# Compositional Analysis and Aroma Evaluation of Feijoa Essential Oils from New Zealand
## 2 Results and Discussion
### Compositional Analysis of Feijoa Essential Oil from Four Cultivars
\begin{table}
\begin{tabular}{c c c c c c c c c c c} \hline \hline \multirow{2}{*}{**No.**} & \multirow{2}{*}{**Name**} & \multirow{2}{*}{**CAS**} & \multicolumn{2}{c}{**RI \({}^{*}\)**} & \multirow{2}{*}{**MF**} & \multirow{2}{*}{**\(\underline{\mathcal{C}}\)**} & \multirow{2}{*}{**ID**} & \multicolumn{2}{c}{**Relative Concentration (\(\Omega^{-1}\) mg/mL)**} & \multirow{2}{*}{**Wiki Tu**} \\  & & & & & & & & & & & \\  & & & & & & & & & & & \\ \hline
**148** & Flavone & 525-82-6 & 2225 (2180) & 98.1 & - & MS, RL, LR & 160.17 \(\pm\) 4.76\({}^{\rm h}\) & 153.53 \(\pm\) 0.46\({}^{\rm h}\) & 105.00 \(\pm\) 5.85\({}^{\rm a}\) & 161.06 \(\pm\) 0.61\({}^{\rm h}\) \\ \hline
**149** & Tricosane & 638-67-5 & 2299 (2300) & 95.4 & H & MS, RI & 1.18 \(\pm\) 0.04\({}^{\rm h}\) & 0.68 \(\pm\) 0.02\({}^{\rm a}\) & 1.41 \(\pm\) 0.05\({}^{\rm c}\) & 0.71 \(\pm\) 0.02\({}^{\rm a}\) \\ \hline
**150** & Fumaric acid, decyl & 1000348-89-0 & 2376 (NA) & 82.7 & A & MS & 3.34 \(\pm\) 0.08\({}^{\rm h}\) & nd & 1.74 \(\pm\) 0.17\({}^{\rm a}\) & 1.68 \(\pm\) 0.01 \({}^{\rm a}\) \\ \hline
**151** & Lignororuc alcohol & 506-51-4 & 2394 (NA) & 95.3 & C & MS & 2.06 \(\pm\) 0.09 \({}^{\rm h}\) & 1.08 \(\pm\) 0.22\({}^{\rm a}\) & 2.33 \(\pm\) 0.11\({}^{\rm h}\) & 0.93 \(\pm\) 0.25\({}^{\rm a}\) \\ \hline
**152** & Tetracosane & 646-31-1 & 2400 (2400) & 94.4 & H & MS, RI & 1.11 \(\pm\) 0.03 \({}^{\rm c}\) & 0.76 \(\pm\) 0.01\({}^{\rm h}\) & 0.60 \(\pm\) 0.05\({}^{\rm h}\) & 0.53 \(\pm\) 0.05\({}^{\rm a}\) \\ \hline
**153** & Pregenylboutsole & 51-03-6 & 2403 (2407) & 98.0 & I & MS, RI & nd & nd & 10.84 \(\pm\) 0.08\({}^{\rm c}\) & 4.00 \(\pm\) 0.03\({}^{\rm h}\) \\ \hline
**154** & 1-Hexosane & 18835-31 & 2595 (2596) & 95.2 & H & MS, RI & nd & 1.93 \(\pm\) 0.01\({}^{\rm a}\) & 3.00 \(\pm\) 0.11\({}^{\rm a}\) & nd \\ \hline
**155** & Tetracosane & 5786-08-7 & 2634 (K623) & 91.9 & G & MS, RI & 6.70 \(\pm\) 0.09\({}^{\rm h}\) & 1.39 \(\pm\) 0.09\({}^{\rm a}\) & 7.81 \(\pm\) 0.64\({}^{\rm h}\) & 2.59 \(\pm\) 0.12\({}^{\rm a}\) \\ \hline
**156** & Heptacosane & 593-49-7 & 2700 (2700) & 96.1 & H & MS, RI & 4.52 \(\pm\) 0.38\({}^{\rm h}\) & 2.22 \(\pm\) 0.07\({}^{\rm a}\) & 2.74 \(\pm\) 0.05\({}^{\rm a}\) & 2.01 \(\pm\) 0.16\({}^{\rm a}\) \\ \hline
**157** & Unknown & - & 2837 (NA) & - & - & 21.00 \(\pm\) 0.28\({}^{\rm h}\) & 4.52 \(\pm\) 0.27\({}^{\rm a}\) & 20.59 \(\pm\) 3.12\({}^{\rm h}\) & 8.24 \(\pm\) 0.56\({}^{\rm a}\) \\ \hline
**158** & Unknown & - & 3040 (NA) & - & - & 17.42 \(\pm\) 1.99\({}^{\rm c}\) & 4.77 \(\pm\) 0.08\({}^{\rm a}\) & 11.19 \(\pm\) 0.63\({}^{\rm h}\) & 6.10 \(\pm\) 0.22\({}^{\rm a}\) \\ \hline \hline \multicolumn{10}{c}{**Additional Compounds Only Detected in SPME-GC-MS**} \\ \hline
**1** & 3-Octanyl acetate & 4864-61-3 & 1125 (1131) & 92.0 & A & MS, RI & - & - \\ \hline
**2** & \(\beta\)-Seline & 17066-67-0 & 1493 (1469) & 93.4 & B & MS, RL & LR \\ \hline RI \({}^{\rm a}\)—tention index calculated; RI \({}^{\rm b}\)—tention index with the NIST webbook database, NA—not recorded in database; \({}^{\rm a}\)—compounds detected in solid phase micro extraction; \({}^{\rm c}\)—compound classification, A—ester, B—sequence, C—alcohol, D—amontreboration, E—knotoperne, F—motreptene, G—aldehyde, H—thebrocarbon, I—ether, J—acid; ID, compound identification methods, MS—confirmed by mass spectrum, RI—confirmed by retention index with database, Std—confirmed by retientre hardware [27; 28]. In-and-detected, a \(\wedge\)–malicators for statistical significance among cultivars (\(p<0.05\)), identical letters indicate no statistically significant difference. \\ \hline \hline \end{tabular}
\end{table} 
Table 1: _Cont._