Improvement of Learning and Memory Induced by Cordyceps Polypeptide Treatment and the Underlying Mechanism

Table 4

Effects of Cordyceps polypeptide on AChE, Na⁺-k⁺-ATPase, and eNOS activities and GABA and Glu contents in brain tissue of mice.

Group	AchE (ng/mL)	Na^+-k^+-ATP (ng/mL)	eNOS (U/mL)	GABA (ng/mL)	Glu (nmol/mL)
CON
M
L-CP
M-CP
H-CP
PC

versus blank control group, versus model group; CON: blank control group; M: model group; L-CP: low-dose CP group; M-PC: middle-dose CP group; H-CP: high-dose CP group; PC: positive control group.