Table 4.
Correlation plot (n = 21) showing correlation coefficient and associated p values (* = p < 0.05; **p < 0.01, *** = p < 0.001) for m/z 49 (methanethiol); m/z 51 (34S-methanethiol), m/z 79 (dimethyl dilsufide, dimethyl trisulfide), m/z 93 (2,3,5-trithiahexane, dimethyl trisulfide), m/z 95 (dimethyl disulfide), m/z 111 (CH3S3+), m/z 127 (dimethyl trisulfide), sum of total volatiles (Total AUC) and odor attributes (garlic, green, intensity) measured on a 100 mm line scale.
| methanethiol (m/z 49) | - | ||||||||||
| 34S-methanethiol (m/z 51) | 0.37 | - | |||||||||
| fragment DMDS, DMTS (m/z 79) | 0.49 * | 0.23 | - | ||||||||
| fragment TTH, DMTS (m/z 93) | 0.38 | 0.87 *** | 0.45 * | - | |||||||
| dimethyl disulfide (m/z 95) | 0.75 *** | 0.43 * | 0.81 *** | 0.55 ** | - | ||||||
| fragment DMTS(m/z 111) | 0.19 | 0.73 *** | 0.4 | 0.86 *** | 0.35 | - | |||||
| dimethyl trisulfide (m/z 127) | 0.28 | 0.85 *** | 0.26 | 0.96 *** | 0.42 | 0.85 *** | - | ||||
| Total AUC | 0.95 *** | 0.57 ** | 0.65 ** | 0.62 ** | 0.87 *** | 0.42 | 0.50 *** | - | |||
| Garlic odor | 0.005 | 0.28 | 0.38 | 0.34 | 0.24 | 0.22 | 0.23 | 0.15 | - | ||
| Green odor | -0.041 | -0.52 ** | -0.22 | -0.60 ** | -0.24 | -0.51 * | -0.57 ** | -0.22 | -0.70 *** | - | |
| Odor intensity | 0.19 | 0.3 | 0.49 * | 0.42 | 0.46 * | 0.32 | 0.34 | 0.34 | 0.90 *** | -0.67 *** | - |
| m/z 49 | m/z 51 | m/z 79 | m/z 93 | m/z 95 | m/z 111 | m/z 127 | Total AUC | garlic | green | intensity |