AD	Alzheimer’s disease
AMPK	5’ adenosine monophosphate-activated protein kinase
APP	amyloid precursor protein
b.w.	body weight
C	(+)-catechin
CNS	central nervous system
ECG	epicatechin-3-gallate
EDRF	endothelium-derived relaxing factor
EGC	epigallocatechin
EGCG	(-)-epigallocatechin-3-gallate
G6Pase	glucose-6-phosphatase
GC	(-)-gallocatechin
GCG	(-)-gallocatechin gallate
GK	glucokinase
GLUT 2 and 4	glucose transporters type 2 and 4
HMG-CoA	3-hydroxy-3-methylglutaryl-coenzyme
IRS-1	insulin receptor substrate 1
MPO	myeloperoxidase
MPTP	N-methyl-4-phenyl-1,2,3,6-tetrahydropyridine
NO	nitric oxide
N-Sase	neutral sphingomyelin-specific phospholipase C
6-OHDA	6-hydroxyydopamine
PD	Parkinson’s disease
PEPCK	Phosphoenolpyruvate carboxykinase
PI3K	phosphoinositide-3-kinase
PKC	protein kinase C
PPARγ	peroxisome proliferator-associated receptor
RCTs	randomized controlled trials
ROS	reactive oxygen species
sAPP	soluble form of APP
SGLT 1	sodium-glucose co-transporter type 1
SOD	SuperOxide Dismutase
STZ	streptozocin
TAGs	Triglycerides
TBARS	thiobarbituric acid reactive substances
TF	theaflavin
TFs	theaflavins
TRs	thearubigins