Aβ	Amyloid-β
AD	Alzheimer’s disease
LSF	Lychee seed fraction
pre-HPLC	Preparation of high performance liquid chromatography
NMR	Nuclear magnetic resonance
TNF-α	Tumor necrosis factor-α
IL-1β	Interleukin-1β
IL-6	Interleukin-6
NF-κB	Nuclear factor-κB
ELISA	Enzyme linked immunosorbent assay
RT-PCR	Real time-PCR
SPs	Senile plaques
NFTs	Neurofibrillary tangles
CNS	Central nervous system
PD	Parkinson’s disease
HD	Huntington’s disease
NO	Nitric oxide
ROS	Reactive oxygen species
TCMs	Traditional Chinese medicines
T2DM	Type 2 diabetes mellitus
COX-2	Cyclooxygenase 2
iNOS	Inducible nitric oxide synthase
IκBα	NF-κB inhibitor α
PARP	Poly ADP-ribose polymerase
IR	Insulin resistance
EGCG	Epigallocatechin gallate
IKK	IκB kinase
BBB	Blood–brain barrier