IBD	Inflammatory bowel disease
ROS	Reactive oxygen species
RNS	Reactive nitrogen species
IL-1β	Interleukin-1β
IL-6	Interleukin-6
IL-10	Interleukin-10
TNF-α	Tumor necrosis factor-alpha
SOD	Superoxide dismutase
CS	Crayfish shell
IEC-6	Cell intestinal epithelial cell
LPS	Lipopolysaccharide
DSS	Dextran sulfate sodium
CAT	Catalase
MPO	Myeloperoxidase
NO	Nitric oxide
CCK-8	Cell counting kit-8
PCSP	Papain-derived crayfish shell protein hydrolysate
ACSP	Alkaline-protease-derived crayfish shell protein hydrolysate
NCSP	Neutral-protease-derived crayfish shell protein hydrolysate
TCSP	Trypsin-derived crayfish shell protein hydrolysate
PECSP	Pepsin-derived crayfish shell protein hydrolysate
DAI	Disease activity index
H&E	Hematoxylin and eosin staining
AB-PAS	Alcian Blue staining and periodic acid Schiff staining
iNOS	Inducible NO synthase gene
TJ	Tight junction proteins