## 2 Results
### Volatile Compounds of the Flower Petals of N. hybrid
#### 2.2.1 Identification and Concentration of the Volatile Compounds in _N. hybrid_
\begin{table}
\begin{tabular}{c c c c c c c c c} \hline \hline
**Categories** & **RI** & **RI** & **Volatile Compounds** & **Molecular** & **Aroma Description 1** & \multicolumn{4}{c}{**Relative Content (\%) 2**} \\ \hline \multicolumn{1}{c}{Alcohols} & & & & & & & \\ \hline
1 & 1035 & 1037 & Benzyl alcohol & C\({}_{7}\)H\({}_{6}\)O & Sweet, flower & 32.57 b  & 20.25 d  & 25.27 c  & 44.55 a  \\
2 & 1160 & 1164 & Terpinen-4-ol & C\({}_{10}\)H\({}_{15}\)O & Turpentine, nutmeg & nd & 0.12 a  & nd & nd \\
3 & 1245 & 1247 & 4-Meethoxybenzyl & & & & & \\  & & alcohol & C\({}_{8}\)H\({}_{10}\)O\({}_{2}\) & & creamy & nd & 0.11 a  & nd \\
4 & 1651 & 1650 & \(\beta\)-Eudesmol & C\({}_{8}\)H\({}_{26}\)O & Wood, green & nd & nd & 0.12 a  & 0.11 a  \\
5 & 2024 & 2000 & Falcarioni & C\({}_{17}\)H\({}_{24}\)O & - & nd & 0.12 a  & nd & nd \\
6 & 2060 & 2069 & 2-Hexyl-1-octanol & C\({}_{17}\)H\({}_{20}\)O & - & nd & nd & 0.11 a  \\
7 & 2201 & 2201 & \multicolumn{4}{c}{Geranylgeraniol} & C\({}_{20}\)H\({}_{34}\)O & - & 0.18 a  & 0.11 b  & 0.12 b  & nd \\ Total & & & & & & & 32.75 b  & 20.73 d  & 25.62 c  & 44.77 a  \\ \hline \multicolumn{1}{c}{Esters} & & & & & & & & \\ \hline
8 & 1165 & 1169 & Butyric acid & C\({}_{10}\)H\({}_{18}\)O\({}_{2}\) & - & nd & nd & 0.14 a  \\
9 & 1172 & 1166 & Benzyl acetate & C\({}_{9}\)H\({}_{10}\)O\({}_{2}\) & Fresh, boiled & & & & \\
10 & 1195 & 1193 & Methyl salicate & C\({}_{8}\)H\({}_{8}\)O\({}_{3}\) & Peppermint & nd & 0.11 b  & 0.36 a  \\
11 & 1380 & 1370 & cis-3-Hexenyl & Fruit, prune & nd & nd & 0.11 b  & 0.77 a  \\
12 & 1386 & 1379 & Hexyl hexanoate & C\({}_{12}\)H\({}_{24}\)O\({}_{2}\) & Apple peel, peach & nd & nd & 0.14 a  \\
13 & 1415 & 1413 & Anisyl acetate & C\({}_{10}\)H\({}_{12}\)O\({}_{3}\) & Floral, anisic, fruity & nd & nd & 0.88 a  & nd \\ Total & & & & 0.61 b  & 0.29 b  & 13.28 a  & 1.27 b  \\ \hline \multicolumn{1}{c}{Aldehydes} & & & & & & & \\ \hline
14 & 960 & 963 & Benzaldehyde & C\({}_{7}\)H\({}_{6}\)O & Cherry, fruity & 0.98 b  & 0.56 c  & 6.62 a  & 1.94 b  \\
15 & 1081 & 1083 & Nonanal & C\({}_{9}\)H\({}_{19}\)O & Fat, citrus, green & nd & nd & 0.11 a  \\
16 & 1188 & 1205 & Decanal & C\({}_{10}\)H\({}_{20}\)O & Soap, & & & & \\
17 & 1255 & 1252 & p-Anisaldehyde & C\({}_{8}\)H\({}_{8}\)O\({}_{2}\) & Mint, sweet & nd & 0.60 a  & nd \\
18 & 1785 & 1797 & Hexadecan & C\({}_{16}\)H\({}_{20}\)O & Cardboard & 0.18 b  & 0.21 a  & nd & nd \\
19 & 1798 & 1798 & (Z)-7-Hexadecan & C\({}_{16}\)H\({}_{20}\)O & - & nd & nd & 0.11 a  \\
20 & 2021 & 2012 & Octadecan & C\({}_{18}\)H\({}_{26}\)O & - & nd & 0.12 a  & nd & nd \\ Total & & & & & 1.16 c  & 0.89 c  & 7.22 a  & 2.33 b [FOOTTE:d]Footnote d: footnotemark: [ENDFOOTNOTE] \\ \hline \hline \end{tabular}
\end{table} 
Table 1: Volatile compounds released from the flower petals of _N. hybrid_. Figure 4: GC-MS total ion chromatograms (TICs) for the volatile chemical profiles of _N. hybrid_. \begin{table}
\begin{tabular}{c c c c c c c c c c} \hline \hline \multirow{2}{*}{**Categories**} & **RI** & **RI** & \multirow{2}{*}{**Volatile Compounds**} & **Molecular** & \multirow{2}{*}{**Aroma Description 1**} & \multicolumn{4}{c}{**Relative Content (\%)2**} \\  & **(exp. )** & **(lit.