## 2 Results
### Volatiles in Korla Pear
\begin{table}
\begin{tabular}{c c c c} \hline \hline
**Compounds** & **Retention Index (RD)** & **Concentration Range** &
\begin{tabular}{c} **Average Concentration** \\ **(ug/kg FW)** \\ \end{tabular} \\ \hline Methyl hexanoate & 925 & 0.00–11.27 & 1.62/0.01 \\ Acrylic acid isoamyl ester & 940 & 3.61–24.71 & 10.80/0.04 \\ Ethyl hexanoate & 1000 & 0.00–5.12 & 0.85/- \\ (Z)-3-Hexen-1-yl acetate & 1005 & 152.86–2501.62 & 780.49/2.56 \\ hexyl acetate & 1011 & 82.43–818.52 & 345.54/1.13 \\ (2Z)-2-Hexen-1-yl acetate & 1016 & 0.00–27.32 & 72.59/0.24 \\ Herply acetate & 1113 & 0.00–22.30 & 8.38/0.03 \\ Hexyl butyrate & 1192 & 0.00–54.56 & 17.26/0.06 \\ (\(E\))-Butanoic acid-2-hexenyl ester & 1195 & 1.16–31.02 & 9.32/0.03 \\ Ethyl octoate & 1196 & 0.00–0.54 & 0.07/- \\ Octyl acetate & 1210 & 0.00–4.61 & 1.39/- \\ Acetic acid-2-phenylethyl ester & 1258 & 0.00–22.06 & 5.85/0.02 \\ n-Bupyric acid 2-ethylhexyl ester & 1317 & 0.00–21.71 & 7.95/0.03 \\ Lavanduly propionate & 1375 & 0.00–14.75 & 1.74/0.01 \\ Hexanoic acid hexyl ester & 1384 & 0.00–36.33 & 9.35/0.03 \\ (\(E\))-Hexanoic acid-2-hexenyl ester & 1391 & 0.00–5.13 & 1.47/- \\ Formic acid undecyl ester & 1441 & 12.32–61.90 & 25.53/0.08 \\ Benzoic acid hexyl ester & 1580 & 0.00–13.77 & 1.60/0.01 \\
2,2,4-Trimethyl-1,3-pentanediol & 1588 & 3.05–33.60 & 12.06/0.04 \\ dissolbutyrate & 1590 & 0.00–2.92 & 0.63/- \\ Propanoic acid 2-methyl-decyl ester & 1590 & **46.52–1214.99** & **315.82/1.04** \\
**Alcohols** & & **46.52–1214.99** & 166.87/0.55 \\
1-Hexanol & 868 & 0.00–632.22 & 166.87/0.55 \\ (\(E\))-2-Octen-1-ol & 1067 & 0.00–2.60 & 0.55/- \\
1-Octanol & 1071 & 12.73–97.24 & 31.76/0.10 \\ (\(Z\))-3-Nonen-1-ol & 1156 & 0.00–5.42 & 0.62/- \\ 1-Nomanol & 1173 & 13.23–147.34 & 45.37/0.15 \\
1-methyl-4-(1-methylethyl)-Cyclohexanol & 1178 & 0.00–35.01 & 2.92/0.01 \\
9-Decen-1-ol & 1262 & 0.00–25.53 & 4.39/0.01 \\
1-Decanol & 1273 & 0.00–38.34 & 10.15/0.03 \\
1-Dodecanol & 1473 & 7.35–52.17 & 16.38/0.05 \\
1-Tetradeacanol & 1676 & 7.66–144.20 & 29.42/0.10 \\
1-Hexadecanol & 1880 & 0.00–54.61 & 8.18/0.03 \\
1-Octadecanol & 2082 & 0.00–17.92 & 2.12/0.01 \\
**Terpenes** & & **74.90–1220.67** & **482.98/1.59** \\ \(\alpha\)-Thujene & 929 & 1.93–15.79 & 5.98/0.02 \\ p-Limonene & & 34.16–937.00 & 357.05/1.17 \\ \(\gamma\)-Terpinene & 1060 & 0.00–13.83 & 5.24/0.02 \\ Linalool & 1099 & 2.03–9.05 & 4.75/0.02 \\ Isophorone & 1124 & 0.00–67.36 & 6.49/0.02 \\ trans-Limonene oxide & 1138 & 0.00–7.14 & 0.79/- \\ \(\iota\)-\(\alpha\)-Terpineol & 1190 & 0.00–18.46 & 4.62/0.02 \\ Geraniol & 1255 & 0.00–4.36 & 0.96/- \\ cis-Geranylacetone & 1435 & 0.00–65.67 & 17.84/0.06 \\ cis-\(\beta\)-Farnesene & 1444 & 0.00–0.15 & 0.01/- \\ Humulene & 1454 & 0.00–31.44 & 9.76/0.03 \\ (\(E\))-2-Dodecanel & 1468 & 0.00–8.26 & 1.02/- \\ (\(Z\),\(E\))-\(\alpha\)-Farnesene & 1491 & 0.00–2.96 & 0.25/- \\ \(\alpha\)-Farnesene & 1508 & 0.00–277.18 & 54.17/0.18 \\ \(\beta\)-Curcumene & 1514 & 0.00–3.80 & 0.97/- \\ p-Nerolidol & 1544 & 0.00–29.25 & 4.73/0.02 \\ Nerolidol & 1554 & 0.00–14.44 & 3.04/0.01 \\ Viridiflorol & 1591 & 0.00–23.10 & 3.79/0.01 \\ \(\alpha\)-Bulnesene & & 0.00–6.57 & 1.51/- \\
**Others** & & **502.16–15082.46** & **2197.67/7.22** \\
1,2-dimethyl-Benzene & 887 & 0.00–108.07 & 31.80/0.10 \\methoxy-phenyl-Oxime & & 3.12–374.30 & 120.12/0.39 \\ \hline \hline \end{tabular}
\end{table} 
Table 3: _Cont._