BPI	Base peak intensity
CYN	Changyanning tables
DAI	Disease activity index
DSS	Dextran sulfate sodium
ELISA	Enzyme-linked immunosorbent assay
ESI	Electrospray ionization
H&E	Hematoxylin and eosin stain
IL-6	Interleukin-6
IL-1β	Interleukin-1β
MPO	Myeloperoxidase
NO	Nitric oxide
OPLS-DA	Orthogonal projections to latent structures discriminant analysis
PC	Phosphatidyl-choline
PCA	Principle component analysis
PE	Phosphatidylethanolamine
PI	Peak intensities
PTS	Protopanaxatriol saponins
PTS-H	High-dosage PTS
PTS-L	Low-dosage PTS
PTS-M	Middle-dosage PTS
PBS	Phosphate-buffered saline
QC	Quality control
QTOF-MS	Quadrupole time-of-flight mass spectrometry
RSD	Relative standard deviation
RT	Retention time
SD	Standard deviation
TNF-α	Tumor necrosis factor-α
TNBS	2,4,6-Trinitro-Benzenesulfonic acid
UC	Ulcerative colitis
UPLC	Ultra-high-performance liquid chromatography
VIP	Variable importance in the projection