BDNF	Brain-derived neurotrophic factor
CO	Cornus officinalis
CREB	cAMP response element-binding protein
ERK	Extracellular signal-regulated kinase
MC	MP and CO
MCI	Mild cognitive impairment
MP	Mentha piperita
NC	Negative control
PBS	Phosphate-buffered saline
PI	Propidium iodide
ROS	Reactive oxygen species