| Acm | lysozyme |
| ANOVA | analysis of variance |
| AnsB | asparaginase |
| ATP | adenosine triphosphate |
| BSH | bile salt hydrolase |
| CelA | cellobiose-specific PTS sugar transporter |
| COG | Cluster of Orthologous Groups |
| FlgJ | N-acetylmuramoyl-L-alanine amidase |
| GapA | glyceraldehyde-3-phosphate dehydrogenase |
| GI | Gastrointestinal tract |
| GRAS | Generally Regarded As Safe |
| HESI | heated electrospray ionization |
| LFQ | label-free quantification |
| LtgG | lytic transglycosylase |
| Mdh | L-lactate dehydrogenase |
| MS | mass spectrometry |
| Pgk | phosphoglycerate kinase |
| PotE | glutamate:gamma-aminobutyrate antiporter |
| PTS | phosphotransferase system |
| Pyr | pyridoxamine 5′-phosphate oxidase |
| RplL | 50S ribosomal protein L7/L12 |
| SPapf | surface protein/aggregation promoting factor |
| Spr | hydrolase |
| TpiA | triosephosphate isomerase |
| UHPLC | ultra-high-performance liquid chromatography |