## 2 Materials and Methods
### Isolation of Volatiles
\begin{table}
\begin{tabular}{l l l l l l l} \hline \hline
**Harvest Season** & **Cultivar** & **Flesh Type** & **Pit Adherence** & **Flesh Color** & **Acidity** & **Harvest Date 1 ** \\ \hline \multirow{6}{*}{Early} & Carored & Melting & Clingstone & Yellow & Standard & 18 May \\  & Fiesta Gem & Melting & Clingstone & Yellow & Standard & 22 May \\  & Flavorich & Melting & Clingstone & Yellow & Standard & 14 May \\  & Goldprince & Melting & Clingstone & Yellow & Standard & 26 May \\  & Rubyprince & Melting & Clingstone & Yellow & Standard & 27 May \\  & Springflame & Nonmelting & Clingstone & Yellow & Standard & 19 May \\  & Springprince & Nonmelting & Clingstone & Yellow & Standard & 18 May \\  & Zee Diamond & Nonmelting & Clingstone & Yellow & Standard & 18 May \\ \hline \multirow{6}{*}{Mid} & Blazeprince & Melting & Freestone & Yellow & Standard & 14 June \\  & Caroking & Melting & Semifreestone & Yellow & Standard & 15 June \\  & Early Elberta & Melting & Freestone & Yellow & Standard & 23 June \\  & Encore & Melting & Freestone & Yellow & Standard & 23 June \\  & Fireprince & Melting & Freestone & Yellow & Standard & 23 June \\  & Gala & Melting & Semifreestone & Yellow & Standard & 2 June \\  & Harvester & Melting & Freestone & Yellow & Standard & 9 June \\  & Junefire & Melting & Freestone & Yellow & Standard & 16 June \\  & Juneprince & Melting & Semifreestone & Yellow & Standard & 1 June \\  & Majestic & Melting & Freestone & Yellow & Standard & 23 June \\  & Rich Lady & Nonmelting & Semifreestone & Yellow & Standard & 9 June \\  & Rich Pride & Nonmelting & Clingstone & Yellow & Standard & 8 June \\  & Scarletprince & Melting & Freestone & Yellow & Standard & 30 June \\  & Sierra Rich & Melting & Freestone & Yellow & Standard & 16 June \\  & Southern Pearl & Melting & Semifreestone & White & Standard & 8 June \\  & Sureprince & Melting & Semifreestone & Yellow & Standard & 2 June \\  & White Lady & Melting & Freestone & White & Low acid & 25 June \\  & Zee Pride & Nonmelting & Clingstone & Yellow & Standard & 1 June \\ \hline \multirow{6}{*}{Late} & August Lady & Melting & Freestone & Yellow & Standard & 27 July \\  & Augustprince & Melting & Freestone & Yellow & Standard & 12 July \\  & Early August Prince & Melting & Freestone & Yellow & Standard & 12 July \\  & Early Big Red & Melting & Freestone & Yellow & Standard & 20 July \\  & Fairtime & Melting & Freestone & Yellow & Standard & 20 July \\  & Fat Lady & Melting & Freestone & Yellow & Standard & 21 July \\  & Flamemprince 27 & Melting & Freestone & Yellow & Standard & 29 July \\  & Flamempreze 29 & Melting & Freestone & Yellow & Standard & 29 July \\  & Julyprince & Melting & Freestone & Yellow & Standard & 1 July \\  & O’Henry & Melting & Freestone & Yellow & Standard & 29 July \\  & Elberta & Melting & Freestone & Yellow & Standard & 13 July \\  & Elberta \#2 2  & Melting & Freestone & Yellow & Standard & 21 July \\  & Red Globe & Melting & Freestone & Yellow & Standard & 6 July \\  & Ruston Red & Melting & Freestone & Yellow & Standard & 7 July \\  & Summerflame & Melting & Freestone & Yellow & Standard & 14 July \\  & Summerflame1 & Melting & Freestone & Yellow & Standard & 14 July \\ \hline \hline \end{tabular}
\end{table} 
Table 1: List of the 42 peach cultivars and their characteristics, grown in Georgia, United States of America, in 2016.  
at 270 \({}^{\circ}\)C in splitless mode. After each injection of volatiles, the fiber was conditioned at 250 \({}^{\circ}\)C for 20 min.