## 2 Results and Discussion
### Volatiles of Citrus Fiber/Blackberry Gels
\begin{table}
\begin{tabular}{c c c c c c c} \hline
**Volatiles** & **BJ** & **F** & **10\%\_T** & **20\%\_T** & **10\%\_S** & **20\%\_S** \\ \hline \multicolumn{6}{c}{Acids} \\ hexanoic acid & - & 18.12 \(\pm\) 0.05 & 36.63 \(\pm\) 3.11 \({}^{\rm a,b}\) & 31.57 \(\pm\) 2.18 \({}^{\rm b}\) & 38.08 \(\pm\) 0.56 \({}^{\rm a}\) & 35.51 \(\pm\) 1.87 \({}^{\rm a,b}\) \\ \hline nonanoic acid & 24.68 \(\pm\) 0.18 & - & 2.31 \(\pm\) 0.02 \({}^{\rm c}\) & 2.89 \(\pm\) 0.07 \({}^{\rm b}\) & 4.73 \(\pm\) 0.11 \({}^{\rm a}\) & 4.66 \(\pm\) 0.08 \({}^{\rm a}\) \\ \hline \multicolumn{6}{c}{Aldehydes and ketones} \\ hexanal & - & 183.33 \(\pm\) 9.2 & 74.47 \(\pm\) 0.70 \({}^{\rm a}\) & 60.68 \(\pm\) 0.14 \({}^{\rm c}\) & 76.41 \(\pm\) 2.07 \({}^{\rm a}\) & 61.15 \(\pm\) 0.00 \({}^{\rm b}\) \\ \hline furaldehyde & - & 40.45 \(\pm\) 1.71 & - & - & - & - \\ \hline heptanal & 0.72 \(\pm\) 0.00 & 24.98 \(\pm\) 0.06 & 1.20 \(\pm\) 0.00\({}^{\rm c}\) & 1.19 \(\pm\) 0.00 \({}^{\rm c}\) & 1.42 \(\pm\) 0.00 \({}^{\rm b}\) & 6.27 \(\pm\) 0.20 \({}^{\rm a}\) \\ \hline benzaldehyde & - & 87.76 \(\pm\) 3.61 & - & - & - & - \\ \hline
2-heptanal & - & - & 65.81 \(\pm\) 0.40 \({}^{\rm d}\) & 68.02 \(\pm\) 0.34 \({}^{\rm c}\) & 69.53 \(\pm\) 0.03 \({}^{\rm b}\) & 77.13 \(\pm\) 0.12 \({}^{\rm a}\) \\ \hline
1-octen-3-one & - & - & 30.83 \(\pm\) 2.37 \({}^{\rm c}\) & 31.30 \(\pm\) 1.19 \({}^{\rm c}\) & 34.76 \(\pm\) 0.50 \({}^{\rm b}\) & 38.01 \(\pm\) 1.91 \({}^{\rm a}\) \\ \hline methyl heptone & - & 49.18 \(\pm\) 0.13 & - & - & - & - \\ \hline
6-methyl-5-hepten-2-one & - & - & 16.84 \(\pm\) 0.11 \({}^{\rm b}\) & 18.64 \(\pm\) 0.01 \({}^{\rm a}\) & 16.95 \(\pm\) 0.35 \({}^{\rm b}\) & 18.41 \(\pm\) 0.14 \({}^{\rm a}\) \\ \hline octanal & - & 31.89 \(\pm\) 0.41 & 15.57 \(\pm\) 0.04 \({}^{\rm d}\) & 21.47 \(\pm\) 0.33 \({}^{\rm c}\) & 37.89 \(\pm\) 0.29 \({}^{\rm a}\) & 24.85 \(\pm\) 0.22 \({}^{\rm b}\) \\ \hline
3-octen-2-one & - & 51.51 \(\pm\) 4.60 & - & - & - & - \\ \hline
2-octenal & 10.35 \(\pm\) 0.13 & 42.29 \(\pm\) 3.24 & 31.98 \(\pm\) 0.46 \({}^{\rm c}\) & 30.27 \(\pm\) 2.66 \({}^{\rm c}\) & 39.55 \(\pm\) 0.14 \({}^{\rm b}\) & 41.07 \(\pm\) 0.07 \({}^{\rm a}\) \\ \hline
3,5-octadiene-2-one & - & 50.27 \(\pm\) 3.35 & - & - & - & - \\ \hline
2-nonenal & - & 14.35 \(\pm\) 0.03 & 6.99 \(\pm\) 0.23 \({}^{\rm b}\) & 6.85 \(\pm\) 0.05 \({}^{\rm b}\) & 8.17 \(\pm\) 0.08 \({}^{\rm a}\) & 8.05 \(\pm\) 1.00 \({}^{\rm a}\) \\ \hline myrtenal & - & 39.99 \(\pm\) 0.52 & - & - & - & - \\ \hline decanal & - & 12.99 \(\pm\) 0.71 & 10.22 \(\pm\) 0.05 \({}^{\rm a}\) & 10.52 \(\pm\) 0.07 \({}^{\rm a}\) & 6.23 \(\pm\) 0.11 \({}^{\rm c}\) & 9.09 \(\pm\) 0.03 \({}^{\rm b}\) \\ \hline
2,4-nonadienal & 22.12 \(\pm\) 0.41 & - & 3.83 \(\pm\) 0.04 \({}^{\rm c}\) & 3.58 \(\pm\) 0.25 \({}^{\rm c}\) & 5.28 \(\pm\) 0.07 \({}^{\rm b}\) & 7.21 \(\pm\) 0.08 \({}^{\rm a}\) \\ \hline
2-decenal & 11.38 \(\pm\) 0.25 & 7.47 \(\pm\) 0.43 & 4.29 \(\pm\) 0.02 \({}^{\rm d}\) & 4.69 \(\pm\) 0.09 \({}^{\rm c}\) & 7.43 \(\pm\) 0.22 \({}^{\rm b}\) & 8.22 \(\pm\) 0.00 \({}^{\rm a}\) \\ \hline
2-butyl-2-octenal & - & 4.39 \(\pm\) 0.01 & - & - & - & - \\ \hline geranyl acetone & 18.68 \(\pm\) 0.41 & 7.35 \(\pm\) 0.10 & 4.70 \(\pm\) 0.06 \({}^{\rm d}\) & 5.48 \(\pm\) 0.13 \({}^{\rm c}\) & 6.16 \(\pm\) 0.00 \({}^{\rm b}\) & 6.99 \(\pm\) 0.14 \({}^{\rm a}\) \\ \hline lily aldehyde & 11.26 \(\pm\) 0.04 & - & 2.66 \(\pm\) 0.07 \({}^{\rm a}\) & 2.90 \(\pm\) 0.09 \({}^{\rm b}\) & 3.82 \(\pm\) 0.09 \({}^{\rm c}\) & 5.39 \(\pm\) 0.13 \({}^{\rm d}\) \\ \hline \multicolumn{6}{c}{Terpenes} \\ \hline m-cymene & - & 6.99 \(\pm\) 0.25 & - & - & - & - \\ \hline D-limonene & 7.37 \(\pm\) 0.13 & 603.15 \(\pm\) 3.3 & 368.44 \(\pm\) 10.35 \({}^{\rm b}\) & 362.97 \(\pm\) 4.75 \({}^{\rm b}\) & 496.20 \(\pm\) 5.42 \({}^{\rm a}\) & 505.88 \(\pm\) 2.74 \({}^{\rm a}\) \\ \hline guaiacol & 104.17 \(\pm\) 1.8 & - & 14.29 \(\pm\) 0.02 \({}^{\rm b}\) & 12.82 \(\pm\) 0.02 \({}^{\rm c}\) & 11.35 \(\pm\) 0.30 \({}^{\rm d}\) & 15.75 \(\pm\) 0.17 \({}^{\rm a}\) \\ \hline linalool & 23.39 \(\pm\) 0.42 & 11.83 \(\pm\) 0.21 & 8.16 \(\pm\) 0.09 \({}^{\rm a}\) & 7.75 \(\pm\) 0.14 \({}^{\rm b}\) & 5.33 \(\pm\) 0.02 \({}^{\rm c}\) & 5.21 \(\pm\) 0.05 \({}^{\rm c}\) \\ \hline trans-verbenol & 43.40 \(\pmThe amounts of volatiles have also been determined after storage (Table 3).