# Effects of Isochoric Freezing on the Quality Characteristics of Raw Bovine Milk
## 3 Results and Discussion
### SPME GC/MS Analysis
\begin{table}
\begin{tabular}{c c c c c c c c c c c c} \hline \hline \multirow{2}{*}{\begin{tabular}{c} **Volatile** \\ **Compound** \\ \end{tabular} } & \multirow{2}{*}{\begin{tabular}{c} **RF** \\ **RI** \\ \end{tabular} } & \multirow{2}{*}{\begin{tabular}{c} **Initial** \\ **0 Weeks** \\ \end{tabular} } & \multirow{2}{*}{\begin{tabular}{c} **RF** \\ **2 Weeks** \\ \end{tabular} } & \multirow{2}{*}{\begin{tabular}{c} **HTST** \\ **2 Weeks** \\ \end{tabular} } & \multirow{2}{*}{\begin{tabular}{c} **IF (\(-\)5 °C)** \\ \end{tabular} } & \multirow{2}{*}{\
\begin{tabular}{c} **IF (\(-\)10 °C)** \\ \end{tabular} } \\ \cline{3-14}  & & & & 0 & & & & & & & & \\ \hline \multirow{2}{*}{Acids} & & & 2.87 & 32.53 & 4.66 & 2.55 & 149.15 & 3.6 & 3.67 & 1.93 & 1.63 \\  & & & (0.76) a & (7.4) b & (1.28) a & (1.73) a & (10.49) c & (1.65) a & (0.7) a & (0.84) a & (1.74) a \\ \hline \multirow{2}{*}{Butanoic acid} & \multirow{2}{*}{795} & \multirow{2}{*}{785} & \multirow{2}{*}{ND} & 4.17 & \multirow{2}{*}{ND} & 4.17 & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} \\  & & & (1.52) & & & & & & & & \\ \hline \multirow{2}{*}{Hexanoic acid} & \multirow{2}{*}{973} & \multirow{2}{*}{971} & \multirow{2}{*}{2.33} & \multirow{2}{*}{16.94} & \multirow{2}{*}{2.61} & \multirow{2}{*}{1.38} & \multirow{2}{*}{51.33} & \multirow{2}{*}{2.49} & \multirow{2}{*}{2.46} & \multirow{2}{*}{1.53} & \multirow{2}{*}{0.98} \\  & & & (0.26) a & (3.79) b & (0.62) a & (1.42) a & (7.97) c & (1.03) a & (0.29) a & (0.56) a & (1.47) a \\ \hline \multirow{2}{*}{Octanoic acid} & \multirow{2}{*}{1165} & \multirow{2}{*}{1156} & \multirow{2}{*}{
\begin{tabular}{c} 0.54 \\ (0.63) a \\ \end{tabular} } & \multirow{2}{*}{8.97} & \multirow{2}{*}{1.76} & \multirow{2}{*}{1.18} & \multirow{2}{*}{55.04} & \multirow{2}{*}{1.11} & \multirow{2}{*}{1.21} & \multirow{2}{*}{0.40} & \multirow{2}{*}{0.65} \\  & & & & & & & & & \\ \hline \multirow{2}{*}{Decanoic acid} & \multirow{2}{*}{1335} & \multirow{2}{*}{1344} & \multirow{2}{*}{ND} & \multirow{2}{*}{(0.44) a} & \multirow{2}{*}{(0.12) a} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} \\  & & & & & & & & & & \\ \hline \multirow{2}{*}{Dodecanoic acid} & \multirow{2}{*}{1547} & \multirow{2}{*}{1539} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} \\  & & & & & & & & & & \\ \hline \multirow{2}{*}{Alcohols} & & & 3.34 & 4.18 & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} \\  & & & (0.57) b & (0.62) b & (0.55) a & (0.38) a & (0.17) a & (0.28) a & (0.41) a & (0.34) a \\ \hline \multirow{2}{*}{Ethanol} & \multirow{2}{*}{440} & \multirow{2}{*}{466} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} \\  & & & & & & & & & & \\ \hline \multirow{2}{*}{2-propanol} & \multirow{2}{*}{475} & \multirow{2}{*}{493} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} \\  & & & & & & & & & & \\ \hline \multirow{2}{*}{2-methyl-2-propanol} & \multirow{2}{*}{512} & \multirow{2}{*}{510} & \multirow{2}{*}{2.40} & \multirow{2}{*}{1.16} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} \\  & & & & & & & & & & \\ \hline \multirow{2}{*}{2-phenyl-propanol} & \multirow{2}{*}{607} & \multirow{2}{*}{613} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} \\  & & & & & & & & & & \\ \hline \multirow{2}{*}{2-methyl-2-propanol} & \multirow{2}{*}{614} & \multirow{2}{*}{622} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} & \multirow{2}{*}{ND} \\  & & & & & & & & & & \\ \hline \end{tabular}
\end{table}