Table 3 A selection of endogenous metabolites obtained in Tukey HSD post-hoc test for females not taking oral contraceptives (FnOC, n = 34) and females taking oral contraceptives (FOC, n = 16)

From: New perspectives on ‘Breathomics’: metabolomic profiling of non-volatile organic compounds in exhaled breath using DI-FT-ICR-MS

Chemical formula

Putative identity

Expression ratio (fold change)

Intensities

C8H9NO3

Pyridoxal

1.14

FnOC > FOC

C11H15NO2

N-Methylsalsolinol

1.18

FnOC > FOC

C9H10O4

Homovanillic acid

1.47

FnOC > FOC

C7H10O6

3-Dehydroquinic acid

1.24

FnOC > FOC

C3H7NO4S

Cysteinesulfinic acid

0.82

FOC > FnOC

C18H32O2

(alpha-gamma) Linoleic acid

1.37

FnOC > FOC

C9H17NO4

Acetylcarnitine

1.17

FnOC > FOC

C19H31NO4

Dodeca-3,6,9-trienoylcarnitine

1.52

FnOC > FOC

C18H26O3

4-Oxo-9,11,13,15-octadeca-tetraenoic acid

1.88

FnOC > FOC

C19H36O5

Diacylglycerols

0.90

FOC > FnOC

C21H40O5

0.92

  1. These metabolites were also identified in a fold change analysis. Intensities of metabolites were found significantly higher in the firstly mentioned group. Expression ratios were obtained from the fold change analysis.
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