# Evaluation of Garlic Landraces from Foggia Province (Puglia Region; Italy)
## 3 Results and Discussion
### Volatile Compounds
\begin{table}
\begin{tabular}{c c c c c c c c c c c} \hline \hline \multirow{2}{*}{**RT 1\({}^{\,\,1}\)**} & \multirow{2}{*}{**Volatile Compounds**} & \multirow{2}{*}{**MW 2\({}^{\,\,2}\)**} & \multirow{2}{*}{**m/z ions**} & \multicolumn{6}{c}{**Genotype 3\({}^{\,\,3}\)**} & \multicolumn{2}{c}{**Signification**} \\  & & & & **CG** & **Cortigli** & **Peschid** & **Monteleone** & **Anzano** & **Panni** & **Panni** & **Panni** & **cance 4\({}^{\,\,4}\)** \\ \hline \multicolumn{1}{c}{_total_} & & & 14.98\({}^{\,\,2}\) & 1.72 \(\pm\) & 3.35 \(\pm\) & 1.50 \(\pm\) & 2.11 \(\pm\) & 1.81 \(\pm\) & 2.69 \(\pm\) & *** \\ \multicolumn{1}{c}{_S-compounds_} & & & 11.77\(\pm\) & 1.64 \(\pm\) & 3.12 \(\pm\) & 1.43 \(\pm\) & 2.00 \(\pm\) & 1.70 \(\pm\) & 2.48 \(\pm\) & *** \\
1.43 & di-methyl+sulphide \({}^{\,6}\) & 62 & 62,47,35 & 0.044 \(\pm\) & 0.001 \(\pm\) & 0.000 \(\pm\) & 0.001 \(\pm\) & 0.002 \(\pm\) & 0.000 \(\pm\) & 0.000 \(\pm\) & * \\
1.71 & 1 -proponent & 76 & 76,47,43 & 0.149 \(\pm\) & 0.003 \(\pm\) & 0.003 \(\pm\) & 0.004 \(\pm\) & 0.034 \(\pm\) & 0.003 \(\pm\) & 0.045 \(\pm\) & ns \\
2.03 & propylene-sulphide \({}^{\,74}\) & 74 & 41,47,46 & 0.219 \(\pm\) & 0.008 \(\pm\) & 0.006 \(\pm\) & 0.006 \(\pm\) & 0.007 \(\pm\) & 0.015 \(\pm\) & 0.009 \(\pm\) & 0.002 \(\pm\) & *** \\
3.57 & di-allyl+sulphide (DAS) \({}^{\,6}\) & 114 & 45,41,27,33,90 & 0.316a \(\pm\) & 0.009 \(\pm\) & 0.023 \(\pm\) & 0.014 \(\pm\) & 0.010 \(\pm\) & 0.012 \(\pm\) & 0.021 \(\pm\) & *** \\
4.86 & methyl+2-propensity-disulphide & 120 & 120,41,45 & 0.906 \(\pm\) & 0.017 \(\pm\) & 0.008 \(\pm\) & 0.016 \(\pm\) & 0.039 \(\pm\) & 0.008 \(\pm\) & 0.007 \(\pm\) & *** \\
4.91 & trans-propensity-methyl+disulphide & 120 & 73,12,045 & 0.088 \(\pm\) & 0.001 \(\pm\) & 0.009 \(\pm\) & 0.010 \(\pm\) & 0.006 \(\pm\) & 0.001 \(\pm\) & 0.005 \(\pm\) & * \\
5.89 & di-methyl+trisulphide & 126 & 126,45,97 & 0.187 \(\pm\) & 0.001 \(\pm\) & 0.021 \(\pm\) & 0.001 \(\pm\) & 0.001 \(\pm\) & 0.005 \(\pm\) & 0.000 \(\pm\) & 0.000 \(\pm\) & *** \\
6.69 & metaproacetic acid & 92 & 47,459,000 & 0.002 \(\pm\) & 0.002 \(\pm\) & 0.001 \(\pm\) & 0.001 \(\pm\) & 0.005 \(\pm\) & 0.000 \(\pm\) & 0.000 \(\pm\) & 0.000 \(\pm\) & *** \\
6.86 & di-allyl+disulphide (DAS) \({}^{\,6}\) & 146 & 41,81,39 & 0.929 a \(\pm\) & 0.304 c \(\pm\) & 0.478 b \(\pm\) & 0.335 \(\pm\) & 0.369 b \(\pm\) & 0.281 c \(\pm\) & 0.402 b \(\pm\) & *** \\
7.93 & methyl+ally-disulphide & 152 & 573,745 & 0.522a \(\pm\) & 0.054 cd \(\pm\) & 0.306 \(\pm\) & 0.039 \(\pm\) & 0.412 \(\pm\) & 0.017 d \(\pm\) & 0.013 d \(\pm\) & *** \\
9.27 & 3-vinyl+1-2-dimitha & 144 & 45,144,27 & 2.203 \(\pm\) & 0.250 \(\pm\) & 0.244 \(\pm\) & 0.201 \(\pm\) & 0.303 \(\pm\) & 0.286 \(\pm\) & 0.439 b \(\pm\) & 0.499 b \(\pm\) & *** \\
9.49 & 2-vinyl-1-3-dimitha & 146 & 74,724,5 & 0.222a \(\pm\) & 0.024 b \(\pm\) & 0.037 \(\pm\) & 0.020 \(\pm\) & 0.051 \(\pm\) & 0.021 b \(\pm\) & 0.046 b \(\pm\) & *** \\
9.73 & di-alkyl+trisulphide (DAS) \({}^{\,78}\) & 178 & 73,411,312 & 1.294 \(\pm\) & 0.521 c \(\pm\) & 1.138 b \(\pm\) & 0.461 \(\pm\) & 0.528 \(\pm\) & 0.575 b \(\pm\) & 0.721 d \(\pm\) & *** \\
10.20 & 3-vinyl-1-2-dimitha & 147 & 27,714,4 & 4.766 \(\pm\) & 0.389 b \(\pm\) & 0.555 b \(\pm\) & 0.305 b \(\pm\) & 0.457 b \(\pm\) & 0.435 b \(\pm\) & 0.682 b \(\pm\) & *** \\
10.52 & 3-vinyl+1-2-dimitha & 144 & 72,71,144 & 0.000 d \(\pm\) & 0.008 bc \(\pm\) & 0.002 cd \(\pm\) & 0.004 b \(\pm\) & 0.021 a \(\pm\) & 0.010 b \(\pm\) & 0.017 a \(\pm\) & *** \\
10.56 & & & & & & & & & & & & \\ \multicolumn{1}{c}{_Allion_} & 162 & 41,45,72 & 0.049 a \(\pm\) & 0.011 b \(\pm\) & 0.022 b \(\pm\) & 0.007 b \(\pm\) & 0.019 b \(\pm\) & 0.009 b \(\pm\) & 0.009 b \(\pm\) & *** \\  & & & & & & & & & & & & \\ \multicolumn{1}{c}{_Non-sulfur compounds_} & & & 3.22 \(\pm\) & 0.059 \(\pm\) & 0.24 \(\pm\) & 0.07 \(\pm\) & 0.10 \(\pm\) & 0.10 \(\pm\) & 0.10 \(\pm\) & 0.31 b \(\pm\) & *** \\ \multicolumn{1}{c}{_Aldehydes_} & & & 1.01 \(\pm\) & 0.01 b \(\pm\) & 0.11 b \(\pm\) & 0.00 \(\pm\) & 0.01 b \(\pm\) & 0.02 b \(\pm\) & 0.08 b \(\pm\) & *** \\
2.71 & 2-butanol (cotobaldehyde) \({}^{\,6}\) & 70 & 41,39,70 & 0.564 a \(\pm\) & 0.009 b \(\pm\) & 0.107 b \(\pm\) & 0.000 b \(\pm\) & 0.013 b \(\pm\) & 0.017 b \(\pm\) & 0.072 b \(\pm\) & *** \\
3.05 & 2-butanol-2-methyl & 84 & 55,84,29,20 & 0.248 a \(\pm\)A large variation in the amount of (S)-volatile compounds was observed between the GC and the collected landraces (15.0 vs. 2.2 mg kg\({}^{-1}\) dw--total volatile compounds; 12.0 vs. 2.0 mg kg\({}^{-1}\) dw--S-compounds).