Table 7.
Change in the emission flux of VOCs from the LL phase to the P phase.
| VOC | Functional group | Mild group*1 | Severe group*1 | p-value*2 | |
|---|---|---|---|---|---|
| Cubital Fossa | |||||
| 2-decanone | Ketone | −0.04 ± 0.15 | 0.19 ± 0.20 | 0.036 | |
| 2-ethyl-1-hexanol | Alcohol | −3.77 ± 8.07 | 6.55 ± 12.75 | 0.037 | |
| Acetone | Ketone | −8.65 ± 14.05 | 6.29 ± 13.70 | 0.037 | |
| 2-hexanone | Ketone | −0.52 ± 1.43 | −0.22 ± 3.29 | 0.076 | |
| Decanoic acid | Fatty acid | −5.41 ± 9.06 | 2.59 ± 6.61 | 0.078 | |
| Nonanoic acid | Fatty acid | −3.93 ± 8.25 | 3.80 ± 5.74 | 0.078 | |
| Acetic acid | Fatty acid | 4.48 ± 8.34 | −6.70 ± 11.54 | 0.078 | |
| Armpit | |||||
| Acetone | Ketone | −10.01 ± 7.16 | 10.30 ± 11.11 | 0.010 | |
| Nonanoic acid | Fatty acid | −7.94 ± 8.90 | 2.32 ± 7.64 | 0.055 | |
| 2-nonanone | Ketone | −0.03 ± 0.18 | 0.41 ± 0.44 | 0.055 | |
| γ-hexanolactone | lactone | −0.14 ± 1.91 | 1.60 ± 2.47 | 0.055 | |
| 2-hexenal | Aldehyde | −1.13 ± 2.49 | 2.54 ± 3.37 | 0.076 | |
| 2-octanone | Ketone | −0.61 ± 0.96 | 2.55 ± 5.70 | 0.078 | |
LL: late luteal; P: preovulatory; VOC: volatile organic compound.
*1: mean ± standard devition (ng cm-2 h-1) *2: p-values were calculated using the Mann–Whitney U test.