BSA	Bovine serum albumin
COX-2	Cyclooxygenase-2
DW	Distilled water
E. coli	Escherichia coli
ELISA	Enzyme-linked immunosorbent assay
EPS	Exopolysaccharide
FPLC	Fast protein liquid chromatography
FTIR	Fourier-transform infrared spectroscopy
GPC	Gel permeation chromatography
HO-1	Heme oxygenase-1
HoPS	Homopolysaccharide
IF	Immunofluorescence
IL-1β	Interleukin-1β
IL-6	Interleukin-6
iNOS	Inducible nitric oxide synthase
L. plantarum	Lactobacillus plantarum
LAB	Lactic acid bacteria
LPS	Lipopolysaccharide
MAPK	Mitogen-activated protein kinase
MCP-1	Monocyte chemoattractant protein-1
MDD	Major depression disorder
MyD88	Myeloid differentiation factor
NF-κB	Nuclear factor kappa-light-chain-enhancer of activated B cells
NO	Nitric oxide
NRF2	Nuclear factor E2-related factor 2
PBS	Phosphate-buffered saline
PDI	Polydispersity index
ROS	Reactive oxygen species
RT	Room temperature
SD	Standard deviation
TLC	Thin layer chromatography
TLR4	Toll-like receptor 4
TNF-α	Tumor necrosis factor-α
TRIF	TIR-domain-containing adapter-inducing interferon-β