AUC	Area under the Curve
AUMC	Area under the mean concentration
CPCSEA	The committee for the purpose of control and supervision of experiments on animals
CYP	Cytochrome P450
EMA	European medicines agency
HQC	Highest concentration QC sample
IS	Internal standard
KRB	Kreb’s ringer buffer
LLOQ	Lower limit of quantification
LQC	Lowest concentration QC sample
MQC	Moderate concentration QC sample
MRT	Mean residence time
Papp	Apparent permeability constant
RE	Relative error
ROP	Retro-orbital venous plexus
RSD	Relative standard deviation
TPSA	Topological polar surface area
UHPLC	Ultra-performance liquid chromatography
USFDA	United States food and drug administration
USP	United States pharmacopeia
WSE	Withania somnifera extract