APS	Astragalus polysaccharides
GPS	Glycyrrhiza polysaccharides
CK	control group
AG	Astragalus polysaccharides and Glycyrrhiza polysaccharides supplementation group
T-AOC	total antioxidant capacity
T-SOD	total superoxide dismutase
GSH-Px	glutathione peroxidase
MDA	malondialdehyde
LC-MS	liquid chromatography–mass spectrometry
LC-MS/MS	liquid chromatography–tandem mass spectrometry
ESI	electrospray ionization
m/z	mass-to-charge ratio
QC	quality control
PCA	principal component analysis
PLS-DA	partial least squares discriminant analysis
VIP	variable importance in projection
FC	fold change
KEGG	Kyoto Encyclopedia of Genes and Genomes
ROC	receiver operating characteristic
AUC	area under the curve
SPSS	Statistical Package for the Social Sciences
SD	standard deviation