## Appendix A
\begin{table}
\begin{tabular}{l l c c c c c c c c c c c c c c c c} \hline \hline \multirow{2}{*}{**Peak**} & \multirow{2}{*}{**Constituents**} & \multirow{2}{*}{**R\({}_{\text{total}}\)**} & \multirow{2}{*}{**R\({}_{\text{init}}\)**} & \multicolumn{6}{c}{**Raw Milk \({}^{\ddagger}\)**} & \multicolumn{6}{c}{**Suero Costenko \({}^{\ddagger}\)**} \\ \cline{3-14}  & & & & **L1** & **L3** & **L4** & **L7** & \({}^{\ddagger}\)** & **L1** & \({}^{\ddagger}\)** & **L2** & \({}^{\ddagger}\)** & **L3** & \({}^{\ddagger}\)** & **L4** & \({}^{\ddagger}\)** & **L5** & \({}^{\ddagger}\)** & **L6** & \({}^{\ddagger}\)** & **L7** & \({}^{\ddagger}\)** & **L8** \\ \hline
1 & Acetone \({}^{\ddagger}\) & — & 471 & 2.5 & 0.7 & 0.3 & 2.3 & — & — & — & — & — & 0.07 & — & — & — \\ \hline
2 & Ethanol \({}^{\ddagger}\) & — & 482 & — & — & — & — & 0.9 & 3.3 & 2.2 & 0.6 & 0.2 & 1.1 & 2.4 & 2.5 \\ \hline
3 & Ethyl acetate \({}^{\ddagger}\) & — & 615 & — & — & — & — & 0.8 & 3.8 & 7.2 & & 0.6 & 3.0 & 1.8 & 3.5 \\ \hline
4 & Diacetyl & — & 616 & — & — & — & — & — & — & — & — & — & — & 2.0 & — & — \\ \hline
5 & Acetic acid \({}^{\ddaggeragger}\)–C2.0 & — & 646 & 8.2 & 0.7 & 0.6 & — & 2.2 & 3.9 & 1 & 1.1 & — & 1.0 & 2.4 & 2.4 \\ \hline
6 & Acetoin & 727 & 717 & — & 0.1 & 0.2 & — & 1.4 & 0.7 & 1.2 & 3.4 & 0.8 & 2.8 & 1.3 & 1.4 \\ \hline
7 & Isoamyl alcohol & 749 & 741 & 1.3 & 5.0 & 0.5 & — & 2.5 & 2.9 & 2.7 & 1.9 & 1.5 & 2.8 & 1.4 & 1.4 \\ \hline
8 & Isobutyric acid—C40 & 754 & 752 & — & — & — & — & — & 0.2 & — & — & 1.5 & — & — \\ \hline
9 & Pentamol & 757 & 752 & 1.3 & 0.7 & 0.7 & — & — & 1.0 & — & 2.7 & — & 2.7 & — & 2.1 \\ \hline
10 & Butyric acid—C40 & 776 & 775 & 1.4 & 0.8 & 0.3 & 0.6 & 0.8 & 0.4 & 0.2 & — & 1.6 & 1.3 & 0.5 & 0.6 \\ \hline
11 & Toluence & 778 & 771 & 1.3 & 0.04 & 0.3 & 0.3 & — & — & — & — & — & — & 0.4 & — \\ \hline
12 & Ethyl butyrate & 784 & 785 & — & — & — & — & — & 1.1 & 0.7 & — & — & 0.7 & — & 0.7 \\ \hline
13 & Isovaleric acid—C50 & 849 & 851 & — & 0.3 & — & — & — & 0.2 & trace & — & — & 0.5 & — & 0.3 \\ \hline
14 & 2-Farnmethanol & 852 & 849 & — & — & — & — & — & — & — & — & — & 0.4 & — & — \\ \hline
15 & 2-Methylbutanoic acid—C50 & 860 & 861 & — & 0.2 & — & — & — & — & — & — & — & 0.4 & — & 0.2 \\ \hline
16 & 5-Methyl-2-hexanone & 870 & 865 & 1.4 & 0.3 & 0.07 & 0.4 & 0.2 & — & 0.2 & 0.8 & 0.1 & 1.3 & — & 0.04 \\ \hline
17 & Valeric acid \({}^{\ddaggeragger}\)–C50 & 870 & 880 & — & 0.3 & — & — & — & 0.07 & — & — & — & 0.4 & — & — \\ \hline
18 & 2-Heptanol & 873 & 877 & — & — & — & — & — & — & 0.4 & — & — & 1.6 & — & — \\ \hline
19 & 2-Heptanone & 877 & 880 & 2.0 & 0.3 & 0.08 & 0.8 & 0.2 & — & — & 1.3 & 0.09 & 0.4 & — & — \\ \hline
20 & Styrene & 882 & 887 & 3.1 & 0.3 & 0.07 & 0.7 & 0.2 & 0.4 & 0.4 & 0.4 & — & — & 0.05 \\ \hline
21 & 2,6-Dimethyl-4-heptanol & 913 & — & — & 1.8 & — & — & — & — & — & — & — & — & — & — \\ \hline
22 & Tricyclene & 919 & 920 & — & — & 0.1 & 0.02 & — & — & 0.4 & 0.05 & — & — & 0.05 \\ \hline
23 & Benzaldehyde & 920 & 923 & — & — & — & & 0.03 & — & — & — & — & — & — \\ \hline \hline \end{tabular}
\end{table} 
Table 1: Identification of constituents (0.1%) present in the volatile fractions by HS-SPME of the raw milk and suero costenko samples from eight locations of Cordoba (Colombia).