| 6-OHDA | 6-hydroxydopamine |
| Aβ | beta-amyloid |
| ABC | ATP-binding cassette |
| AD | Alzheimer’s disease |
| ADHD | attention deficit hyperactivity disorder |
| AlCl3 | aluminium chloride |
| ALM | amyotrophic lateral sclerosis |
| α-M | α-mangostin |
| APP | amyloid precursor protein |
| APP/PS1 | double transgenic mice expressing a chimeric mouse/human amyloid precursor protein and a mutant human presenilin 1 |
| AUC | the area under the plasma concentration time curve |
| AVLT | auditory verbal learning test |
| AWR | abdominal withdrawal reflex |
| BAX | Bcl-2-associated X protein |
| BBB | blood-brain barrier |
| BCRP | breast cancer resistance protein |
| BCL2 | B-cell lymphoma 2 |
| BDNF | brain-derived neurotrophic factor |
| bEnd.3 | brain endothelium cell line, cells isolated from brain tissue derived from a mouse with endothelioma |
| BMI | body mass index |
| CA | caffeic acid |
| CANTAB | the Cambridge neuropsychological test automated battery |
| CAT | catalase |
| CACS | chronic acute combining stress |
| CF | cocoa flavanol |
| CNS | central nervous system |
| CREB | cAMP response element-binding protein |
| CSF | cerebrospinal fluid |
| C-SLNs | curcumin-loaded solid lipid nanoparticles |
| DND | delayed neuronal cell death |
| EGCG | epigallocatechin-3-gallate |
| ERK ½ | extracellular signal-regulated kinase ½ |
| ETC | electron-transported chain |
| FDA | the Food and Drug Administration |
| GMO | glyceryl monooleate |
| GPX1 | glutathione peroxidase 1 |
| 3GRES | 3-O-glucuronidated-resveratrol |
| 4GRES | 4-O-glucuronidated-resveratrol |
| GSH | glutathione |
| HD | Huntington’s disease |
| HPLC-MS2 | High-performance liquid chromatography-tandem mass spectrometry |
| 5-HT | 5-hydroxytryptamine |
| 6-OHDA | 6-hydroxydopamine |
| IBS | irritable bowel syndrome |
| ITM | intestinal tract motility |
| JNK | c-Jun N-terminal kinase |
| LPS | lipopolysaccharide |
| LSP | lychee seed polyphenols |
| MANT | modified attention network task |
| MAO | monoamine oxidase |
| MCAO | middle cerebral artery occlusion |
| MCP-1 | monocyte chemoattractant protein-1 |
| MMSE | mini-mental state examination |
| MRP2 | multidrug-resistant protein type 2 |
| MWM | Moris water maze |
| NADPH | nicotinamide adenine dinucleotide phosphate |
| NanoCurc | nanoparticle-encapsulated curcumin |
| NFkB | nuclear factor kappa-light chain enhancer of activated B cells |
| NSC | neural stem cells |
| NO | nitric oxide |
| OX26 | antitransferrin receptor antibody |
| PACA | poly (alkyl cyanoacrylate) |
| PAL | paired associate learning |
| PD | Parkinson’s disease |
| PEGB | polyphenol-rich grape and blueberry extract |
| PGA | poly (glycolic acid) |
| P-gp | P-glycoprotein |
| PLA | poly (lactic acid) |
| PLGA | poly (D, L-lactide-co-glycolic acid) |
| PLGA@QT | PLGA-functionalized quercetin nanoparticles |
| PSA | polysaccharide A |
| QNPs | quercetin nanoparticles |
| QT-SPIONs | quercetin-conjugated superparamagnetic iron oxide nanoparticles |
| RAWM | radial arm water maze |
| RCTs | randomized control trials |
| ROS | reactive oxygen species |
| SCFA | short-chain fatty acids |
| SH-SY5Y | a thrice-subcloned cell line derived from the SK-N-SH neuroblastoma cell line. It serves as a model for neurodegenerative disorders |
| SIRT1 | Sirtuin 1 |
| SK-N-SH | neuroblastoma cell line |
| SLNs | solid lipid nanoparticles |
| SOD1 | superoxide dismutase 1 |
| SRES | 3-sulfated-resveratrol |
| Tet-1 | ten-eleven translocation methylcytosine dioxygenase 1 |
| Tf(α-M) | α-M liposomes modified with transferrin |
| TfR | transferrin receptor |
| TLR4/NFkB | toll-like receptor 4/nuclear factor kappa B |
| TNF-alpha | tumor necrosis factor–alpha |
| TOWRE-2 | Test of Word Reading Efficiency—second edition |
| WBB | flavonoid rich wild blueberry |