Alzheimer disease (AD);

Presenilin1 (PS1);

Presenilin 2 (PS2);

Amyloid Precursor Protein (APP);

Apolipoprotein E (ApoE);

Amyloid beta peptide (Aβ);

Intraneuronal Neurofibrillary Tangles (NFTs);

Central Nervous System (CNS);

malondialdehyde (MDA);

4-hydroxynonenal (4-HNE);

Mild Cognitive Impairment (MCI);

Reactive Oxygen Species (ROS);

Carbonyl formation 3-nitrotyrosine (3-NT);

superoxide dismutase (SOD);

red blood cells (RBC);

Reactive Nitrogen Species (RNS);

AMP Activated Protein Kinase (AMPK);

Glycogen Synthase Kinase 3 beta (GSK3β);

cyclin-dependent kinase 5 (cdk5);

Protein Phosphatase 2A (PP2A);

nitric oxide synthase (NOS);

Peroxisome proliferator-activated receptor-γ coactivator (PGC-1α);

glutathione (GSH);

catalase (CAT);

glutathione peroxidase (GPx);

Acetylcholinesterase (AchE);

Butyrylcholinesterase (BchE);

Acetylcholine (ACh);

nuclear factor-kB (NF-kB);

tumor necrosis factor-α (TNF-α);

interleukin (IL);

sirtuin 1 (SIRT1);

inducible nitric oxide synthase (iNOS);

cyclooxygenase 2 (COX-2);

glutathione reductase (GR);

hydrogen peroxide (H2O2);

Epigallocatechin-3-gallate (EGCG),

blood–brain barrier (BBB).