 & 0-1 & 0-1 & 8.41 \(\pm\) 0.45 & 46.84 \(\pm\) 1.05 & 0.0015 \\
110 & Ethyl Nonanoate & 1295 & 123-29-5 & 0-1 & \(>\)1 & 9.00 \(\pm\) 0.58 & 50.16 \(\pm\) 2.23 & 0.0038 \\
111 & Ethyl Thiocyanate & 702 & 556-649 & 0-1 & \(>\)1 & 9.51 \(\pm\) 0.52 & 52.59 \(\pm\) 1.39 & 0.0026 \\
112 & Ethyl-3-Methylpentanoate & 960 & 5807-68-8 & 0-1 & \(>\)1 & 5.92 \(\pm\) 0.93 & 29.56 \(\pm\) 2.07 & 0.0000 \\
113 & Tetrahydro-Gentry-2-HYPan-2-one & 1502 & 705-86-2 & 0-1 & 0-1 & 10.89 \(\pm\) 0.36 & 34.16 \(\pm\) 2.44 & 0.0069 \\
114 & Methyl Ocenoie & 1326 & 114-29-9 & -1 & 3-1 & 11.03 \(\pm\) 0.30 & 17.51 \(\pm\) 0.57 & 0.0172 \\
115 & 2-Methylbutyl 2-Methylbutanoate & 1105 & 2445-78-5 & 0-1 & \(>\)1 & 11.63 \(\pm\) 1.03 & 148.48 \(\pm\) 6.08 & 0.0023 \\
116 & 2-Phenylethyl 3-Methylbutanoate & 1491 & 140-26-1 & \(>\)1 & 11.65 \(\pm\) 1.16 & 64.87 \(\pm\) 3.29 & 0.0043 \\
117 & Butyl Butanue & 996 & 109-21-7 & 0-1 & \(>\)1 & 12.14 \(\pm\) 0.26 & 25.33 \(\pm\) 1.59 & 0.0049 \\
118 & Ethyl Pentanoate & 902 & 539-82-2 & 0-1 & \(>\)1 & 12.16 \(\pm\) 0.18 & 67.56 \(\pm\) 3.27 & 0.0033 \\
119 & Ethyl Benzaceae & 1247 & 101-97-3 & 0-1 & 0-1 & 12.52 \(\pm\) 1.44 & 71.91 \(\pm\) 3.06 & 0.0016 \\
120 & Dihydroc-5-Propy-12-3H-Vuranone & 1156 & 105-21-5 & 0-1 & 0-1 & 12.71 \(\pm\) 0.46 & 70.78 \(\pm\) 3.50 & 0.0028 \\
121 & 3-Methylbutyl Butanoate & 1056 & 106-27-4 & 0-1 & \(>\)1 & 12.74 \(\pm\) 0.12 & 1405.55 \(\pm\) 1.88 & 0.0002 \\
122 & 2-An-JNyl Jeavaterine & 1110 & 2451-62-7 & 0-1 & 0-1 & 18.84 \(\pm\) 0.91 & 74.398 \(\pm\) 3.97 & 0.0044 \\
123 & Isodiscaryatechane & 796 & 542-85-8 & 0-1 & 0-1 & 20.83 \(\pm\) 0.96 & 20.69 \(\pm\) 3.54 & 0.0247 \\
124 & Propy Proparaponate & 810 & 106-36-5 & 0-1 & \(>\)1 & 22.27 \(\pm\) 0.54 & 126.47 \(\pm\) 7.00 & 0.0051 \\
125 & 3-Methyl-1-Batonnel Acetate & 878 & 123-92-2 & \(>\)1 & 1 & 24.93 \(\pm\) 0.67 & 47.91 \(\pm\) 3.58 & 0.0066 \\
126 & Propy Butanue & 899 & 1056-68 & \(>\)1 & \(>\)1 & 30.20 \(\pm\) 0.85 & 168.43 \(\pm\) 4.58 & 0.0010 \\
127 & (E)-Methyl 3-Hexanoate & 920 & 13894-61-6 & 0-1 & 0-1 & 34.56 \(\pm\) 1.43 & 7.20 \(\pm\) 0.67 & 0.0009 \\
128 & -Butyl Tiglate & 1134 & 778-66-2 & \(>\)1 & \(>\)1 & 51.65 \(\pm\) 2.22 & 28.77 \(\pm\) 2.48 & 0.0001 \\
129 & Isooperantly Hexanoate & 1250 & 2198-61-0 & 0-1 & 0-1 & 9.91 \(\pm\) 1.01 & 39.01 \(\pm\) 0.71 & 0.0023 \\
130 & Butyl Acetate & 815 & 123-864 & \(>\)1 & \(>\)1 & 99.48 \(\pm\) 5.70 & 554.18 \(\pm\) 17.65 & 0.0017 \\
131 & 2-Butoxyethyl Acetate & 1090 & 112-07-2 & 0-1 & 0-1 & 10.24 \(\pm\) 4.71 & 192.92 \(\pm\) 6.11 & 0.0118 \\
132 & Ethyl Tiglate & 939 & 5807-78-5 & \(>\)1 & \(>\)1 & 150.65 \(\pm\) 11.45 & 66.08 \(\pm\) 2.19 & 0.0223 \\
133 & Methyl1-Octynote & 1202 & 111-12-6 & \(>\)1 & \(>\)1 & 15 During the spontaneous fermentation of Jerusalem artichoke juice, aldehydes showed significant changes, reflecting complex biochemical reactions and microbial metabolic activities.