## Results and Discussion
### Characterization of the Strawberry Volatile Profile
\begin{table}
\begin{tabular}{c c c c c} \hline \hline  & **Camarosa** & **Candonga** & **Festival** & \(p\)**-Value** \\ \hline \multicolumn{5}{c}{Esters} \\ \hline methyl btunoate & \(142.21\pm 14.65\)\({}^{\text{a}}\) & \(112.72\pm 10.59\)\({}^{\text{b}}\) & \(99.63\pm 7.92\)\({}^{\text{b}}\) & 0.0002 \\ \hline ethyl btunoate & \(14.37\pm 1.62\)\({}^{\text{a}}\) & \(28.01\pm 2.31\)\({}^{\text{a}}\) & \(48.06\pm 3.14\)\({}^{\text{b}}\) & 0.01 \\ \hline methyl hexanoate & \(24.51\pm 2.75\)\({}^{\text{a}}\) & \(62.31\pm 3.20\)\({}^{\text{b}}\) & \(57.64\pm 4.04\)\({}^{\text{b}}\) & 0.0001 \\ \hline ethyl hexanoate & ND & \(19.26\pm 3.31\)\({}^{\text{a}}\) & \(28.48\pm 4.31\)\({}^{\text{b}}\) & 0.0006 \\ \hline hexyl hexanoate & \(95.45\pm 16.59\)\({}^{\text{a}}\) & \(150.47\pm 24.00\)\({}^{\text{a}}\) & \(303.79\pm 94.39\)\({}^{\text{b}}\) & 0.0063 \\ \hline cis-3-hexenyl acetate & \(40.71\pm 9.10\) & \(42.52\pm 8.37\) & ND & NS \\ \hline trans-2-hexenyl acetate & \(24.77\pm 1.90\) & \(33.66\pm 3.39\) & \(26.44\pm 2.33\) & NS \\ \hline \multicolumn{5}{c}{Aldehydes} \\ \hline hexanal & \(26.41\pm 9.51\) & \(18.24\pm 4.45\) & \(26.43\pm 6.54\) & NS \\ \hline trans-2-hexen-1-al & \(19.75\pm 2.24\)\({}^{\text{ab}}\) & \(6.78\pm 0.92\)\({}^{\text{a}}\) & \(21.96\pm 4.44\)\({}^{\text{b}}\) & 0.0055 \\ \hline benzaldehyde & \(29.21\pm 6.53\) & \(21.68\pm 4.85\) & ND & NS \\ \hline \multicolumn{5}{c}{Alcohols} \\ \hline \(1\)-hexanol & \(38.25\pm 2.10\) & \(21.83\pm 4.07\) & \(34.77\pm 2.19\) & NS \\ \hline trans-2-hexen-1-ol & \(30.94\pm 12.24\) & \(31.96\pm 15.13\) & \(50.76\pm 18.35\) & NS \\ \hline benzyl alcohol & \(12.68\pm 2.09\) & \(6.60\pm 1.47\) & ND & NS \\ \hline \multicolumn{5}{c}{Terpenes} \\ \hline linalool & \(75.08\pm 14.63\)\({}^{\text{a}}\) & \(135.00\pm 21.74\)\({}^{\text{b}}\) & \(188.74\pm 32.02\)\({}^{\text{b}}\) & 0.0053 \\ \hline geraniol & \(151.63\pm 29.96\)\({}^{\text{a}}\) & \(426.43\pm 35.72\)\({}^{\text{b}}\) & \(537.73\pm 122.01\)\({}^{\text{b}}\) & 0.0001 \\ \hline cis-nerolidol & \(51.77\pm 7.60\)\({}^{\text{a}}\) & \(5.91\pm 1.32\)\({}^{\text{b}}\) & \(12.69\pm 2.46\)\({}^{\text{b}}\) & 0.0001 \\ \hline nerol & \(7.59\pm 1.70\)\({}^{\text{a}}\) & \(7.73\pm 1.73\)\({}^{\text{a}}\) & \(4.33\pm 0.86\)\({}^{\text{b}}\) & 0.0053 \\ \hline \multicolumn{5}{c}{Furanones} \\ \hline mesifurane & \(27.83\pm 6.22\) & \(33.84\pm 5.08\) & \(39.80\pm 8.12\) & NS \\ \hline furanenol & \(96.56\pm 24.29\)\({}^{\text{a}}\) & \(210.38\pm 47.73\)\({}^{\text{b}}\) & \(456.97\pm 117.81\)\({}^{\text{c}}\) & 0.00001 \\ \hline \multicolumn{5}{c}{Acids} \\ \hline \(2\)-methylbutanoic acid & \(30.71\pm 5.67\)\({}^{\text{a}}\) & \(64.72\pm 16.26\)\({}^{\text{b}}\) & \(46.23\pm 6.14\)\({}^{\text{a}}\) & 0.0017 \\ \hline
3-methylbutanoic acid & \(109.32\pm 22.48\)\({}^{\text{a}}\) & \(89.26\pm 15.81\)\({}^{\text{a}}\) & \(4.63\pm 0.92\)\({}^{\text{b}}\) & 0.0001 \\ \hline hexanoic acid & \(43.01\pm 9.60\) & \(29.04\pm 6.42\) & ND & NS \\ \hline \multicolumn{5}{c}{Lactones} \\ \hline \(\gamma\)-nonalactone & \(9.89\pm 2.21\) & \(11.69\pm 2.61\) & ND & NS \\ \hline \(\Delta\)-decalactone & \(4.83\pm 1.08\) & \(20.36\pm 4.55\) & ND & NS \\ \hline \end{tabular} Superscript letters within each row indicate significant differences between groups marked with different letters, according to the post-hoc LSD test (\(p<0.05\)). ND: not detected, NS: not significant (\(p>0.05\)).  
\end{table} 
Table 1: Volatile composition of three strawberry varieties grown in a soilless system (expressed as the mean \(\pm\) standard deviation of 2-octanol equivalents, \(\mu\)g kg\({}^{-1}\)) and \(p\)-values obtained by ANOVA (N = 5 per study group).