# Analysis of the Aroma Chemical Composition of Commonly Planted Kiwifruit Cultivars in China
## 3 Results and Discussion
### HS-SPME-GC-MS Analysis
#### 3.1.2 HS-SPME-GC-MS Analysis of Volatile Components in Kiwifruit Samples
\begin{table}
\begin{tabular}{c c c c c c} \hline \hline
**NO.** & **Compounds** & **RI \({}^{\text{a}}\)** & **CAS \({}^{\text{b}}\)** & **Concentration Range** & **Cultivars \({}^{\text{c}}\)** \\ \hline _Aldehydes_ & & & & & \\
55 & Ethyl aldehyde & 408 & 75-07-0 & 0.00–10.07 & 17 \({}^{\text{S}}\) \\
56 & Hexanal & 806 & 66-25-1 & 0.00–1671.57 & 19 \({}^{\text{A,H}}\) \\
57 & (E)-2-Hexanal & 814 & 6728-26-3 & 15.89–6227.87 & 23 \({}^{\text{S,A,H}}\) \\
58 & 2-Heptrenal & 913 & 57266-86-1 & 0.00–79.07 & 13 \({}^{\text{S}}\) \\
59 & (E)-2-Octenal & 1013 & 2548-87-0 & 0.00–39.58 & 10 \({}^{\text{S}}\) \\
60 & 2-Methylbenzamidealdehyde & 1095 & 529-20-4 & 0.00–2.30 & 1 \\
61 & Nonanal & 1104 & 124-19-6 & 0.00–9.77 & 2 \({}^{\text{H}}\) \\
62 & _trans_-2-_cis_-6-Nonadienal & 1120 & 557-48-2 & 0.00–2.90 & 2 \({}^{\text{S}}\) \\
63 & (E)-2-Nonneal & 1112 & 18829-56-6 & 0.00–22.92 & 10 \({}^{\text{H}}\) \\
64 & 4-Ethylbenzaldehyde & 1195 & 4748-78-1 & 0.00–16.44 & 4 \\
65 & Decanal & 1204 & 112-31-2 & 0.00–18.70 & 17 \({}^{\text{S}}\) \\
66 & (E)-2-Decenal & 1212 & 3913-81-3 & 0.00–2.91 & 2 \\
67 & Hexacosanal & - & 26627-85-0 & 0.00–1.85 & 1 \\ \hline _Ketones_ & & & & & \\
68 & Acetone & 455 & 67-64-1 & 0.00–0.20 & 1 \({}^{\text{A}}\) \\
69 & 1-Penten-3-one & 644 & 1629-58-9 & 0.00–38.43 & 9 \({}^{\text{S}}\) \\
70 & 4-Methyl-3-heptanone & 888 & 6137-11-7 & 0.00–1.77 & 1 \\
71 & 1-Octen-3-one & 943 & 4312-99-6 & 0.00–9.21 & 7 \({}^{\text{S}}\) \\
72 & 2-Octanone & 952 & 111-13-7 & 0.00–1.79 & 1 \\
73 & 4,5-Dimethyl-4-hexen-3-one & 915 & 17325-90-5 & 0.00–5.31 & 8 \({}^{\text{H}}\) \\
74 & (E)-4-methylhept-4-en-3-one & 938 & 22319-31-9 & 0.00–1.00 & 1 \\
75 & Acetophenone & 1029 & 98-86-2 & 0.00–8.91 & 3 \\
76 & 2,6-dimethyl-7-ocen-4-on & - & 1879-00-1 & 0.00–2.10 & 2 \\
77 & 3-Nonanone & 1052 & 925-78-0 & 0.00–145.93 & 15 \({}^{\text{A,H}}\) \\
78 & 3-Decanone & 1151 & 928-80-3 & 0.00–0.83 & 1 \\
79 & 1-Hydroxy-2-butanone & 798 & 5077-67-8 & 0.00–11.75 & 1 \\
80 & 1-(3,4-dimethylphenyl)+ethanol & 1255 & 3637-01-2 & 0.00–4.52 & 1 \\
81 & p-ethylacetophenone & 1242 & 937-30-4 & 0.00–3.98 & 1 \\
82 & 2,6-Di-tert-butyl-1,4-benzoquinone & 1633 & 719-22-2 & 0.00–49.68 & 1 \\
83 & 3-Amino-5-morpholinomethyl-2- & 1844 & 43056-63-9 & 0.00–140.65 & 1 \\ \multicolumn{5}{c}{oxazolidine} \\ \hline _Acids_ & & & & & \\
84 & Dodecane & 1214 & 112-40-3 & 0.00–6.26 & 3 \\
85 & Hexadecane & 1612 & 544-56-3 & 0.00–0.90 & 1 \\
86 & n-Hexadecanoic acid & 1968 & 57-10-3 & 0.00–21.51 & 3 \\
87 & Octadecanoic acid & 2167 & 57-11-4 & 0.00–3.00 & 1 \\ \hline _Alkanes_ & & & & & \\
88 & Isopentane & 454 & 78-78-4 & 0.00–1.98 & 1 \\
89 & Isohexane & 554 & 107-83-5 & 0.00–17.16 & 9 \({}^{\text{A}}\) \\
90 & 3-Methylpentane & 554 & 96-14-0 & 0.00–8.89 & 10 \({}^{\text{A,H}}\) \\
91 & Methylcyclopentane & 661 & 96-37-7 & 0.00–10.79 & 8 \({}^{\text{A}}\) \\
92 & Cyclohexane & 719 & 110-82-7 & 0.00–5.14 & 5 \({}^{\text{A}}\) \\
93 & 1-propoxy-Butane & 793 & 3073-92-5 & 0.00–21.23 & 1 \\
94 & 2,4-Dimethylheptane & 788 & 2213-23-2 & 0.00–3.43 & 1 \\
95 & Nonane & 916 & 111-84-2 & 0.00–4.42 & 1 \\
96 & 2,2,4,6,6-Pentamethylheptane & 981 & 13475-82-6 & 0.00–4.78 & 16 \({}^{\text{H}}\) \\
97 & 2,2-Dimethyldecane & 1130 & 17302-37-3 & 0.00–3.65 & 1 \\
98 & _cis_-1-hexyl-1-2-propyl-Cyclopropane & 1178 & 74630-58-3 & 0.00–31.78 & 2 \\
99 & 2,5-dimethylundecane & 1185 & 17301-22-3 & 0.00–6.90 & 1 \\
100 & Nonlycyclopropane & 1216 & 74663-85-7 & 0.00–13.89 & 19 \({}^{\text{A,H}}\) \\
101 & 2-methyl-5-propyl-Nonane & 1185 & 31081-17-1 & 0.00–0.84 & 1 \\
102 & 3-Acetoxyrtidecane & 1615 & - & 0.00–1.37 & 1 \\
103 & 4,6-dimethyl-Dodecane & 1285 & 61141-72-8 & 0.00–5.75 & 5 \\
104 & Tetradecane & 1413 & 629-59-4 & 0.00–53.06 & 1 \\ \hline \hline \end{tabular}
\end{table} 
Table 2: _Cont._