Table 1.

Metabolites with a potential signaling function that were present in flushings from the uterine horn ipsilateral to the side of ovulation within the first 7 days relative to ovulation

Putative identification
Cysteine sulfinate
4‐Oxoproline
Kynurenic acid
l‐Glutamic acid
l‐Glutamine
N‐Acetylaspartylglutamic acid
N‐Acetyl‐l‐aspartic acid
N‐Acetyl‐l‐leucine
Orotic acid
p‐Cresol sulfate
Succinate
Succinic acid‐13C4
Urocanate
2′,4′‐Dihydroxyacetophenone
4‐Acetamidobutanoate
4‐Aminobutanoate (GABA)
5‐Hydroxymethyl‐2‐furaldehyde
5‐Oxo‐l‐proline/pyroglutamic acid
α‐Aminoadipate/N‐methyl‐l‐glutamate
Choline
Diethanolamine
Guanidinoacetate
Kynurenic acid
l‐Glutamine
l‐Proline
l‐Valine/5‐aminopentanoate/l‐norvaline
Methionine sulfoxide
N‐acetyl‐l‐aspartic acid
N‐α‐acetyl‐l‐Lysine
Noradrenaline
Phenethylamine
Proprionyl‐l‐carnitine
Stachydrine
Succinate
Triethyl phosphate
Urocanate